2024-03-28T22:38:41Zhttps://elib.belstu.by/oai/requestoai:elib.belstu.by:123456789/211032020-10-21T07:37:10Zcom_123456789_20520com_123456789_118col_123456789_20524
Revyako, M. M.
Kasperovich, O. M.
Khrol, E. Z.
Petrushenia, A. F.
2017-06-06T08:33:11Z
2017-06-06T08:33:11Z
2015
Research of charactristics of polymeric heat-shrinkable sleeves / M. M. Revyako [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 8-11
https://elib.belstu.by/handle/123456789/21103
The results of testing of polymeric heat-shrinkable sleeves used for forming the fixed joints of pipe-lines are presented in the article. During the production sleeves of this type are exposed to radiation and orienting drawdown. It was determined the dependence of the performance characteristics of heat-shrinkable sleeves on the technological parameters of their production, in particular on the nature of the
used polymer material and the exposure degree after molding. Quality assessment of the obtained sleeves was assessed by such indicators as the degree of crosslinking of the material in the product, the degree of parison swell of products after conducting the orientation (drawing), and the force and pressure of compression of pipe-shells by sleeves. The mode to obtain sleeves with an excellent set of operational characteristics is determined in the work.
application/pdf
en
BSTU
термоусаживаемые муфты
сшивка муфт
давление усадки
давление обжатия
сшивка полиэтилена
полимерные материалы
Research of charactristics of polymeric heat-shrinkable sleeves
Article
ORIGINAL
Revyako.Research.pdf
Revyako.Research.pdf
application/pdf
214376
https://elib.belstu.by/bitstream/123456789/21103/1/Revyako.Research.pdf
2e57dad438258cf92057f050c8d31fb3
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21103/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Revyako.Research.pdf.txt
Revyako.Research.pdf.txt
Extracted text
text/plain
15373
https://elib.belstu.by/bitstream/123456789/21103/3/Revyako.Research.pdf.txt
e79426b497af685d4505b49ffca8f5b0
MD5
3
123456789/21103
oai:elib.belstu.by:123456789/21103
2020-10-21 10:37:10.438
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210792020-10-21T07:37:07Zcom_123456789_20520com_123456789_118col_123456789_20524
Grushova, E. I.
Karpenko, O. V.
Labkovich, O. V.
Al’-Razyki, A. A.
2017-06-05T11:30:30Z
2017-06-05T11:30:30Z
2015
Improvement of mineral oils and paraffin production technology / E. I. Grushova [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 95-97
https://elib.belstu.by/handle/123456789/21079
The influence of additives-modifiers (co-reactants) on the main stages of the technological process of base oils and paraffin manufacturing has been studied. Performance of the oil lube cuts selective treatment with N-methylpyrrolidone extractant can be improved by use of a co-extraction agent (ethyl alcohol, isopropyl alcohol). The refined oils obtained during the selective treatment are worthwhile to be dewaxed in the presence of ε-caprolactam modifier. The developed measures can significantly im-prove the quality of the wax concentrates due to deep extraction of unwanted components from oil frac-tions and increase the ratio of normal to branched hydrocarbons in gatches (slack waxes).
application/pdf
en
BSTU
минеральные масла
парафины
масляные фракции
очистка масел
депарафинизация рафинатов
модифицирующие добавки
Improvement of mineral oils and paraffin production technology
Article
ORIGINAL
Grushova.Improvement.pdf
Grushova.Improvement.pdf
application/pdf
173189
https://elib.belstu.by/bitstream/123456789/21079/1/Grushova.Improvement.pdf
81cefcc4a1bc8c461da1b9a45c86aba4
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21079/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Grushova.Improvement.pdf.txt
Grushova.Improvement.pdf.txt
Extracted text
text/plain
10443
https://elib.belstu.by/bitstream/123456789/21079/3/Grushova.Improvement.pdf.txt
bddc6f78f952affa09d37510ef18b76a
MD5
3
123456789/21079
oai:elib.belstu.by:123456789/21079
2020-10-21 10:37:07.923
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210732020-10-21T07:37:07Zcom_123456789_20520com_123456789_118col_123456789_20524
Kuhta, T. N.
Prokopchuk, N. R.
2017-06-05T10:58:41Z
2017-06-05T10:58:41Z
2015
Kuhta, T. N. Performance of coatings polyester powder paint / T. N. Kuhta, N. R. Prokopchuk // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P.
https://elib.belstu.by/handle/123456789/21073
The change of physical-mechanical properties of powder polyester paints under the influence of UV radiation was investigated. The regularity of changes in the properties of paints depends on the chemical structure of the pigment us ed. On the basis of results of the research powder polyester paints of different colors, highly resistant to weathering were developed.
application/pdf
en
BSTU
порошковые краски
полиэфирные краски
свойства красок
Performance of coatings polyester powder paint
Article
ORIGINAL
Kuhta.Performance.pdf
Kuhta.Performance.pdf
application/pdf
420618
https://elib.belstu.by/bitstream/123456789/21073/1/Kuhta.Performance.pdf
a5290027fbff14b462cc4b7efe2b4120
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21073/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Kuhta.Performance.pdf.txt
Kuhta.Performance.pdf.txt
Extracted text
text/plain
29767
https://elib.belstu.by/bitstream/123456789/21073/3/Kuhta.Performance.pdf.txt
841e209f0294dd78ba9fe12c28a1f5e8
MD5
3
123456789/21073
oai:elib.belstu.by:123456789/21073
2020-10-21 10:37:07.643
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210422020-10-21T07:37:08Zcom_123456789_20520com_123456789_118col_123456789_20524
Vladykina, D. S.
Lamotkin, S. A.
Kolnogorov, K. P.
Il’yina, G. N.
Basharova, A. O.
Kryvonosova, E. V.
2017-06-05T05:38:46Z
2017-06-05T05:38:46Z
2015
Elaboration of vegetable oils’ mixtures with a balanced fatty acid composition / D. S. Vladykina [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 168-172
https://elib.belstu.by/handle/123456789/21042
Optimized mixtures of vegetable oils to ensure a balanced composition of ω-3 and ω-6 acids were developed. The analysis of the raw material base for oil industry of the Republic of Belarus were done. Oils of nine species were chosen for investigation, 5 of which are the traditional raw material for the production of vegetable oils, and 4 are alternative sources, the use of which is possible as enriching components of mixtures of vegetable oils. Imbalance of fatty acid composition of almost all vegetable oils was shown, which proves the need for development of oils mixtures. Different mixtures of vegetable oils that provide the necessary health ratio of polyunsaturated fatty acid were calculated by the method of linear programming formulations. GLC defined co-responsible resulting compositions blends calculated values. It was found that the proposal-conjugated ble nds No. 1 and No. 2 can be rec-ommended for daily and preventive feeding of population as PUFA ratio is 10 : 1, which fully meets the needs of the human body in the essential fatty acids. Sa mples No. 3 and No. 4 content the co-ratio of 5 : 1 because flaxseed oil rich in ω-3 fatty acids, which is sufficient for a recomme ndation of the prod-uct as a therapeutic feeding. The proposed blends of vegetable oils, are fully compliant with technical regulations on quality and safety of these products. In addition, the proposed mixtures of vegetable oils are undoubtedly due to the economic feasibility of the maximum using of the domestic raw canola, flax and blueberries, which fully corresponds to the direction of impor t substitution in the Republic of Belarus.
application/pdf
en
BSTU
купажи растительных масел
полиненасыщенные жирные кислоты
жирнокислотный состав
растительные масла
газожидкостная хроматография
метод линейного программирования
купажированные масла
Elaboration of vegetable oils’ mixtures with a balanced fatty acid composition
Article
ORIGINAL
Vladykina.Elaboration.pdf
Vladykina.Elaboration.pdf
application/pdf
225826
https://elib.belstu.by/bitstream/123456789/21042/1/Vladykina.Elaboration.pdf
59784c03ed5a01d3b7f482678d39c7bd
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21042/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Vladykina.Elaboration.pdf.txt
Vladykina.Elaboration.pdf.txt
Extracted text
text/plain
20341
https://elib.belstu.by/bitstream/123456789/21042/3/Vladykina.Elaboration.pdf.txt
5d0c027b0eeca91afda7cae4fbabcc92
MD5
3
123456789/21042
oai:elib.belstu.by:123456789/21042
2020-10-21 10:37:08.55
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210872020-10-21T07:37:08Zcom_123456789_20520com_123456789_118col_123456789_20524
Zhuravleva, M. V.
Prokopchuk, N. R.
Zharskaya, T. A.
Grachek, V. I.
Krut’ko, E. T.
2017-06-05T12:33:50Z
2017-06-05T12:33:50Z
2015
Oligoaminoimidophenylene, effective modifier for melaminalkyd varnish / M. V. Zhuravleva [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 83-86
https://elib.belstu.by/handle/123456789/21087
The present article deals with the development and study of new coatings based on industrially produced melamine-alkyd varnish of improved performance characteristics. It describes the synthesis of a dis-oligomeric amineimido modifier which is soluble in ethyl cellosolve and polar aprotic solvent, various formulations of varnish composition being also investigated. The physical-mechanical properties of coatings prepared from the compositions involved have been analyzed. Due to the formation of additional network structure, the introduction of the proposed modifier allows to increase the hardness of coatings, their impact and water resistance, as well as to improve adhesion while maintaining coating elasticity. The composition developed contributes to a significant increase in th e life of the coating for automobiles, buses, trolley buses, agricultural and other machinery and steel structures.
application/pdf
en
BSTU
меламино-алкидные смолы
лакокрасочные покрытия
меламино-алкидные лаки
прочность покрытий
отверждение покрытий
лаковые композиции
Oligoaminoimidophenylene, effective modifier for melaminalkyd varnish
Article
ORIGINAL
Zhuravleva.Oligoaminoimidophenylene.pdf
Zhuravleva.Oligoaminoimidophenylene.pdf
application/pdf
202523
https://elib.belstu.by/bitstream/123456789/21087/1/Zhuravleva.Oligoaminoimidophenylene.pdf
816904c4804d4e410f972a805ea9c5da
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21087/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Zhuravleva.Oligoaminoimidophenylene.pdf.txt
Zhuravleva.Oligoaminoimidophenylene.pdf.txt
Extracted text
text/plain
17155
https://elib.belstu.by/bitstream/123456789/21087/3/Zhuravleva.Oligoaminoimidophenylene.pdf.txt
144314e6a319e2dc3e993b23d83e6834
MD5
3
123456789/21087
oai:elib.belstu.by:123456789/21087
2020-10-21 10:37:08.199
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210612020-10-21T07:37:07Zcom_123456789_20520com_123456789_118col_123456789_20524
Shcherbakova, T. O.
Chernaya, N. v.
Zholnerovich, N. V.
2017-06-05T09:07:53Z
2017-06-05T09:07:53Z
2015
Shcherbakova, T. O. The influence of paper mass composition on effectiveness of applying synthetic fillers / T. O. Shcherbakova, N. V. Chernaya, N. V. Zhlnerovich // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 132-136
https://elib.belstu.by/handle/123456789/21061
Efficiency of application of synthetic filler (barium sulfite, having an average particle size of 1.05–1.27 μ ) increases the management of structure of the sized filled pulp. Reducing the particle size from 1.0−5.0 to 1.05−1.27 μ increases the degree of filler retention in the paper structure and, therefore, increases the ash content of the paper and decreases twice the content of suspended solids in the water sub grid. It is possible to explain by the filling process in the geteroadagulation mode. The preferred pulp composition is set to obtain paper with high indices (ash content, brightness, absorbency at unilat-eral wetting, breaking length). The pulp should be obtained in the following manner. For maximum preservation of the mechanical strength of the fibers it is advisable to sequentially introduce into the fibrous pulp slurry barium hydroxide at defibering stage (dispersion process), and sodium sulfite at the grinding stage (the process of internal and external fibrillation). The components are taken in stoichio-metric ratio to obtain a finely divided filler in amount 10% a. d. s.; then aluminum sulfate (0.8% of the flow rate a. d. s.) is added and synthetic sizing agent based on dimers of alkyl ketenes AKD (0.4% of the flow rate a. d. s.), to provide absorbency index under one-sided wetting no more than 20 g/m{2}.
application/pdf
en
BSTU
бумажная масса
синтетические наполнители
сульфит бария
прочность бумаги
зольность бумаги
белизна бумаги
электролиты
сульфат алюминия
волокнистая суспензия
расход проклеивающего вещества
The influence of paper mass composition on effectiveness of applying synthetic fillers
Article
ORIGINAL
Shcherbakova.The influence.pdf
Shcherbakova.The influence.pdf
application/pdf
217929
https://elib.belstu.by/bitstream/123456789/21061/1/Shcherbakova.The%20influence.pdf
c710f36a4fea207dcb05b24dfb80d072
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21061/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Shcherbakova.The influence.pdf.txt
Shcherbakova.The influence.pdf.txt
Extracted text
text/plain
17463
https://elib.belstu.by/bitstream/123456789/21061/3/Shcherbakova.The%20influence.pdf.txt
c4b4d0ced22ece2b4d69c457284b13ca
MD5
3
123456789/21061
oai:elib.belstu.by:123456789/21061
2020-10-21 10:37:07.144
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/209822020-10-21T07:37:09Zcom_123456789_20520com_123456789_118col_123456789_20524
Buko, Z. V.
Likhacheva, A. V.
2017-06-02T08:25:27Z
2017-06-02T08:25:27Z
2015
Buko, Z. V. Study of sorption properties of non-hydrolyzed peat rest / Z. V. Buko, A. V. Likhacheva // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 187-190
https://elib.belstu.by/handle/123456789/20982
Results of research of sorption properties of non-hydrolyzed peat rest (NHR) of upland type in relation to heavy metal ions are presented in article. The structure and properties of non-hydrolyzed peat rest (ash-content, moisture-content, functional groups content, the concentration of fulvic acids in the liquid filtrate phase), the value of static exchange capacity for ions of iron, copper, nickel, bichromate ions were determined. It is shown that this sorbent is effective for extraction of cations and has a low degree of extraction for anions of heavy metals. To increase the activity of the sorbent the preliminary processing of non-hydrolyzed peat rest by hydrogen peroxide, surfactants and/or ultrasound, and also their joint processing were carried out. When conducting research, it was found that the sorption properties of NHR in relation to heavy metal ions depend on conditions of the sorption process, the contents of functional groups (carboxyl groups and phenolic hydroxyls), as well as the nature of ion. The received results showed that processing of non-hydrolyzed rest of peat has a significant influence on the static exchange capacity value of on ions of copper and nickel, and insignificant one on iron and bichromate ions.
application/pdf
en
BSTU
негидролизуемый остаток торфа
сорбенты
торф верховой
сульфокислоты
фенольные гидроксилы
карбоксильные гидроксилы
сорбционные свойства
Study of sorption properties of non-hydrolyzed peat rest
Article
ORIGINAL
Buko.Study.pdf
Buko.Study.pdf
application/pdf
228861
https://elib.belstu.by/bitstream/123456789/20982/1/Buko.Study.pdf
f637ca0c40832a0182a1a97739708195
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/20982/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Buko.Study.pdf.txt
Buko.Study.pdf.txt
Extracted text
text/plain
17888
https://elib.belstu.by/bitstream/123456789/20982/3/Buko.Study.pdf.txt
d5736cd614bfa9664c5dfc59c84b510e
MD5
3
123456789/20982
oai:elib.belstu.by:123456789/20982
2020-10-21 10:37:09.053
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/210992020-10-21T07:37:09Zcom_123456789_20520com_123456789_118col_123456789_20524
Dolinskaya, R
Prokopchuk, N. R.
Korovina, Yu. V.
2017-06-06T07:41:58Z
2017-06-06T07:41:58Z
2015
Dolinskaya, R. M. Modification of synthetic rubbers to improve the elastic and strength properties of the elastomeric compositions / R. M. Dolinskaya, N. R. Prokopchuk, Yu. V. Korovina // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 24-29
https://elib.belstu.by/handle/123456789/21099
The effect of carbon black P803 different manufacturers on the complex properties of rubber for the manufacture of molded rubber products. Pick up objects and methods. As objects of study chosen rubber mixture based on a combination of rubber SKI-3 and SKD, and rubber compounds based on natural rubber. Found that the use of carbon black P803 from different manufacturers have different effects on the viscosity index, resistance to aging under static compressive strain on the kinetics of vulcanization of rubber mixtures in which it was determined that the most extensive period of induction are rubber compounds using carbon black products P803 JSC “Tuymazytechcarbon” and rubber mixture with its addition have low curing rate due to a low pH aqueous suspensions. The studies show that the carbon black producer JSC “Ivanovo techcarbon and rubber” having a high pH value of an aqueous suspension, the rate of vulcanization of the rubber composition is quite high, as well as an increase in pH increases the activity of the carbon black at the time of mixing and causes premature vulcanization of rubber mixtures. The results obtained allowed to propose a rubber composition based on a combination of rubber SKI-3 and SKD with the addition of carbon black P803 producer of JSC “Tuymazytechcarbon” for the production of shock absorbers, which can be manufactured by JSC “Belarus’rezinotekhnika” without changing the production scheme of molded rubber products.
application/pdf
en
BSTU
синтетические каучуки
эластомерные композиции
резиновые смеси
технический углерод
Modification of synthetic rubbers to improve the elastic and strength properties of the elastomeric compositions
Article
ORIGINAL
Dolinskaya.Modification.pdf
Dolinskaya.Modification.pdf
application/pdf
414807
https://elib.belstu.by/bitstream/123456789/21099/1/Dolinskaya.Modification.pdf
439f24fd75c741c9664f075b3cf13aa1
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21099/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Dolinskaya.Modification.pdf.txt
Dolinskaya.Modification.pdf.txt
Extracted text
text/plain
20691
https://elib.belstu.by/bitstream/123456789/21099/3/Dolinskaya.Modification.pdf.txt
eb8b1d7e46b81c5e86cc5d39217342c4
MD5
3
123456789/21099
oai:elib.belstu.by:123456789/21099
2020-10-21 10:37:09.898
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/210542020-10-21T07:37:06Zcom_123456789_20520com_123456789_118col_123456789_20524
Shachek, T. M.
Ivashko, D. E.
Yegorova, Z. E.
2017-06-05T07:54:50Z
2017-06-05T07:54:50Z
2015
Chemical and technological tests of beetroot in the development of technology of obtaining concentrated juice from it / T. M. Shachek, D. E. Ivashko, Z. E. Yegorova // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 150-154
https://elib.belstu.by/handle/123456789/21054
The criteria for choosing roots crops for processing beetroot into concentrated juice were defined. Researches on an assessment of chemical and techno logical characteristics of the roots of various botanical crops zoned in the Republic of Belarus and their dynamics at various stages of production of the concentrated juice are conducted. The objects of research were the fresh and stored beetroot, semi-processed and experimental crops produced in laboratory and under industrial conditions. Experimental samples of the concentrated juice were received at the various mode s of technological processing of beetroot (temperature, duration, рН): peeling, grinding, pulp blanching, and juice evaporation. In the studied objects the dry solids and sugars weight ratio, acidity and betanin content were defined. Standard methods of the analysis and principles of traceability of measurements were used for investigation. Beetroot of botanical varietes Bordo and Cylindra was offered for industrial processing for concentrated juice. They contain more than 17.0% of dry solids, more than 0.1% acidity and more than 125 mg/100 g of a betanin, which correspond to the technological requirements to beetroot crops, which is used for canning. Stabe content of betanin in beetroot during its storage in standard conditions (0–1°C) till 6 months was established. Betanin loss in obtained concentrated juice range 35–69%.
application/pdf
en
BSTU
свекла столовая
сок свекольный
концентрированный сок
сорта свеклы
корнеплоды свеклы
Chemical and technological tests of beetroot in the development of technology of obtaining concentrated juice from it
Article
ORIGINAL
Shachek.Chemical.pdf
Shachek.Chemical.pdf
application/pdf
227877
https://elib.belstu.by/bitstream/123456789/21054/1/Shachek.Chemical.pdf
5b7c11660fd460b32dd467f593ef1d4a
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21054/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Shachek.Chemical.pdf.txt
Shachek.Chemical.pdf.txt
Extracted text
text/plain
19827
https://elib.belstu.by/bitstream/123456789/21054/3/Shachek.Chemical.pdf.txt
5f19bad99fec47ef06aec44d72aab19c
MD5
3
123456789/21054
oai:elib.belstu.by:123456789/21054
2020-10-21 10:37:06.603
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210882020-10-21T07:37:10Zcom_123456789_20520com_123456789_118col_123456789_20524
Shishakov, E. P.
Shpak, S. I.
Chubis, P. A.
Shevchuk, M. O.
2017-06-06T05:05:28Z
2017-06-06T05:05:28Z
2015
Fillers and catalysts effect on the physicochemical properties of urea-formaldehyde resins / E. P. Shishakov [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 77-82
https://elib.belstu.by/handle/123456789/21088
In the present research the effect of different f illers on the composition of urea-formaldehyde resins (UFR) was studied. The usage of fillers in the composition of urea-formaldehyde resins makes it possible to reduce the resin consumption by 10–20%. Aluminum silicate type of fillers cannot be used conveniently in plywood technology because resin partic les initially agglomerate; then their swelling and hydration lead to the significant visc osity growth of the adhesive especially at a filler consumption rate more than 8% by weight of the resin. Sulfate and carbonate types of fillers can be used more preferable because in this case there are no agglomeration of resin particles and no quick solidification of adhesive composition. Viscosity of the adhesive composition decreases vice-versa with th e adding of silicate type filler into the urea-formaldehyde resin. Combining of different fillers types allows controlling the rheological properties of the adhesive composition. Compounds containing ions of three-valence meta ls are effective catalysts of urea-formaldehyde resins. The usage of such catalysts in plywood technology leads to condensation time reduction of urea-formaldehyde resins at 1.8–2.3 times which opens up additional possibilities for application of low-emission resins with a low formaldehyde content. Gelatination time of adhesive compositions prepared using the new effective catalysts for the condensation process of urea-formaldehyde resins remains for 2–4 hours.
application/pdf
en
BSTU
карбамидоформальдегидные смолы
катализаторы отверждения
наполнители
клеевые композиции
вязкость клеев
Fillers and catalysts effect on the physicochemical properties of urea-formaldehyde resins
Article
ORIGINAL
Shishakov.Fillers.pdf
Shishakov.Fillers.pdf
application/pdf
226516
https://elib.belstu.by/bitstream/123456789/21088/1/Shishakov.Fillers.pdf
96b725f1ab2eb13404f0798fdcac9fd6
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21088/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Shishakov.Fillers.pdf.txt
Shishakov.Fillers.pdf.txt
Extracted text
text/plain
23114
https://elib.belstu.by/bitstream/123456789/21088/3/Shishakov.Fillers.pdf.txt
77273afff3f4ee883b4ed96760f1c325
MD5
3
123456789/21088
oai:elib.belstu.by:123456789/21088
2020-10-21 10:37:10.17
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/210682020-10-21T07:37:07Zcom_123456789_20520com_123456789_118col_123456789_20524
Timofeeva, E. K.
Pismenskiy, P. I.
Shkirando, T. P.
Solov’yeva, T. V.
2017-06-05T10:32:41Z
2017-06-05T10:32:41Z
2015
Research of influence of hardwood species composition on properties of thermomechanical pulp (TMP) and paper made from it / E. K. Timofeeva [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 126-128
https://elib.belstu.by/handle/123456789/21068
The paper studies the influence of widely zoned in Belarus hardwood birch, alder and aspen on the properties of thermomechanical pulp and paper made from it. Temperature of steaming intensifies the process of grinding chips of each tree species, mostly aspen wood. Bleaching with hydrogen peroxide helps to reduce energy consumption for grinding more than 15% and increase freeness of mass at 20%, besides bleaching can significantly improve the strength characteristics of paper. Aspen wood is the most significantly influenced.
application/pdf
en
BSTU
лиственные породы
древесина осины
древесина березы
древесина ольхи
термомеханическая масса
технология бумаги
Research of influence of hardwood species composition on properties of thermomechanical pulp (TMP) and paper made from it
Article
ORIGINAL
Timofeeva.Research.pdf
Timofeeva.Research.pdf
application/pdf
179203
https://elib.belstu.by/bitstream/123456789/21068/1/Timofeeva.Research.pdf
866403fe3b79b6819833af1b272a244b
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21068/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Timofeeva.Research.pdf.txt
Timofeeva.Research.pdf.txt
Extracted text
text/plain
10932
https://elib.belstu.by/bitstream/123456789/21068/3/Timofeeva.Research.pdf.txt
cb64e21384a209e44c864c2cd10bfaab
MD5
3
123456789/21068
oai:elib.belstu.by:123456789/21068
2020-10-21 10:37:07.344
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210482020-10-21T07:37:10Zcom_123456789_20520com_123456789_118col_123456789_20524
Yakimovich, L. V.
Markevich, R. M.
Svistunova, L. V.
2017-06-05T06:54:39Z
2017-06-05T06:54:39Z
2015
Yakimovich, L. V. Production of test products from the bioprocessed ceramic masses under production conditions of JSC “Belkhudozhkeramika” / L. V. Yakimovich, R. M. Markevich, L. V. Svistunova // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 160-163
https://elib.belstu.by/handle/123456789/21048
The production expediency of bacteria Bacillus amyloliquefaciens G, isolated from clay from Belarusian deposit Gaidukovka for improvement of properties of raw materials was shown under production conditions of JSC “Belkhudozhkeramika”. Preparations for processing of raw clay materials were obtained by cultivation of bacteria B. amyloliquefaciens G in different nutrient media. Processing of a forming slurry was car-ried out during 72 h at a temperature 28–30 °С, pottery mass was kept for 5 days at a temperature 23–25° С. Further, the technological process of production of pottery corresponded to production regulations. The viscosity and coefficient of solidification of a ceramic slurry decreased as a result of bacterial processing, crock set duration significantly reduced. Air linear shrinkage of samples after burning did not exceed 5%. The processing conditions leading to the most essential decreas e of water absorption of samples are established, that is the evidence of in crease of their mechanical strength, are established. Electron microscopic images of chipped surfaces of test samples are character ized by higher firmness and uniformity in comparison with an industrial sample. The maxi mum dense surface is formed and porosity of products decrease s at the repeated molding. Positive impact on maturing of clays, processed by cultural liquid of bacteria B. amyloliguefaciens G, on plastic properties of pottery masses was first shown.
application/pdf
en
BSTU
бактериальные препараты
микробиологическая обработка
глина
изготовление керамических изделий
керамические массы
формовочный шликер
Production of test products from the bioprocessed ceramic masses under production conditions of JSC “Belkhudozhkeramika”
Article
ORIGINAL
Yakimovich.Production.pdf
Yakimovich.Production.pdf
application/pdf
414830
https://elib.belstu.by/bitstream/123456789/21048/1/Yakimovich.Production.pdf
d0617861d25abf3057eb176ac53445ad
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21048/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Yakimovich.Production.pdf.txt
Yakimovich.Production.pdf.txt
Extracted text
text/plain
15845
https://elib.belstu.by/bitstream/123456789/21048/3/Yakimovich.Production.pdf.txt
c8e9ebeea2c611172409bfd6a126c0f6
MD5
3
123456789/21048
oai:elib.belstu.by:123456789/21048
2020-10-21 10:37:10.296
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210922020-10-21T07:37:09Zcom_123456789_20520com_123456789_118col_123456789_20524
Karpovich, O. I.
Revyako, M. M.
Khrol, E. Z.
Dubina, A. V.
2017-06-06T05:44:09Z
2017-06-06T05:44:09Z
2015
Composition and structure polymer waste JSC “Beltsvetmet” / O. I. Karpovich [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 59-61
https://elib.belstu.by/handle/123456789/21092
Composition and structure parameters of polymer waste generated in corporation “Beltsvetmet” resulting from the processing of automotive batteries were determined. It has been established that the waste characterized by considerable heterogeneity in composition and size. Data were obtained on the number and weight of components that are part of the waste. To identify the components have been used by IR spectroscopy and differential scanning calorimetry. On the basis of the mass of components has been found possible use for the manufacture of composite waste material as a binder and a filler. Was determined by grading the waste before and after grinding mill for milling. Were determined bulk density and moisture content of the crushed waste. Was shown the need for grinding and drying before processing waste into products.
application/pdf
en
BSTU
полимерсодержащие отходы
гранулометрический состав отходов
компонентный состав отходов
переработка отходов
Composition and structure polymer waste JSC “Beltsvetmet”
Article
ORIGINAL
Karpovich.Composition.pdf
Karpovich.Composition.pdf
application/pdf
220183
https://elib.belstu.by/bitstream/123456789/21092/1/Karpovich.Composition.pdf
6f76479ad5eede359035807ee3c06eb3
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21092/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Karpovich.Composition.pdf.txt
Karpovich.Composition.pdf.txt
Extracted text
text/plain
13437
https://elib.belstu.by/bitstream/123456789/21092/3/Karpovich.Composition.pdf.txt
8b309ee5e6fc68ebe6836381363ce277
MD5
3
123456789/21092
oai:elib.belstu.by:123456789/21092
2020-10-21 10:37:09.359
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/209802020-10-21T07:37:08Zcom_123456789_20520com_123456789_118col_123456789_20524
Ignatovets, O. S.
Leontiev, V. N.
Martsul, A. V.
Akhramovich, T. I.
2017-06-02T08:09:36Z
2017-06-02T08:09:36Z
2015
Ignatovets, O. S. The ways to increase the efficiency of degradation of pesticides of sulphonylurea group by microorganisms-destructors / O. S. Ignatovets [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 191-195
https://elib.belstu.by/handle/123456789/20980
The most important component of destruction of herbicides in soil is their degradation by soil microbiota, which occurs due to the capability of microorganisms to adapt their enzymatic systems to specific substrates and to transform them. Bioaugmentation is one of the most ecological and economical methods of remediation of natural objects. However, the use of this way provides the need to receive a comprehensive information about migration, cumulation and transformations of pesticides in the environment (about dynamics) and also about factors, which increase the efficiency of focused application of bacteria-destructors (immobilization, introduction of additional substrates). This research is focused on the study of the influence of different factors on the efficiency of degradation of pesticides of sulphonylurea group in soil. The results show that intensification of process of degradation of remaining amounts of tribenuron-methyl and metsulfuron-methyl in soil and liquid medium can be achieved by the exposure of bacteria-destructors to optimal conditions during cultivation as well as by the use of immobilized cells of microorganisms.
application/pdf
en
BSTU
пестициды
бактерии-деструкторы
почвенные бактерии
метсульфурон-метил
трибенурон-метил
деградация пестицидов
культивирование бактерий
The ways to increase the efficiency of degradation of pesticides of sulphonylurea group by microorganisms-destructors
Article
ORIGINAL
Ignatovets.The ways.pdf
Ignatovets.The ways.pdf
application/pdf
213520
https://elib.belstu.by/bitstream/123456789/20980/1/Ignatovets.The%20ways.pdf
478e9ca25974748a81355d78662a4e3e
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/20980/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Ignatovets.The ways.pdf.txt
Ignatovets.The ways.pdf.txt
Extracted text
text/plain
18023
https://elib.belstu.by/bitstream/123456789/20980/3/Ignatovets.The%20ways.pdf.txt
05c040ba1a0ac84123b28c4efa3ac26b
MD5
3
123456789/20980
oai:elib.belstu.by:123456789/20980
2020-10-21 10:37:08.972
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/209772020-10-21T07:37:08Zcom_123456789_20520com_123456789_118col_123456789_20524
Sapon, E. G.
Martsul', V. N.
2017-06-02T07:42:30Z
2017-06-02T07:42:30Z
2015
Sapon, E. G. Phosphorus release from excess activated sludge to sludge liquide under aerobic and anaerobic sludge stabilization / E. G. Sapon, V. N. Martsul' // Proceedings of BSTU. No.4. – Minsk : BSTU, 2015. – P. 200-205
https://elib.belstu.by/handle/123456789/20977
A limited number of known reserves of phosphorus and avoiding eutrophication of water bodies are the driving forces to search and study ways to extract phosphorus from wastewater and sludge treatment plants. It is shown that the phosphorus of excess activate d sludge can release into sludge water during sludge treatment. This water is returned to the head of wastewater treatment plant, thereby increasing the phospho-rus load to the biological treatment system. The aim of this study was to establish patterns of phosphorus transition in sludge water under diff erent condition of activated sludge stabilization. The object of the study was the suspension of thickened activated sludge from Minsk treatment plant (MTP). The modeling process treatment of excess active sludge was carried out in laboratory settings of volume 2.5–6.0 dm{3}. There were established the dependences of phosphorus content and pH value during prolonged thickening of aerobic and anaerobic stabilization. It is shown that the most insensitive phosphorus release from excess active sludge to supernatant takes plac e under anaerobic treatment during first three days. Under these conditions the concentration of phosphorus in sludge water increased up to 300 mg P/dm{3}. During prolonged anaerobic treatment the release of phosphorus depends on hydrodynamic conditions. Up to 80% of the total phosphorus content in the excess activated sludge is released without stirring. Under aerobic conditions, the yield of phosphorus in the sludge water is determined by the air flow rate and processing time and can be up to 387 mg P/dm{3}.
application/pdf
en
BSTU
избыточный активный ил
аэробная стабилизация
анаэробная стабилизация
иловая вода
фосфаты
очистка сточных вод
иловая суспензия
концентрация фосфатов
биологическая дефосфотация
Phosphorus release from excess activated sludge to sludge liquide under aerobic and anaerobic sludge stabilization
Article
ORIGINAL
Sapon.Phosphorus.pdf
Sapon.Phosphorus.pdf
application/pdf
329421
https://elib.belstu.by/bitstream/123456789/20977/1/Sapon.Phosphorus.pdf
5f9ff068ae242219db02408eae4d64cc
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/20977/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Sapon.Phosphorus.pdf.txt
Sapon.Phosphorus.pdf.txt
Extracted text
text/plain
21697
https://elib.belstu.by/bitstream/123456789/20977/3/Sapon.Phosphorus.pdf.txt
2d3cd1e83663fb88106e4aed83092a07
MD5
3
123456789/20977
oai:elib.belstu.by:123456789/20977
2020-10-21 10:37:08.81
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210392020-10-21T07:37:08Zcom_123456789_20520com_123456789_118col_123456789_20524
Elhedmi, A. E.
Elkaib, H. M.
Leontiev, V. N.
2017-06-05T05:16:41Z
2017-06-05T05:16:41Z
2015
Elhedmi, A. E. Characteristics of bacteria of the genus pseudomonas, isolated from foods / A. E. Elhedmi, H. M. Elkaib, V. N. Leontiev // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 177-179
https://elib.belstu.by/handle/123456789/21039
Twenty two strains of bacteria of the genus Pseudomonas were isolated from contaminated food (milk, meat, poultry and fish). Their morphological and physiology-biochemical characteristics which allowed to identify nine strains are studied. Six strains are members of P. fluorescens, and three strains – P. aeruginosa. The isolated bacteria identification tests were based on such properties as their dependence on mo-lecular oxygen, ability to form specific pigments, catalase activity, ability to grow at different temperatures, nitrates and nitrites reduction, hydrolysis of starch, as well as morphology of cells. The result of this investigation was the creation of collection of bacteria P. fluorescens and P. aeruginosa which would be the base for study and design of food-protection agents from spoilage.
application/pdf
en
BSTU
пищевые продукты
микробиологическая порча
штаммы бактерий
белоксодержащие продукты
псевдомонады
Characteristics of bacteria of the genus pseudomonas, isolated from foods
Article
ORIGINAL
Elhedmi.Characteristics.pdf
Elhedmi.Characteristics.pdf
application/pdf
196119
https://elib.belstu.by/bitstream/123456789/21039/1/Elhedmi.Characteristics.pdf
df35090a6fabdc8364859141a0227ea6
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21039/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Elhedmi.Characteristics.pdf.txt
Elhedmi.Characteristics.pdf.txt
Extracted text
text/plain
11154
https://elib.belstu.by/bitstream/123456789/21039/3/Elhedmi.Characteristics.pdf.txt
f5ba108e238174e581210fb70aa2acc6
MD5
3
123456789/21039
oai:elib.belstu.by:123456789/21039
2020-10-21 10:37:08.377
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/210492020-10-21T07:37:10Zcom_123456789_20520com_123456789_118col_123456789_20524
Zilbergleit, M. A.
Shauchuk, M. A,
Shishakov, E. P.
Shpak, S. I.
Bezborodov, V. S.
2017-06-05T07:02:46Z
2017-06-05T07:02:46Z
2015
Rapid method for determining the composition of crude alcohol using diagrams composition – property / M. A. Zilbergleit [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 155-159
https://elib.belstu.by/handle/123456789/21049
The preparation of a raw alcohol in a beer still is a periodic process which is accompanied by a flood, the reflux-to-product ratio and speed of sampling changes, unexpected temperature jumps etc. As the result, at formal conformity with the sampling temperature, the main product is polluted by fusel oils. The degree of pollution by fusel oils is above the requirements needed for further treatment which in turn requires an ad-ditional rectification. For this reason the process of periodic rectification needs continuous express control. The rapid method of the determination of the com position of crude alcohol using diagrams composition-properties was developed. There fractive index, the density and su rface tension were chosen as the physical properties characterizing the mixture. The re fractive index was measured on a digital portable refractometer PAL-RI made by the company ATAGO (Japan), the density was measured using a pick-nometer, the surface tension was measured at stallagometеr with a falling drop method. Experimental plan was realized on a simplex la ttice. The third-degree polynomial was used as a model. All calculations were made using the “Simplex” program. The adequate mathematical models (diagrams) were made which allowed us to determine the composition of crude alcohol using only three physical con-stants: density, refractive index, surface tension. Validity check of the model has shown that the error of the results does not exceed 3% rel. (ethanol concen tration) and 7% rel. (fusel oil concentration).
application/pdf
en
BSTU
спирт-сырец
этиловый спирт
поверхностное натяжение
показатель преломления
плотность
сивушное масло
Rapid method for determining the composition of crude alcohol using diagrams composition – property
Article
ORIGINAL
Zilbergleit.Rapid.pdf
Zilbergleit.Rapid.pdf
application/pdf
271964
https://elib.belstu.by/bitstream/123456789/21049/1/Zilbergleit.Rapid.pdf
84622a6fb3bfb3d754e4db3f51ca35e2
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21049/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Zilbergleit.Rapid.pdf.txt
Zilbergleit.Rapid.pdf.txt
Extracted text
text/plain
19608
https://elib.belstu.by/bitstream/123456789/21049/3/Zilbergleit.Rapid.pdf.txt
383257b4ab860cffc5c4707e2f201a98
MD5
3
123456789/21049
oai:elib.belstu.by:123456789/21049
2020-10-21 10:37:10.366
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210552020-10-21T07:37:06Zcom_123456789_20520com_123456789_118col_123456789_20524
Nikitenko, A. N.
Domash, V. I.
Sheyko, A. Ch.
2017-06-05T08:15:12Z
2017-06-05T08:15:12Z
2015
Nikitenko, A. N. Research of amino acid composition of protein of сеreal and grain legume crops of Belarusian selection / A. N. Nikitenko, V. I. Djmash, A. Ch. Sheyko // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 146-159
https://elib.belstu.by/handle/123456789/21055
In the article presents the results of studies of protein content and amino acid composition of grains and grain legume crops, cultivated on the territory of the Republic of Belarus. The objects of study were yellow lupine varieties Academichesky, BSHA-382, Bistrorastuschy 4, Kastrychnik, Narochansky, blue lupine varieties Nemchinovsky, Frost, Danko, pea varieties Ramonsky, Aist, Malinovka, oat of Bug varieties, Los-3, Nemchinovsky, Erbgraf, Ends kurt, oat varieties of Zhodinsky, Krynica, Favorit,
Yanka varieties. In these sorts we determined the content of protein, essential and non-essential amino acids, estimated of biological value of protein grains and legumes by amino acid score method allowed us to recommend Kastrychnik, Narochansky yellow lupine, Nemchinovsky blue lupine, Zhodinsky spring barley, Nemchinovsky and Erbgraf oats varieties for use in the form for feed of animal and raw materials for the industrial manufacture of products.
application/pdf
en
BSTU
зерновые культуры
зернобобовые культуры
люпин желтый
люпин узколистный
горох посевной
овес
ячмень
Research of amino acid composition of protein of сеreal and grain legume crops of Belarusian selection
Article
ORIGINAL
Nikitenko.Research.pdf
Nikitenko.Research.pdf
application/pdf
172762
https://elib.belstu.by/bitstream/123456789/21055/1/Nikitenko.Research.pdf
33b5389decbc14546cb5c75517a8d541
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21055/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Nikitenko.Research.pdf.txt
Nikitenko.Research.pdf.txt
Extracted text
text/plain
12397
https://elib.belstu.by/bitstream/123456789/21055/3/Nikitenko.Research.pdf.txt
714eaf37cbb466e5a9034142df49d045
MD5
3
123456789/21055
oai:elib.belstu.by:123456789/21055
2020-10-21 10:37:06.71
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210632020-10-21T07:37:07Zcom_123456789_20520com_123456789_118col_123456789_20524
Sychevа, N. A.
Khmyzov, I. A.
Molchan, A. V.
Beloded, T. A.
Solov’yeva, T. V.
2017-06-05T09:17:05Z
2017-06-05T09:17:05Z
2015
Development of modification technology of wood raw material in production of solid biofuel / N. A. Sycheva [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 129-131
https://elib.belstu.by/handle/123456789/21063
Studies have shown that the mechanical properties of the pellets produced from hardwoods yield pellets traditionally used pine. In order to improve their original wood raw material modified by the addition of protein nature (albumin, casein , gelatin) and starch (potato starch and maize, starch syrup) by spraying through nozzles in the screw feeder directly before granulation. To increase the strength of pellets application proteinaceous adhesives has proved more effective than the starch paste. Albumin as presented in this particular interest. To carry out industrial testing technology was developed modifications of chopped wood with its use in the production of pellets. The tests samples of modified wood pellets showed full compliance with them as a group 1 (in STB 2027). Humidity pellets was 10%, ash content – 0.7%, the wood dust abrasion – 0.8%; calorific value – 17,640 kJ/kg.
application/pdf
en
BSTU
твердое биотопливо
древесные пеллеты
модифицированная древесина
прочность пеллет
производство пеллет
Development of modification technology of wood raw material in production of solid biofuel
Article
ORIGINAL
Sycheva.Development.pdf
Sycheva.Development.pdf
application/pdf
742950
https://elib.belstu.by/bitstream/123456789/21063/1/Sycheva.Development.pdf
ebc24dc2eedeb0ef931f459d0be35351
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21063/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Sycheva.Development.pdf.txt
Sycheva.Development.pdf.txt
Extracted text
text/plain
13110
https://elib.belstu.by/bitstream/123456789/21063/3/Sycheva.Development.pdf.txt
f6ff0f7a9ea2f37a0c25e80d7b86f5c1
MD5
3
123456789/21063
oai:elib.belstu.by:123456789/21063
2020-10-21 10:37:07.247
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/211042020-10-21T07:37:10Zcom_123456789_20520com_123456789_118col_123456789_20524
Liubimau, A. G.
Yurachka, V. V.
2017-06-06T08:41:39Z
2017-06-06T08:41:39Z
2015
Liubimau, A. G. Polyethylene antioxidants based on aromatic acid hydrazides / A. G.Liubimau, V. V. Yurachka // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 3-7
https://elib.belstu.by/handle/123456789/21104
Hydrazides of aromatic acids were synthesized and used as stabilizers of polyethylene. The thermal stability of polyethylene compositions was studied by methods thermogravimetry and infrared spectroscopy. The activation energy of thermal oxidative degradation of modified polyethylene was calculated. The optimal concentration of synthetic antioxidants was determined. It was shown that hydrazones of aromatic acids exhibit thermostabilizing properties.
application/pdf
en
BSTU
гидразиды ароматических кислот
термостабилизаторы
термоокислительная деструкция
полиэтилен высокого давления
термическое старение
Polyethylene antioxidants based on aromatic acid hydrazides
Article
ORIGINAL
Liubimau.Polyethylene.pdf
Liubimau.Polyethylene.pdf
application/pdf
559193
https://elib.belstu.by/bitstream/123456789/21104/1/Liubimau.Polyethylene.pdf
274bbcff5f35969e3f3f01ce42c6f1bc
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21104/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Liubimau.Polyethylene.pdf.txt
Liubimau.Polyethylene.pdf.txt
Extracted text
text/plain
17855
https://elib.belstu.by/bitstream/123456789/21104/3/Liubimau.Polyethylene.pdf.txt
91146df103643c7c48b4649a97d3bee4
MD5
3
123456789/21104
oai:elib.belstu.by:123456789/21104
2020-10-21 10:37:10.501
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210952020-10-21T07:37:09Zcom_123456789_20520com_123456789_118col_123456789_20524
Leshkevich, A. V.
Shashok, Zh. S.
Gurin, P. D.
2017-06-06T07:04:20Z
2017-06-06T07:04:20Z
2015
Leshkevich, A. V. Properties of elastomeric compositions with plasticizers based on secondary raw materials / A. V. Leshkevich, Zh. S. Shashok, P. D. Gurin // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 44-48
https://elib.belstu.by/handle/123456789/21095
Currently, as plasticizers in the rubber industry are widely used petroleum oils, the most common of which are: PO-6 and I-20. Due to lack of oil, much attention is paid to the recycling of waste oils. The aim of the recycling is further use of the products in the industry. In this context, the influence of the products of recycling waste engine oil (DVCH-1 and DVCH-2) in comparison with industrial oils on the technological properties of unfilled elastomeric compositions was investigate. The elastomeric compositions were based on poly isoprene, oil-filled styrene-butadiene and ethylene-propylene rubbers. The plasticizers were manufactured by IOOO “DVCH-Menedzhment”. They were a mixture of hydro-carbons, C[16]–C[20] and differ from each other in the content of linear and branched paraffins. Plastic-elastic and vulcanization properties of rubber compounds with different plasticizers were defined. Plastic-elastic properties of rubber compounds on the shear disk viscometer MV2000 in accordance with GOST 10722–76 was carried out. Kinetics of vulcanization on the rheometer ODR2000 according to GOST 12535–84 was defi ned. The correlation of the investigated properties of rubber compounds with the type and quantitative content of the used plasticizer was given.
application/pdf
en
BSTU
эластомерные композиции
пластификаторы
вторичное сырье
резиновые смеси
вулканизация каучуков
вязкость по Муни
релаксация напряжений
Properties of elastomeric compositions with plasticizers based on secondary raw materials
Article
ORIGINAL
Leshkevich.Properties.pdf
Leshkevich.Properties.pdf
application/pdf
1053938
https://elib.belstu.by/bitstream/123456789/21095/1/Leshkevich.Properties.pdf
54829830c0d856300fcf32b4253d989e
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21095/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Leshkevich.Properties.pdf.txt
Leshkevich.Properties.pdf.txt
Extracted text
text/plain
19255
https://elib.belstu.by/bitstream/123456789/21095/3/Leshkevich.Properties.pdf.txt
ce0b539a802db46ab72172899e47ccd3
MD5
3
123456789/21095
oai:elib.belstu.by:123456789/21095
2020-10-21 10:37:09.609
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210762020-10-21T07:37:07Zcom_123456789_20520com_123456789_118col_123456789_20524
Leviev, L. V.
Prokopchuk, N. R.
2017-06-05T11:13:08Z
2017-06-05T11:13:08Z
2015
Leviev, L. V. Anti-corrosion coatings with high barrier chemical resistance properties / L. V. Leviev, N. R. Prokopchuk // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 101-104
https://elib.belstu.by/handle/123456789/21076
The ways of solving actual problems of development corrosion resistant chemical resistant polymer coatings for containers, tanks, pipes and equipment in the chemical petrochemi cal industry are considered. It is shown that the widest range of resistance to aggressive media (acid, alkali, organic chlorine compounds, kerosene, diesel fuel, nitrobenzene, etc.) manifest a coating based on epoxy vinyl ester and epoxy novolac ester and oligomeric matrices with un iformly distributed therein particles of chemically resistant glass in the form of flakes or fibers of linear dimensions of 1 : 10 ratio. Thin plates of micaceous hematite (alpha-Fe[2]O[3] hematite structure) are used as fillers. Such particles of chemically re-sistant fillers create a coating structure with high barrier properties, preventing the penetration of aggressive agents to the surface of the metal to be protected.
application/pdf
en
BSTU
антикоррозионные покрытия
эпоксидные смолы
эпоксивинилэфирные смолы
защитные покрытия
наполнители
полимерные материалы
Anti-corrosion coatings with high barrier chemical resistance properties
Article
ORIGINAL
Leviev.Anti-corrosion.pdf
Leviev.Anti-corrosion.pdf
application/pdf
187312
https://elib.belstu.by/bitstream/123456789/21076/1/Leviev.Anti-corrosion.pdf
511a430fc2eab158951b5b1cf110145a
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21076/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Leviev.Anti-corrosion.pdf.txt
Leviev.Anti-corrosion.pdf.txt
Extracted text
text/plain
17315
https://elib.belstu.by/bitstream/123456789/21076/3/Leviev.Anti-corrosion.pdf.txt
c1a6203d6af36ffc8293af961a57ce2f
MD5
3
123456789/21076
oai:elib.belstu.by:123456789/21076
2020-10-21 10:37:07.736
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/210702020-10-21T07:37:07Zcom_123456789_20520com_123456789_118col_123456789_20524
Chubis, P. A.
Shishakov, E. P.
Shpak, S. I.
Koval’, V. V.
2017-06-05T10:41:32Z
2017-06-05T10:41:32Z
2015
Investigation of the fiber composition effect upon sack paper properties / P. A. Chubis [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 121-125
https://elib.belstu.by/handle/123456789/21070
The article presents data on production volumes of sack paper, which is produced by the world's leading companies. The main raw material for the manufacture of this product is unbleached softwood sulphate pulp having a high cost. In the present research work the fiber composition effect upon sack paper properties was investigated. This makes it possible to determine the optimal mass ratio of unbleached kraft primary fibers (kraft pulp) and seco ndary fibers (waste paper) for the manufacture of sack paper. Doptimal continuous design (Kono, 1962) for the estimating second order polynomial full models was used as the experiment design for the optimization of the pulp fiber composition. Considering the restrictions on the quality parameters speci fied in GOST 2228–81 “Sack paper. Specifications” the analysis of the obtained experimental data using the search function in Mi crosoft Excel 2007 gave the following results on the sack paper fiber composition: kraft pulp content ( X1) – 43.30% of a. d. s.; polyacrylonitrile fibers content ( X2) – 0.15% of a. d. s.; waste paper content – 56.55% of a. d. s. During the experiment it was found that an increase of polyacrylonitrile fibers content from 0.05 to 0.20% in the kraft pulp structure leads to the increase of sack paper tensile strength by 25–28% (breaking length increased from 5,700 to 7,300 m). But paper whiteness at the same time decreased by 9.7%. This made possible to reduce the content of expensive kraft pulp in the composition of sack paper by 27% (taking into account the 30,000 t/year production of sack pa per, saving of kraft pulp can reach 8,000 t/year).
application/pdf
en
BSTU
бумага мешочная
бумажная масса
компонентный состав бумаги
свойства бумаги
Investigation of the fiber composition effect upon sack paper properties
Article
ORIGINAL
Chubis.Investigation.pdf
Chubis.Investigation.pdf
application/pdf
367646
https://elib.belstu.by/bitstream/123456789/21070/1/Chubis.Investigation.pdf
b0836123d0c5d02531ddffbd14f598dd
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21070/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Chubis.Investigation.pdf.txt
Chubis.Investigation.pdf.txt
Extracted text
text/plain
21488
https://elib.belstu.by/bitstream/123456789/21070/3/Chubis.Investigation.pdf.txt
5c3988a9a111ff0fb5feec933cb9eacb
MD5
3
123456789/21070
oai:elib.belstu.by:123456789/21070
2020-10-21 10:37:07.448
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/209782020-10-21T07:37:08Zcom_123456789_20520com_123456789_118col_123456789_20524
Dubina, A. V.
Martsul’, V. N.
2017-06-02T07:56:37Z
2017-06-02T07:56:37Z
2015
Dubina, A. V. Photocatalytic wastewater treatment from formaldehyde / A. V. Dubina, V. N. Martsul’ // Proceedings of BSTU. No.4. – Minsk : BSTU, 2015. – P. 196-199
https://elib.belstu.by/handle/123456789/20978
The article presents the results of studies of treatment of wastewater at woodworking companies which is formed during manufacture and application of adhesives based on urea-formaldehyde resins. There presented a method of wastewater purification from pollutants such as dissolved components of urea-formaldehyde resins and free formaldehyde. This paper describes a method of pre-stabilization of wastewater for further treatment, which is achieved by precipitation of the condensation products of urea and formaldehyde. Stabilised wastewater is further subjected to processing by UV-radiation. In-vestigations were carried out with the wastewater, which were selected at the wood-processing enterprises of Belarus and wastewater has the following composition: formaldehyde content − 1.0−5.0 g/dm{3}, chemical oxygen demand (COD) of the liquid phase – 15.0 −60.0 g O[2]/dm{3} of components UFR − 50.0 −80.0 g/dm{3}. Various treatment options of stabilized wastewater by UV-radiation are investigated. It was established that UV-treatment of wastewater containing formaldehyde in the presence of powder composite material comprising TiO2, at a dose of irradiation of 10.8 J/cm{2} and and pH value being equal to 11 to reduced the formaldehyde content to 97% formal dehyde at concentrations ranging from 10 to 150 mg/dm{3}. Schematic diagram of wastewater treatment containing components UFR are proposed.
application/pdf
en
BSTU
сточные воды
очистка сточных вод
формальдегид
карбамидоформальдегидные смолы
концентрация формальдегида
ультрафиолетовое обеззараживание воды
Photocatalytic wastewater treatment from formaldehyde
Article
ORIGINAL
Dubina.Photocatalytic.pdf
Dubina.Photocatalytic.pdf
application/pdf
277556
https://elib.belstu.by/bitstream/123456789/20978/1/Dubina.Photocatalytic.pdf
4c4aba3428f7b02bed62a5698695226f
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/20978/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Dubina.Photocatalytic.pdf.txt
Dubina.Photocatalytic.pdf.txt
Extracted text
text/plain
15274
https://elib.belstu.by/bitstream/123456789/20978/3/Dubina.Photocatalytic.pdf.txt
51967b5ba1dc5195b4765a92be9fb075
MD5
3
123456789/20978
oai:elib.belstu.by:123456789/20978
2020-10-21 10:37:08.891
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/211002020-10-21T07:37:09Zcom_123456789_20520com_123456789_118col_123456789_20524
Klenitsky, D. V.
Kruk, M. M.
2017-06-06T07:53:35Z
2017-06-06T07:53:35Z
2015
Klenitsky, D. V. Relationship between the corrole macrocycle peripheral substitution type and character of its nonplanar distortions / D. V. Klenitsky, M. M. Kruk // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 20-23
https://elib.belstu.by/handle/123456789/21100
The analysis of the character of tetrapyrrolic macrocycle nonplanar distortions of free base corroles has been carried out. The molecular conformations of the corrole NH tautomers have been obtained with the quantum-chemical calculations (5,10-mesityl-15-2,6-dichloropyrimidinyl-corrole) and X-ray analysis (5,10,15-phenyl-18-nitro-corrole). The character of nonplanar distortions was found to be simi-lar for corresponding NH tautomers of both corroles, this point out to the features of the NH tautomer molecular conformations. Despite the fact, that all three studied molecular conformations have wave-type nonplanar distortions, the magnitudes of deviations for individual atoms are noticeably different. To estimate quantitatively the nonplanar macrocycle distortions of the corrole macrocycle the Δ23 value has been introduced for the first time. Δ23 value is the average least-square deviation from the mean macrocycle plane C7 per one macrocycle atom. Small increase in the Δ23 value has been found for the 5,10,15-phenyl-18-nitro-corrole. It is likely to be due to synergism of the macrocycle nonplanar defor-mation and rotation of aryl substituents in the meso -positions. It was shown that asymmetry of corrole molecular conformation is similar to that of sterically hindered porphyrins having the bulky substituents grouped on the one moiety of macrocycle. However, in case of corroles sterical hindrance is in the macrocycle core, leading to the wave-type macrocycle, whereas in case of porphyrins the sterical factors are on the macrocycle periphery, resulting in the saddle-type distorted conformer.
application/pdf
en
BSTU
неплоскостные искажения
корролы
тетрапиррольные макроциклы
молекулярные конформации
Relationship between the corrole macrocycle peripheral substitution type and character of its nonplanar distortions
Article
ORIGINAL
Klenitsky.Relationship.pdf
Klenitsky.Relationship.pdf
application/pdf
441285
https://elib.belstu.by/bitstream/123456789/21100/1/Klenitsky.Relationship.pdf
28bf56579745eea654e9511d2445891c
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21100/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Klenitsky.Relationship.pdf.txt
Klenitsky.Relationship.pdf.txt
Extracted text
text/plain
15625
https://elib.belstu.by/bitstream/123456789/21100/3/Klenitsky.Relationship.pdf.txt
38d21d3e41188dc2d0aad27be550b6af
MD5
3
123456789/21100
oai:elib.belstu.by:123456789/21100
2020-10-21 10:37:09.964
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/210912020-10-21T07:37:09Zcom_123456789_20520com_123456789_118col_123456789_20524
Karpovich, O. I.
Narkevich, A. L.
Khrol, E. Z.
Petrushenya, A. F.
Pozhen’ko, Ya. I.
2017-06-06T05:36:43Z
2017-06-06T05:36:43Z
2015
Physical and mechanical properties of composite materials polymer waste JSC “Beltsvetmet” / O. I. Karpovich [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 62-65
https://elib.belstu.by/handle/123456789/21091
On the basis of polymer waste of “Beltsvetmet” samples made of composite materials with different contents of waste. Materials produced by the method of the seam-forming and injection molding. Identified the main technological parameters of manufacturing processes. Restrictions on the weight content of the waste to the methods of manufacture. For determined materials derived basic physical and mechanical characteristics: density, tensile strength and te nsile modulus and bending strength, tensile shear strength, impact strength. It has been established that the strength properties of composite materials based on polymer waste stored on a completely acceptable level in comparison with the primary and secondary unfilled polymers. The influence of the method of manufacture and maintenance of waste on the mechanical properties of materials. The fundame ntal possibility of recycl ing of polymer waste by seam-forming and injection molding products irrespons ible destination to which no high requirements.
application/pdf
en
BSTU
композиционные материалы
полимерсодержащие отходы
пласт-формование
литье под давлением
переработка отходов
Physical and mechanical properties of composite materials polymer waste JSC “Beltsvetmet”
Article
ORIGINAL
Karpovich.Physical.pdf
Karpovich.Physical.pdf
application/pdf
220175
https://elib.belstu.by/bitstream/123456789/21091/1/Karpovich.Physical.pdf
cce167b6a8762fa67a130d75a5e48cbf
MD5
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LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21091/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
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TEXT
Karpovich.Physical.pdf.txt
Karpovich.Physical.pdf.txt
Extracted text
text/plain
17790
https://elib.belstu.by/bitstream/123456789/21091/3/Karpovich.Physical.pdf.txt
08efbc94bf58717c702e47fb4aacaf6a
MD5
3
123456789/21091
oai:elib.belstu.by:123456789/21091
2020-10-21 10:37:09.285
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210972020-10-21T07:37:09Zcom_123456789_20520com_123456789_118col_123456789_20524
Prokopchuk, N. R.
Shashok, Zh. S.
Vishnevskiy, K. V.
Prishchepenko, D. V.
2017-06-06T07:24:06Z
2017-06-06T07:24:06Z
2015
Characteristic properties of spinning solution and nanofibres from chitosan biopolymer / N. R. Prokopchuk [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 34-38
https://elib.belstu.by/handle/123456789/21097
Electrospinning from solutions of polymers which is a promising way of nanofibres manufacture in the field of nanotechnologies is reviewed in the paper. Chitosan which possesses wound-healing action was used as polymer, it is also non-toxic, biocompatible and biodegradable. Nanofibres on its basis manifest the superdeveloped surface and voids rating. Taking into account wound he aling prope rties, chitosan is very effective at producing wound textile for burns, long nonhealing wounds, and trophic ulcers. Nanofibres from chitosan were produced according to the Nanospider technology on the NS LAB 500 S (ELMARCO, Czech Republic). During process of nanofibres electrospinning potential difference between electrodes up to 60 kV was created. Positively charged sprays push each other, move and vibrate during electrospinning. Diameter of a spray decreases towards nanosizes because their movement accelerates. The chemical composition, viscosity, and rheological parameters of the solution are developed. The electrospinning technology is optimized; the structure of a nanofiber layer is analyzed by method of scanning microscopy on JSM-5610 LV JEOL. Thus, the prospects of use of Nanospider technology are defined for production of nanofibres based on polymer solutions.
application/pdf
en
BSTU
нановолокна
формовочные растворы
электроформование
хитозан
динамическая вязкость
электропроводность
нановолоконные покрытия
Characteristic properties of spinning solution and nanofibres from chitosan biopolymer
Article
ORIGINAL
Prokopchuk.Characteristic.pdf
Prokopchuk.Characteristic.pdf
application/pdf
814893
https://elib.belstu.by/bitstream/123456789/21097/1/Prokopchuk.Characteristic.pdf
1395ec8083d8bf40b715e4f49d345a92
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21097/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Prokopchuk.Characteristic.pdf.txt
Prokopchuk.Characteristic.pdf.txt
Extracted text
text/plain
21501
https://elib.belstu.by/bitstream/123456789/21097/3/Prokopchuk.Characteristic.pdf.txt
3662830ed21e5551702aa34335719f76
MD5
3
123456789/21097
oai:elib.belstu.by:123456789/21097
2020-10-21 10:37:09.759
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210892020-10-21T07:37:09Zcom_123456789_20520com_123456789_118col_123456789_20524
Savos’ko, I. V.
2017-06-06T05:19:27Z
2017-06-06T05:19:27Z
2015
Savos’ko, I. V. Spectrofluorimetric determination of aluminium (III) with the use 8-oxyhinolin / I. V. Savos’ko // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 72-76
https://elib.belstu.by/handle/123456789/21089
The procedure of aluminium (III) spectrofluorimetric determination in foodstuffs with the use of 8-oxyhinolin is developed. The promising use of 8-oxyhinolin is shown for aluminium (III) determination. At the development procedure the conditions of photometric reaction realization were optimized. The optimal medium creation method, analytical reagent concentration, conditio ns of steady aluminium complexes with reagent formation (time of color de velopment, pH value, temperature-temporal pa-rameters of solutions pretreatment, conditions of extraction) were investigated.
The research of analytical signal measuring choice (intensities of luminescence) was conducted. The values of initial and eventual wavelengths of regist ration and excitation monochromators are set, the excitation and emitting spectrums of 8-oxyhinolin and its complex with aluminium (III) are measured. Studies of possibility of eliminating mixing ions are undertaken when analysing the real objects. 8-oxyhinolin forms complexes with many metals, therefore they must be preliminary separated on the stage tests preparation or in the process of realization of complex extraction. Dependence of analytical signal is studied on the con centration of analyzable complex in the range of
concentrations (1 −10)·10{−5} mol/l. Chloroform solution of 8-oxyhinolin is used as solution of comparison. The worked out methodology can be applied in analytical laboratories to certify the quality of foodstuff.
application/pdf
en
BSTU
спектрофлуориметрия
флуоресцентная спектроскопия
алюминий
определение алюминия
органические реагенты
оксихинолин
экстракция
Spectrofluorimetric determination of aluminium (III) with the use 8-oxyhinolin
Article
ORIGINAL
Savos’ko.Spectrofluorimetric.pdf
Savos’ko.Spectrofluorimetric.pdf
application/pdf
325443
https://elib.belstu.by/bitstream/123456789/21089/1/Savos%e2%80%99ko.Spectrofluorimetric.pdf
338ca5f63e7a49f72edff3efb2067e26
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21089/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Savos’ko.Spectrofluorimetric.pdf.txt
Savos’ko.Spectrofluorimetric.pdf.txt
Extracted text
text/plain
21359
https://elib.belstu.by/bitstream/123456789/21089/3/Savos%e2%80%99ko.Spectrofluorimetric.pdf.txt
4efe9f13816d96e0ab48d68c7daaea77
MD5
3
123456789/21089
oai:elib.belstu.by:123456789/21089
2020-10-21 10:37:09.134
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/209762020-10-21T07:37:08Zcom_123456789_20520com_123456789_118col_123456789_20524
Martsul’, A. V.
Likhacheva, A. V.
Dubina, A. V.
2017-06-02T07:26:38Z
2017-06-02T07:26:38Z
2015
Martsul’, V. N. Sludge stabilization of sewage treatment facilities with waste from production and application of urea-formaldehyde resins / V. N. Martsul', A. V. Likhacheva, A. V. Dubina // Proceedings of BSTU. No.4. – Minsk : BSTU, 2015. – P. 206-209
https://elib.belstu.by/handle/123456789/20976
The article describes the variants of reagent stabilization, which is an essential stage of sludge treatment of sewage treatment facilities There are many variants of stabilization, which are based on the mineralization of organic matter, the impact on microorganisms (heating, treatment with chemicals, which have a bactericidal effect, adjustment of pH and humidity) to suppress their activity. In comparison with biological methods reagent stabilization requires minimal capital costs and provides carrying out the process in a short time. Promising method is to be used while stabilizing of waste containing organic substances with microstatic and microbocide action, and which do not change the composition of sediments. In this paper as reagents to stabilize was used the liquid waste and wastewater generated in the production and application of urea-formaldehyde resins (UFR), which are characterized by high levels of formalde-hyde. Flow rate of liquid waste (formaldehyde content of 14.2 g/dm3) was changed in the ranges from 1 : 100 to 20 : 100, the flow of wastewater (formaldehyde content of 0.5 −7.0 g/dm3) in the varies from 1 : 10 to 1 : 2. Investigations were carried out on the excess activated sludge (solids content 18.1 −27.7 g/dm3). In the investigated ranges the flow of stabilizing agent, that provides long-term stability, depends linearly on both the solids content of the excess ac tivated sludge, as well as on the content of formaldehyde in the stabilizing agent. Processing of excess activated sludge with waste from production and use of urea-formaldehyde resins reduces the resistivity to filtering more than 7 times.
application/pdf
en
BSTU
реагентная стабилизация
осадки сточных вод
карбамидоформальдегидные смолы
жидкие отходы
стабилизирующие агенты
избыточный активный ил
Sludge stabilization of sewage treatment facilities with waste from production and application of urea-formaldehyde resins
Article
ORIGINAL
Martsul’.Sludge.pdf
Martsul’.Sludge.pdf
application/pdf
230327
https://elib.belstu.by/bitstream/123456789/20976/1/Martsul%e2%80%99.Sludge.pdf
3d64abb880595a8eb78e5321db047b54
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/20976/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Martsul’.Sludge.pdf.txt
Martsul’.Sludge.pdf.txt
Extracted text
text/plain
15663
https://elib.belstu.by/bitstream/123456789/20976/3/Martsul%e2%80%99.Sludge.pdf.txt
20f3cd9ac8c8f5fc267d3f3e51fe7e1c
MD5
3
123456789/20976
oai:elib.belstu.by:123456789/20976
2020-10-21 10:37:08.718
Электронная библиотека БГТУ
bibl@belstu.by
Tk9URTogUExBQ0UgWU9VUiBPV04gTElDRU5TRSBIRVJFClRoaXMgc2FtcGxlIGxpY2Vuc2UgaXMgcHJvdmlkZWQgZm9yIGluZm9ybWF0aW9uYWwgcHVycG9zZXMgb25seS4KCk5PTi1FWENMVVNJVkUgRElTVFJJQlVUSU9OIExJQ0VOU0UKCkJ5IHNpZ25pbmcgYW5kIHN1Ym1pdHRpbmcgdGhpcyBsaWNlbnNlLCB5b3UgKHRoZSBhdXRob3Iocykgb3IgY29weXJpZ2h0Cm93bmVyKSBncmFudHMgdG8gRFNwYWNlIFVuaXZlcnNpdHkgKERTVSkgdGhlIG5vbi1leGNsdXNpdmUgcmlnaHQgdG8gcmVwcm9kdWNlLAp0cmFuc2xhdGUgKGFzIGRlZmluZWQgYmVsb3cpLCBhbmQvb3IgZGlzdHJpYnV0ZSB5b3VyIHN1Ym1pc3Npb24gKGluY2x1ZGluZwp0aGUgYWJzdHJhY3QpIHdvcmxkd2lkZSBpbiBwcmludCBhbmQgZWxlY3Ryb25pYyBmb3JtYXQgYW5kIGluIGFueSBtZWRpdW0sCmluY2x1ZGluZyBidXQgbm90IGxpbWl0ZWQgdG8gYXVkaW8gb3IgdmlkZW8uCgpZb3UgYWdyZWUgdGhhdCBEU1UgbWF5LCB3aXRob3V0IGNoYW5naW5nIHRoZSBjb250ZW50LCB0cmFuc2xhdGUgdGhlCnN1Ym1pc3Npb24gdG8gYW55IG1lZGl1bSBvciBmb3JtYXQgZm9yIHRoZSBwdXJwb3NlIG9mIHByZXNlcnZhdGlvbi4KCllvdSBhbHNvIGFncmVlIHRoYXQgRFNVIG1heSBrZWVwIG1vcmUgdGhhbiBvbmUgY29weSBvZiB0aGlzIHN1Ym1pc3Npb24gZm9yCnB1cnBvc2VzIG9mIHNlY3VyaXR5LCBiYWNrLXVwIGFuZCBwcmVzZXJ2YXRpb24uCgpZb3UgcmVwcmVzZW50IHRoYXQgdGhlIHN1Ym1pc3Npb24gaXMgeW91ciBvcmlnaW5hbCB3b3JrLCBhbmQgdGhhdCB5b3UgaGF2ZQp0aGUgcmlnaHQgdG8gZ3JhbnQgdGhlIHJpZ2h0cyBjb250YWluZWQgaW4gdGhpcyBsaWNlbnNlLiBZb3UgYWxzbyByZXByZXNlbnQKdGhhdCB5b3VyIHN1Ym1pc3Npb24gZG9lcyBub3QsIHRvIHRoZSBiZXN0IG9mIHlvdXIga25vd2xlZGdlLCBpbmZyaW5nZSB1cG9uCmFueW9uZSdzIGNvcHlyaWdodC4KCklmIHRoZSBzdWJtaXNzaW9uIGNvbnRhaW5zIG1hdGVyaWFsIGZvciB3aGljaCB5b3UgZG8gbm90IGhvbGQgY29weXJpZ2h0LAp5b3UgcmVwcmVzZW50IHRoYXQgeW91IGhhdmUgb2J0YWluZWQgdGhlIHVucmVzdHJpY3RlZCBwZXJtaXNzaW9uIG9mIHRoZQpjb3B5cmlnaHQgb3duZXIgdG8gZ3JhbnQgRFNVIHRoZSByaWdodHMgcmVxdWlyZWQgYnkgdGhpcyBsaWNlbnNlLCBhbmQgdGhhdApzdWNoIHRoaXJkLXBhcnR5IG93bmVkIG1hdGVyaWFsIGlzIGNsZWFybHkgaWRlbnRpZmllZCBhbmQgYWNrbm93bGVkZ2VkCndpdGhpbiB0aGUgdGV4dCBvciBjb250ZW50IG9mIHRoZSBzdWJtaXNzaW9uLgoKSUYgVEhFIFNVQk1JU1NJT04gSVMgQkFTRUQgVVBPTiBXT1JLIFRIQVQgSEFTIEJFRU4gU1BPTlNPUkVEIE9SIFNVUFBPUlRFRApCWSBBTiBBR0VOQ1kgT1IgT1JHQU5JWkFUSU9OIE9USEVSIFRIQU4gRFNVLCBZT1UgUkVQUkVTRU5UIFRIQVQgWU9VIEhBVkUKRlVMRklMTEVEIEFOWSBSSUdIVCBPRiBSRVZJRVcgT1IgT1RIRVIgT0JMSUdBVElPTlMgUkVRVUlSRUQgQlkgU1VDSApDT05UUkFDVCBPUiBBR1JFRU1FTlQuCgpEU1Ugd2lsbCBjbGVhcmx5IGlkZW50aWZ5IHlvdXIgbmFtZShzKSBhcyB0aGUgYXV0aG9yKHMpIG9yIG93bmVyKHMpIG9mIHRoZQpzdWJtaXNzaW9uLCBhbmQgd2lsbCBub3QgbWFrZSBhbnkgYWx0ZXJhdGlvbiwgb3RoZXIgdGhhbiBhcyBhbGxvd2VkIGJ5IHRoaXMKbGljZW5zZSwgdG8geW91ciBzdWJtaXNzaW9uLgo=
oai:elib.belstu.by:123456789/210722020-10-21T07:37:07Zcom_123456789_20520com_123456789_118col_123456789_20524
Klyuev, A. Yu.
Skakovskiy, E. D.
Kozlov, N. G.
Prokopchuk, N. R.
Gorshcharik, N. D.
Rozhkova, E. I.
Bay, M. P.
Ogorodnikova, M. M.
2017-06-05T10:52:49Z
2017-06-05T10:52:49Z
2015
The composition study of terpenoidmaleic adducts / A. Yu. Klyuyev [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 112-120
https://elib.belstu.by/handle/123456789/21072
The work contains studies of the chemical composition of adducts on the basis of terpenoids and maleic anhydride to provide controlled synthesis on the basis of their secondary products with specified performance characteristics. The determination of the qualitative and quantitative composition of the mixtures of resin acids of pine turpentine and rosin by their methyl esters was performed with GLC analysis; the components of pine resin, rosin, turpentine, adducts was performed with NMR spectroscopy, functional groups in the original terpenoid resins and products of their interaction with oxygen-containing compounds (maleopimaric acid) and terpenoidmaleic adducts by the method of IR spectroscopy. Good convergence of the results obtained by NMR spectroscopy and GLC analysis on the composition of pine resin, gum rosin and turpentine confirms their authenticity. Using the obtained experimental and calculated data the composition of terpenoidmaleic adducts wasset. When obtaining resin terpenoidmaleic adducts, the composition of turpentine solution of resin varied in the range from 30/70 to 70/30 wt %, the calculated amount of maleic anhydride to link all resin acids with conjugated double bonds and terpene hydrocarbons varied from 57.7 to 38.3 wt %. It is shown that when modification of turpentine composition from 30/70 to 70/30 wt % with maleic anhydride increases, there is a significant change in the compositions of obtained terpenoidmaleic adducts of rosin. When comparing experimental data and theoretical calculations regularity is established in the change of composition of terpenoidmaleic of rosin adducts obtained from various terpentine: content of maleopimaric acid naturally increases with the increase of resin acids and the content of terpenoidmaleic adducts decreases. It is shown th at terpinoidmaleic adducts are multicomponent sys-tems composed of maleopimaric acid, terpinolene ad ducts, and of resin acids, which do not react with maleic anhydride. By varying the composition of the turpentine and the amount of maleic anhydride, adducts with different content components can be obtained, and hence, regulating their specifications. The efficiency of using the methods of NMR and IR spectroscopy to study the composition terpenoidmaleic adducts is demonstrated.
application/pdf
en
BSTU
терпеноидномалеиновые аддукты
терпеноиды
малеиновый ангидрид
смоляные кислоты
сосновая живица
канифоль
скипидар
газожидкостная хроматография
ЯМР-спектроскопия
синтез аддуктов
The composition study of terpenoidmaleic adducts
Article
ORIGINAL
Klyuyev.The composition.pdf
Klyuyev.The composition.pdf
application/pdf
395170
https://elib.belstu.by/bitstream/123456789/21072/1/Klyuyev.The%20composition.pdf
47ef25d9e5c3a88b8e28f5a6295aa7ea
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21072/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Klyuyev.The composition.pdf.txt
Klyuyev.The composition.pdf.txt
Extracted text
text/plain
32741
https://elib.belstu.by/bitstream/123456789/21072/3/Klyuyev.The%20composition.pdf.txt
7838f84d7d488b2b7ac1b12b6751197d
MD5
3
123456789/21072
oai:elib.belstu.by:123456789/21072
2020-10-21 10:37:07.549
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210582020-10-21T07:37:06Zcom_123456789_20520com_123456789_118col_123456789_20524
Gazerani Farahani, Sh.
Leontiev, V. N.
2017-06-05T08:43:01Z
2017-06-05T08:43:01Z
2015
Gazerani Farahani, Sh. The influence of heavy metal ions on absorption spectra of chlorophyll from Euglena gracilis (in vitro) / Sh. Gazerani Farahani, V. N. Leontiev // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 139-142
https://elib.belstu.by/handle/123456789/21058
Heavy metal environmental pollution is one of the most important ecological problems. Photosynthetic organisms are frequently used as test systems, among which the preference is given to microorganisms such as E. gracilis. The changes of physiological characteris tics of cells are used as criteria for evaluation of aquatic environmental pollution. At the same time, to understand the essence of physio-logic response on the influence of heavy metal ions it is necessary to understand the mechanisms of in-teractions of pollutant with biochemical systems of a cell. In this research the influence of Fe{2+}, Zn{2+} and Cu{2+} on spectral properties of chlorophyll isolated from E. gracilis culture is studied. The results showed that the mentioned above ions replace Mg{2+} in chlorophyll molecule. This causes the decrease of absorption maxima at 666 nm. The most significant spectral changes were observed when chlorophyll interacted with Fe{2+}, while Cu{2+} had the least impact. The assumption is given that the values of effective ionic radii and redox potential of pair of Me{2+}/Me{0}influence the efficiency of interac tion of heavy metal ions with molecules of chlorophyll. This interaction can be shown by the changes in absorption spectra of chlorophyll.
application/pdf
en
BSTU
хлорофилл
ионы тяжелых металлов
спектры поглощения
ионные радиусы
окислительно-восстановительные потенциалы
The influence of heavy metal ions on absorption spectra of chlorophyll from Euglena gracilis (in vitro)
Article
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21058/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
ORIGINAL
Gazerani Farahani.The influence.pdf
Gazerani Farahani.The influence.pdf
application/pdf
224766
https://elib.belstu.by/bitstream/123456789/21058/1/Gazerani%20Farahani.The%20influence.pdf
707350afc26f990aa0efdfb26e4b868c
MD5
1
TEXT
Gazerani Farahani.The influence.pdf.txt
Gazerani Farahani.The influence.pdf.txt
Extracted text
text/plain
14381
https://elib.belstu.by/bitstream/123456789/21058/3/Gazerani%20Farahani.The%20influence.pdf.txt
af6b02c03320b5bb50159cba6daa5c87
MD5
3
123456789/21058
oai:elib.belstu.by:123456789/21058
2020-10-21 10:37:06.928
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210442020-10-21T07:37:08Zcom_123456789_20520com_123456789_118col_123456789_20524
Skakovskiy, E. D.
Tychinskaya, L. Yu.
Shish, S. N.
Shutova, A. G.
Lamotkin, S. A.
Kryvonosova, E. V.
2017-06-05T05:47:17Z
2017-06-05T05:47:17Z
2015
NMR analysis of chloroform extracts of Nigella seeds / E. D. Skakovskiy [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 164-167
https://elib.belstu.by/handle/123456789/21044
A comparative NMR analysis of chloroform extracts of three species of the Nigella family (Nigella damascena L., Nigella sativa L., Nigella orientalis L.) has been carried out and the influence of seeds grinding on the extract composition has been investigated. The seeds were obtained from plants cultivated on the experimental site of the Department of Plant Biochemistry and Biotechnology of the Central Botanical Garden NAS of Belarus. Fatty acid composition of the extract was evaluated; linoleic and oleic acids are the most abundant among triglycerides. The presence of pcymene and thymoquinone in the extracts was proven. A severe grinding of the seeds results in the extraction of additional compounds from the seed shell, and decomposition of triacylglycerols. The difference of fatty acids composition of three different Nigella species has been shown. The specificity of Nigella damascena is the highest content of eicosa dienoic acid in the seeds extracts, while Nigella orientalis contains the highest amount of linoleic acid. Nigella sativa is the leader in p -cymene and thymoquinone accumulation .
application/pdf
en
BSTU
чернушка дамасская
чернушка посевная
чернушка восточная
семена растений
экстракты семян
хлороформенные экстракты
компонентный состав семян
жирнокислотный состав
NMR analysis of chloroform extracts of Nigella seeds
Article
ORIGINAL
Skakovskiy.NMR.pdf
Skakovskiy.NMR.pdf
application/pdf
762108
https://elib.belstu.by/bitstream/123456789/21044/1/Skakovskiy.NMR.pdf
6f050a2ce59bbe33a93b1fa2e2b75b94
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21044/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Skakovskiy.NMR.pdf.txt
Skakovskiy.NMR.pdf.txt
Extracted text
text/plain
18245
https://elib.belstu.by/bitstream/123456789/21044/3/Skakovskiy.NMR.pdf.txt
74d2d8293aa445b986439537d4de0178
MD5
3
123456789/21044
oai:elib.belstu.by:123456789/21044
2020-10-21 10:37:08.636
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/211012020-10-21T07:37:10Zcom_123456789_20520com_123456789_118col_123456789_20524
Vershilovskaya, I. V.
Kruk, M. M.
2017-06-06T08:06:22Z
2017-06-06T08:06:22Z
2015
Vershilovskaya, I. V. Acid-base and photophysical properties of asymmetric dendrimers with porphyrin core / I. V. Vershilovskaya, M. M. Kruk // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 16-19
https://elib.belstu.by/handle/123456789/21101
The spectral and photophysical properties of mixed 5,10,15,20-arylporphyrins with А 2В2 - cis and А 2В2 - trans peripheral substitution and the porphyrin core dendrimers with the same spacer architecture between tetrapyrrolic macrocycle and indolocarbazole dendrons as well as those of their mono- and doubly protonated forms have been studied. Sequential formation of both mono- and doubly protonated forms of all the studied compounds was found during the acid-base titration. However, the concentration of monoprotonated form is small compared to those of the free base and doubly protonated one due to close values of protonation constants р K[a1](Н[2]P ↔Н[3]P{+}) and рK[а2](Н[3]P{+} ↔ Н[4]P{2+}) in both ground singlet S[0] state and first excited singlet S[1] state. Different position of peripheral substituents/spacers of А (phenyls) and В (mesityls) type, which is known to have different sterical hindrances with tetrapyrrolic macrocycle, does not result in any noticeable differences in the acid-base properties. The free bases of all the compounds have similar photophysical properties. Doubly protonated forms of dendrimers and parent porphyrins were found to have different probabilities of lowest singlet S[1] state deactivation. Compared to the free base molecules the fluorescen ce quantum yield value for dendrimers reduces for 50 −1,000 times, whereas the parent porphyrins demonstrate about three fold increase.
application/pdf
en
BSTU
порфирины
флуоресценция
индолокарбазольные дендримеры
супрамолекулярные системы
кислотно-основные равновесия
Acid-base and photophysical properties of asymmetric dendrimers with porphyrin core
Article
ORIGINAL
Vershilovskaya.Acid-base.pdf
Vershilovskaya.Acid-base.pdf
application/pdf
276673
https://elib.belstu.by/bitstream/123456789/21101/1/Vershilovskaya.Acid-base.pdf
1f4f15351821fa6492feb745310e1eba
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21101/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Vershilovskaya.Acid-base.pdf.txt
Vershilovskaya.Acid-base.pdf.txt
Extracted text
text/plain
14973
https://elib.belstu.by/bitstream/123456789/21101/3/Vershilovskaya.Acid-base.pdf.txt
5b5e86afca7a377e974c3973175eac87
MD5
3
123456789/21101
oai:elib.belstu.by:123456789/21101
2020-10-21 10:37:10.039
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210602020-10-21T07:37:07Zcom_123456789_20520com_123456789_118col_123456789_20524
Pis’menskiy, P. I.
Luka, Yu. G.
Katashevich, E. L.
Solov’yeva, T. V.
2017-06-05T08:48:59Z
2017-06-05T08:48:59Z
2015
Energy-saving technology for producing thermomechanical pulp for newsprint paper / P. I. Pis’menskiy [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 136-138
https://elib.belstu.by/handle/123456789/21060
The paper studies the influence of widely regionalized on the territory of the Republic of Belarus hardwood aspen on the specific energy consumption (SEC) spent on milling wood chips while preparing thermomechanical pulp (TMP) in newsprint production. Increasing the share of aspen wood in the composition of TMM leads to decline of SEC. Processi ng chips with sodium sulfite before its milling promotes SEC decline and significantly impr oves the strength characteristics of paper.
application/pdf
en
BSTU
бумага газетная
термомеханическая масса
древесина осины
размол древесной щепы
удельный расход энергии
производство бумаги
Energy-saving technology for producing thermomechanical pulp for newsprint paper
Article
ORIGINAL
Pis’menskiy.Energy-saving.pdf
Pis’menskiy.Energy-saving.pdf
application/pdf
478047
https://elib.belstu.by/bitstream/123456789/21060/1/Pis%e2%80%99menskiy.Energy-saving.pdf
ce4dd17a9fdb384028bc95d6dd6b132e
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21060/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Pis’menskiy.Energy-saving.pdf.txt
Pis’menskiy.Energy-saving.pdf.txt
Extracted text
text/plain
11135
https://elib.belstu.by/bitstream/123456789/21060/3/Pis%e2%80%99menskiy.Energy-saving.pdf.txt
9d0fdef7ec956e3a7b3774b928dc223d
MD5
3
123456789/21060
oai:elib.belstu.by:123456789/21060
2020-10-21 10:37:07.035
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/211022020-10-21T07:37:10Zcom_123456789_20520com_123456789_118col_123456789_20524
Emello, G. G.
Bondarenko, Zh. V.
Gerasimovich, V. A.
Kharlan, T. V.
2017-06-06T08:22:32Z
2017-06-06T08:22:32Z
2015
Aqueous solution properties of ZETESOL surfactant preparations / G. G. Emello [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 12-15
https://elib.belstu.by/handle/123456789/21102
Surface-active, optical and electrical proper ties of surfactant specimens ZETESOL ZN and ZETESOL MG water solution were investigated using various analysis methods (stalagmometry, turbidimetry, refractometry, conductometry). The quantitative characteristics of adsorption process such as the Langmuir’s maximum adsorption, the consta nts of Shishkovsky’s equation were calculated. It was determined that the specimens investigated have great surface activity on the frontier between surfactant specimens water solutions and air. The resu lts of obtained by turbidimetric method show that the specimens are colloidal systems and their critical concentration of micelle formation are coequal. The admixture (laureth-3, phenoxyethanol, sulfates of metals) have the positive influence on the effect of aggregation in colloidal solutions of surfactant specimens. The specimen ZETESOL MG has greater effect on micelle formation than the specimen ZETESOL ZN because of larger quantitive constant in its composition. The characteristic curves “electro conductivity – concentration of water solution of surfactant specimens” were carried out by conductometric method. The electrical properties of anionic specimens depend on the ionic qualitative composition of systems. It was established that electro-conductivity of ZETESOL MG water solutions is higher than that of ZETESOL ZN water solutions due to higher electrolyte (MgSO [4]) concentration. The investigations showed that the specimens ZETESOL group could be used in composition of hygienic detergents as foam-producing agents and stabilizers of foams.
application/pdf
en
BSTU
поверхностно-активные вещества
электропроводность
водные растворы
концентрация поверхностно-активных веществ
оптическая плотность
коллоидные растворы
поверхностное натяжение
Aqueous solution properties of ZETESOL surfactant preparations
Article
ORIGINAL
Emello.Aqueous.pdf
Emello.Aqueous.pdf
application/pdf
254388
https://elib.belstu.by/bitstream/123456789/21102/1/Emello.Aqueous.pdf
800816b537ac7643ba73e1ee51597b36
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21102/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Emello.Aqueous.pdf.txt
Emello.Aqueous.pdf.txt
Extracted text
text/plain
16989
https://elib.belstu.by/bitstream/123456789/21102/3/Emello.Aqueous.pdf.txt
65e62cb209920bcb4eece417164fd9a5
MD5
3
123456789/21102
oai:elib.belstu.by:123456789/21102
2020-10-21 10:37:10.234
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/210942020-10-21T07:37:09Zcom_123456789_20520com_123456789_118col_123456789_20524
Sedykh, V. A.
Nikulina, N. s.
Kozlovtsev, V. V.
Kasperovich, A. V.
2017-06-06T06:29:35Z
2017-06-06T06:29:35Z
2015
Properties of coatings of high styrene thermoplastic elastomers and their modifications / V. A. Sedykh [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 49-52
https://elib.belstu.by/handle/123456789/21094
Flexible fiber-optic cables, used to prevent stomach diseases, protected by disposable and transparent coatings reduce the duration of disassembly and sterilization. The aim of this work was to develop technologies for producing films, protective coatings of high-styrene block copolymers StyroTEP-65 and estimation of their technical parameters. It was determined the impact of the multiplicity of dippings in polymer solution and polymer solution concentration, layer thickness and nature of the sub-strate on the elastic strength properties of the films. The manifestation of the anisotropy of the properties in the longitudinal and transverse cross sectio n of the membranes is fixed. The increase in the thickness of the membranes resulted in a slight decrease in light transmission in the visible and infrared wavelength range. Results of physico-mechan ical properties of the films StyroTEP-65 in the presence of polyvinylcarbazole additives are presented. Method for casting membranes is developed, their optimal thickness is determined, the effect of the anisotropy properties of the membranes in the
longitudinal and transverse cross-section is observed.
application/pdf
en
BSTU
волоконно-оптические жгуты
защитные оболочки
полимерные оболочки
термоэластопласты
полимерные пленки
свойства оболочек
отлив оболочек
жгуты волоконно-оптические
Properties of coatings of high styrene thermoplastic elastomers and their modifications
Article
ORIGINAL
Sedykh.Properties.pdf
Sedykh.Properties.pdf
application/pdf
207348
https://elib.belstu.by/bitstream/123456789/21094/1/Sedykh.Properties.pdf
de5f8dce12ab5a123d9fc1b4d21b0015
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21094/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Sedykh.Properties.pdf.txt
Sedykh.Properties.pdf.txt
Extracted text
text/plain
17440
https://elib.belstu.by/bitstream/123456789/21094/3/Sedykh.Properties.pdf.txt
4ef67101948fd142a5f001903d9f2a16
MD5
3
123456789/21094
oai:elib.belstu.by:123456789/21094
2020-10-21 10:37:09.536
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210562020-10-21T07:37:06Zcom_123456789_20520com_123456789_118col_123456789_20524
Kovalenko, N. A.
Yantsevich, A. V.
Supichenko, G. N.
Leont’ev, V. N.
2017-06-05T08:31:04Z
2017-06-05T08:31:04Z
2015
Preparation of hypericin enriched St. John's wort extracts / N. A. Kovalenko [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 143-145
https://elib.belstu.by/handle/123456789/21056
Results of solid phase extraction (SPE) of St. John' s Wort extracts were described. In order to obtain the extract the air-dried plant material of Hypericum perforatum L. (cultivar Yantar) grown in the Central Botanical Garden of NAS of Belarus was used. Analysis of the St. John's wort extract solutions was carried out by electronic absorption spectroscopy. It was shown the influence of the nature of the solvent on the spectral characteristics of the ex tract. The sorbent Waters Sep-Pak S18®Vac RC was used for solid-phase extraction. The methanol solutions of different concentrations were used as an eluent system. For SPE metanol fractions absorption and fluorescence spectra were registered. It is shown that the main part of hypericin was eluted with 80% methanol. The values of quantum yields were calculated. These results suggest that solid phase extraction on the non-polar sorbent is a promising way to increase the content of the hypericin in the St. John's Wort extracts.
application/pdf
en
BSTU
зверобой продырявленный
зверобой обыкновенный
твердофазная экстракция
экстракты зверобоя
метанольные фракции
Preparation of hypericin enriched St. John's wort extracts
Article
ORIGINAL
Kovalenko.Preparation.pdf
Kovalenko.Preparation.pdf
application/pdf
221636
https://elib.belstu.by/bitstream/123456789/21056/1/Kovalenko.Preparation.pdf
4ee101d416571a5de2d8d82ba8762a17
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21056/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Kovalenko.Preparation.pdf.txt
Kovalenko.Preparation.pdf.txt
Extracted text
text/plain
10524
https://elib.belstu.by/bitstream/123456789/21056/3/Kovalenko.Preparation.pdf.txt
9d7e1ae3d2967123ed1e0c1a1c52e919
MD5
3
123456789/21056
oai:elib.belstu.by:123456789/21056
2020-10-21 10:37:06.823
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/210812020-10-21T07:37:08Zcom_123456789_20520com_123456789_118col_123456789_20524
Grushova, E. I.
Yurkevich, A. Yu.
Yusevich, A. I.
Malevich, N. N.
Sharif, A. S.
2017-06-05T11:45:42Z
2017-06-05T11:45:42Z
2015
Additives-modifiers for intensification of oil straight-run distillation and heavy petroleum residues oxidation / E. I. Grushova [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 92-94
https://elib.belstu.by/handle/123456789/21081
Native oil atmospheric vacuum distillation in presence of the heavy pyrolysis tar (0.5–5.0 wt %) allows increasing the distillate fractions screening. Structural-group composition of the resulting residual oil product differs from the composition of the residue obtained by fractional distillation of the oil without the additive mostly due to aromatic structur es content increase. The modified residue oxidation runs more slowly and the product with lower melting point is formed.
application/pdf
en
BSTU
аддитивы
атмосферно-вакуумная перегонка
перегонка нефти
прямая перегонка нефти
тяжелая смола пиролиза
окисленные битумы
Additives-modifiers for intensification of oil straight-run distillation and heavy petroleum residues oxidation
Article
ORIGINAL
Grushova.Additives-modifiers.pdf
Grushova.Additives-modifiers.pdf
application/pdf
183011
https://elib.belstu.by/bitstream/123456789/21081/1/Grushova.Additives-modifiers.pdf
27a8c69f92c8dcf7adaa2b04a62f9a82
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21081/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Grushova.Additives-modifiers.pdf.txt
Grushova.Additives-modifiers.pdf.txt
Extracted text
text/plain
11702
https://elib.belstu.by/bitstream/123456789/21081/3/Grushova.Additives-modifiers.pdf.txt
403531a90f9396dbe9a2dc252c489a10
MD5
3
123456789/21081
oai:elib.belstu.by:123456789/21081
2020-10-21 10:37:08.104
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210402020-10-21T07:37:08Zcom_123456789_20520com_123456789_118col_123456789_20524
Nozdryn, P. V.
Lamotkin, S. A.
Kryvonosova, E. V.
2017-06-05T05:25:33Z
2017-06-05T05:25:33Z
2015
Nozdryn, P. V. Development of a new shampoo type with fir essential oil additive / P. V. Nozdryn, S. A. Lamotkin, E. V. Kryvonosova // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 173-176
https://elib.belstu.by/handle/123456789/21040
Samples of 6 shampoos with the addition of experimentally developed fir fragrances were developed in the laboratory. Softwood essential oil of fi r (20%) and synthetic fragrances were used as the main component for the development of new fragrances. Physical-chemical tests have been carried out in order to confirm the quality and safety of new types of shampoos. Consumer evaluation of the developed samples of shampoos was carried out by organoleptic method. The sample of shampoo was de-fined, its development is reasonable as a tast ing item, and in terms of quality and safety.
application/pdf
en
BSTU
шампунь
хвойные отдушки
эфирные масла
эфирное масло пихты
вспомогательные компоненты
состав отдушек
синтетические душистые вещества
Development of a new shampoo type with fir essential oil additive
Article
ORIGINAL
Nozdryn.Development.pdf
Nozdryn.Development.pdf
application/pdf
169608
https://elib.belstu.by/bitstream/123456789/21040/1/Nozdryn.Development.pdf
b44287b0ede43f0345dacfbda109a5d2
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21040/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Nozdryn.Development.pdf.txt
Nozdryn.Development.pdf.txt
Extracted text
text/plain
13077
https://elib.belstu.by/bitstream/123456789/21040/3/Nozdryn.Development.pdf.txt
077ee9b87cc03ad55dae471d99b96014
MD5
3
123456789/21040
oai:elib.belstu.by:123456789/21040
2020-10-21 10:37:08.462
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210832020-10-21T07:37:08Zcom_123456789_20520com_123456789_118col_123456789_20524
Shutova, A. L.
Sabadakha, E. N.
Prokopchuk, N. R.
Khovanskaya, E. I.
2017-06-05T12:06:13Z
2017-06-05T12:06:13Z
2015
Influence of nanodimensional additives injection method on the properties of coatings on the base of modified alkyd and epoxy primers / A. L. Shutova [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 87-91
https://elib.belstu.by/handle/123456789/21083
For the first time influence of the carbon nanotubes obtained by catalyst synthesis in pseudoliquid layer and activated and non-activated carbon nanotubes obtained in high-tension discharge plasma on the mechanical-and-physical and pr otective properties of coating on the base of modified alkyd and epoxy primers was investigated. Carbon nanotubes injection methods in the form of suspension in polar (acetone, cyclohexanone, butanol-1, ethyl cellosolve) and non-polar ( o-dimethylbenzene) solvents for alkyd primers and in the form of suspension in Р -5 А solvent and curing agent for epoxy primer were examined. In all cases the carbon nanotubes suspension in curing agent and solvent was produced by previous dispersion in cell ultrasonic bath during 15 minutes with further mixture during 20 minutes on laboratory dissolver with milling mixer. The investigation showed that modification of the alkyd primer Belakor with carbon nanotubes suspension in polar solvents increases primer properties to a greater degree than carbon nanotubes suspension in non-polar solvents. For epoxy primers it was determined that modification with carbon nanotubes suspension in solvents is more effective than in curing agent. The modification of epoxy primer with carbon nanotubes suspension in curing agent decreases coating properties in many cases, probably because of functional groups adsorption on the surface of carbon nanotubes, which results in under-cured coatings; it can be seen from decreasing hardness, and consequently, protection properties.
application/pdf
en
BSTU
углеродные нанотрубки
алкидные грунтовки
эпоксидные грунтовки
лакокрасочные покрытия
свойства покрытий
Influence of nanodimensional additives injection method on the properties of coatings on the base of modified alkyd and epoxy primers
Article
ORIGINAL
Shutova.Influence.pdf
Shutova.Influence.pdf
application/pdf
229489
https://elib.belstu.by/bitstream/123456789/21083/1/Shutova.Influence.pdf
7f76871ced2bb4fca6f1336aea11a19b
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21083/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Shutova.Influence.pdf.txt
Shutova.Influence.pdf.txt
Extracted text
text/plain
19394
https://elib.belstu.by/bitstream/123456789/21083/3/Shutova.Influence.pdf.txt
d69a9c367ad277110eb2b788df191638
MD5
3
123456789/21083
oai:elib.belstu.by:123456789/21083
2020-10-21 10:37:08.015
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/210782020-10-21T07:37:07Zcom_123456789_20520com_123456789_118col_123456789_20524
Yatsenko, V. V.
Kasperovich, O. M.
Yepishko, P. S.
Prokopovich, I. V.
2017-06-05T11:23:06Z
2017-06-05T11:23:06Z
2015
Defects in layered materials / V. V. Yatsenko [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 98-100
https://elib.belstu.by/handle/123456789/21078
Layered polymeric materials are widely used when receiving thermomoulded articles from thermolayers. Often in such products materials with addition of secondary polymer, and also mixtures polymeric compositions are used. It is connected with that increase in production of plastic products causes need of utilization of the fulfilled products from them. In this work such defects as peelings and cracks, layered products of practical use, namely bathtubs made by a combination of methods of thermoforming sheets of coextruded ABS plastic to polymethyl methacrylate and contact formation by putting premix on them were investigated. Results of research of the samples presented showed truthfulness of the assumption that as raw materials at production of sheets secondary materials were used that led to defect in finished products in the form of stratification and crack.
application/pdf
en
BSTU
слоистые материалы
термоформование
контактное формование
многослойные материалы
листовые заготовки
дефекты изделий
брак изделий
Defects in layered materials
Article
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21078/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
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ORIGINAL
Yatsenko.Defects.pdf
Yatsenko.Defects.pdf
application/pdf
152369
https://elib.belstu.by/bitstream/123456789/21078/3/Yatsenko.Defects.pdf
d7cc34478871f1570c7f17544601a563
MD5
3
TEXT
Yatsenko.Defects.pdf.txt
Yatsenko.Defects.pdf.txt
Extracted text
text/plain
12325
https://elib.belstu.by/bitstream/123456789/21078/4/Yatsenko.Defects.pdf.txt
c5eb44e0e2ba453ca90c8dab4482a779
MD5
4
123456789/21078
oai:elib.belstu.by:123456789/21078
2020-10-21 10:37:07.83
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/210382020-10-21T07:37:08Zcom_123456789_20520com_123456789_118col_123456789_20524
Podorozhniaya, I. V.
Vetokhin, S. S.
Orsik, M. V.
2017-06-05T05:05:39Z
2017-06-05T05:05:39Z
2015
Podorozhniaya, I. V. Sorption isotherms of milk mixture / I. V. Podorozhniaya, S. S. Vetokhin, M. V. Orsik // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 180-182
https://elib.belstu.by/handle/123456789/21038
The article contains a brief description of water activity determination. The impact of water activity on the humidity of the food and it affecting microbial cells are described. Definition and classification of sorption isotherms with a brief description of each type are considered. Sorption isotherms of food materials are generally in sigmoid shape. There are given for each type of sorption isotherms the examples of products that lead the type. Sorption isotherms for products with high humidity are shown. The technology of sample preparation and the experiment conduction are described in detail. It is analyzer Roremeter RM-10 was used in the work. The analyses of inert fillers like cellit powder, which are used when liquid samples, is given. The freezing point of the milk product was measured for liquid (not thick) solutions. Humidity measurement of native samples were carried out by express method with hygrometer Radwag. The initial values of water activity, the freezing temperature, and humidity of the native samples of powdered milk and sterilized milk are given. The sorption isotherms of dairy product of various fat content, when it is produced with sterilized milk or distilled water, are shown. The conclusions about contribution in type of sorption isotherm of sample and it components internals are given.
application/pdf
en
BSTU
изотерма сорбции
активность воды
молочные продукты
молоко сухое
молоко стерилизованное
Sorption isotherms of milk mixture
Article
ORIGINAL
Podorozhniaya.Sorption.pdf
Podorozhniaya.Sorption.pdf
application/pdf
170859
https://elib.belstu.by/bitstream/123456789/21038/1/Podorozhniaya.Sorption.pdf
807fef770eb0a96c3e65735691f45d09
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21038/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Podorozhniaya.Sorption.pdf.txt
Podorozhniaya.Sorption.pdf.txt
Extracted text
text/plain
13868
https://elib.belstu.by/bitstream/123456789/21038/3/Podorozhniaya.Sorption.pdf.txt
749e6905ddb255d61a19f8357cba11fe
MD5
3
123456789/21038
oai:elib.belstu.by:123456789/21038
2020-10-21 10:37:08.287
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210982020-10-21T07:37:09Zcom_123456789_20520com_123456789_118col_123456789_20524
Dolinskaya, R. M.
Prokopchuk, N. R.
Leyzeronok, M. E.
2017-06-06T07:33:08Z
2017-06-06T07:33:08Z
2015
Dolinskaya, R. M. Catalytic hot-setting of urethane oligomers / R. M. Dolinskaya, N. R. Prokopchuk, M. E. Leyzeronok // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 30-33
https://elib.belstu.by/handle/123456789/21098
The polyamide compounds as a curing agent (MOC A) are used for curing to produce synthetic elastomers with programmable properties based on oligomers. It is depermined that MBCA amount in the com position ranges from 11.8 to 19.1 parts by weight per 100 parts by weight polymer depending on the type of urethane rubber. The lifetime of urethane rubber and MOCA during casting at room temperature is about 6–12 minutes. It is shown that a small amount of a carboxylic acid accelerates the curing reaction and reduces the lifetime of the polyurethane rubber in the molding process at room temperature. It is proposed to use adipic acid as the hardening catalyst, while the lifetime of urethane rubber and MOCA is about 6–12 minutes in a molding process at room temperature, and physical and mechanical properties are substantially unchanged. It allows us to obtain molded articles with given set of properties by free casting.
application/pdf
en
BSTU
уретановые олигомеры
каталитическое отверждение
отвердители
полиуретан
полиамидные соединения
полиуретановые композиции
каучуки
катализаторы отверждения
адипиновая кислота
Catalytic hot-setting of urethane oligomers
Article
ORIGINAL
Dolinskaya.Catalytic.pdf
Dolinskaya.Catalytic.pdf
application/pdf
172788
https://elib.belstu.by/bitstream/123456789/21098/1/Dolinskaya.Catalytic.pdf
da3906dd2cd04b7e9b595bb14c79bba3
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21098/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Dolinskaya.Catalytic.pdf.txt
Dolinskaya.Catalytic.pdf.txt
Extracted text
text/plain
13793
https://elib.belstu.by/bitstream/123456789/21098/3/Dolinskaya.Catalytic.pdf.txt
60c738498f44867fa3edcc4d9add51a6
MD5
3
123456789/21098
oai:elib.belstu.by:123456789/21098
2020-10-21 10:37:09.829
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/210902020-10-21T07:37:09Zcom_123456789_20520com_123456789_118col_123456789_20524
Antonevich, I. P.
Katok, Ya. M.
Nesterova, S. V.
2017-06-06T05:30:15Z
2017-06-06T05:30:15Z
2015
Antonevich, I. P. The interaction of (2-fluorophenyl) and (4-fluorophenyl)-(2-nitomethylcyclopentyl)methanone with phenylacetylene / I. P. Antonevich, Ya. M. Katok, S. V. Nesterova // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 66-71
https://elib.belstu.by/handle/123456789/21090
The synthesis of corresponding isoxazoles and unsaturated oximes has been realized via the 1,3-dipolar cycloaddition reaction of phenylacetylene with nitrile oxide s generated from (2-fluorophenyl)-or (4-fluorophenyl)-(2-nitomethylcyclopentyl)methanone by the action of phenyl isocyanate. The synthesized compounds are new fluorinated prostanoids and appear to be of great interest as potential biologically active substances.
application/pdf
en
BSTU
фторсодержащие простаноиды
нитросоединения
нитрилоксиды
изоксазолы
оксимы
The interaction of (2-fluorophenyl) and (4-fluorophenyl)-(2-nitomethylcyclopentyl)methanone with phenylacetylene
Article
ORIGINAL
Antonevich.The interaction.pdf
Antonevich.The interaction.pdf
application/pdf
371947
https://elib.belstu.by/bitstream/123456789/21090/1/Antonevich.The%20interaction.pdf
4e7e88554838e0fa768f57ab2b987039
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21090/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Antonevich.The interaction.pdf.txt
Antonevich.The interaction.pdf.txt
Extracted text
text/plain
19558
https://elib.belstu.by/bitstream/123456789/21090/3/Antonevich.The%20interaction.pdf.txt
4bd13f7056fc1505fd5f05f593d7ae3a
MD5
3
123456789/21090
oai:elib.belstu.by:123456789/21090
2020-10-21 10:37:09.21
Электронная библиотека БГТУ
bibl@belstu.by
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
oai:elib.belstu.by:123456789/210122020-10-21T07:37:10Zcom_123456789_20520com_123456789_118col_123456789_20524
Ignatenko, A. V.
2017-06-02T12:47:27Z
2017-06-02T12:47:27Z
2015
Ignatenko, A. V. Biosorption-biocoagulation detoxification of waste water by active sludge / A. V. Ignatenko // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 183-186
https://elib.belstu.by/handle/123456789/21012
In the article it was described a problem of wast e water purification from heavy metals. It was proposed biosorption-biocoagulation way of water detoxification at primary se ttlers by part of active sludge with the aim to decrease heavy metals influence at water treatment. It was shown that the main part of heavy metals of waste water is in colloid-bound fo rm. At studying sorption properties of periphyton and active sludge at different stages of wa ter treatment it was found that active sludge of 1st, 4th corridors of aero-tank and sludge camera had a maximum bounding capacity to Fe ions. Biological testing of E. gracilis cell’s movement made it clear that toxicity level of waste water in primary settlers decreased 5–6 times after biosorption-biocoagulation detoxification, and purified water satisfied nominative demands on toxicity.
application/pdf
en
BSTU
очистка сточных вод
детоксикация сточных вод
тяжелые металлы
токсичность сточных вод
биотестирование
перифитон
активный ил
биологическая очистка
Biosorption-biocoagulation detoxification of waste water by active sludge
Article
ORIGINAL
Ignatenko.Biosorption.pdf
Ignatenko.Biosorption.pdf
application/pdf
230710
https://elib.belstu.by/bitstream/123456789/21012/1/Ignatenko.Biosorption.pdf
effad86a909246ff02cbfcd7337c9230
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21012/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Ignatenko.Biosorption.pdf.txt
Ignatenko.Biosorption.pdf.txt
Extracted text
text/plain
18159
https://elib.belstu.by/bitstream/123456789/21012/3/Ignatenko.Biosorption.pdf.txt
d6cfbd71106c2ef923930c83c1617d63
MD5
3
123456789/21012
oai:elib.belstu.by:123456789/21012
2020-10-21 10:37:10.107
Электронная библиотека БГТУ
bibl@belstu.by
Tk9URTogUExBQ0UgWU9VUiBPV04gTElDRU5TRSBIRVJFClRoaXMgc2FtcGxlIGxpY2Vuc2UgaXMgcHJvdmlkZWQgZm9yIGluZm9ybWF0aW9uYWwgcHVycG9zZXMgb25seS4KCk5PTi1FWENMVVNJVkUgRElTVFJJQlVUSU9OIExJQ0VOU0UKCkJ5IHNpZ25pbmcgYW5kIHN1Ym1pdHRpbmcgdGhpcyBsaWNlbnNlLCB5b3UgKHRoZSBhdXRob3Iocykgb3IgY29weXJpZ2h0Cm93bmVyKSBncmFudHMgdG8gRFNwYWNlIFVuaXZlcnNpdHkgKERTVSkgdGhlIG5vbi1leGNsdXNpdmUgcmlnaHQgdG8gcmVwcm9kdWNlLAp0cmFuc2xhdGUgKGFzIGRlZmluZWQgYmVsb3cpLCBhbmQvb3IgZGlzdHJpYnV0ZSB5b3VyIHN1Ym1pc3Npb24gKGluY2x1ZGluZwp0aGUgYWJzdHJhY3QpIHdvcmxkd2lkZSBpbiBwcmludCBhbmQgZWxlY3Ryb25pYyBmb3JtYXQgYW5kIGluIGFueSBtZWRpdW0sCmluY2x1ZGluZyBidXQgbm90IGxpbWl0ZWQgdG8gYXVkaW8gb3IgdmlkZW8uCgpZb3UgYWdyZWUgdGhhdCBEU1UgbWF5LCB3aXRob3V0IGNoYW5naW5nIHRoZSBjb250ZW50LCB0cmFuc2xhdGUgdGhlCnN1Ym1pc3Npb24gdG8gYW55IG1lZGl1bSBvciBmb3JtYXQgZm9yIHRoZSBwdXJwb3NlIG9mIHByZXNlcnZhdGlvbi4KCllvdSBhbHNvIGFncmVlIHRoYXQgRFNVIG1heSBrZWVwIG1vcmUgdGhhbiBvbmUgY29weSBvZiB0aGlzIHN1Ym1pc3Npb24gZm9yCnB1cnBvc2VzIG9mIHNlY3VyaXR5LCBiYWNrLXVwIGFuZCBwcmVzZXJ2YXRpb24uCgpZb3UgcmVwcmVzZW50IHRoYXQgdGhlIHN1Ym1pc3Npb24gaXMgeW91ciBvcmlnaW5hbCB3b3JrLCBhbmQgdGhhdCB5b3UgaGF2ZQp0aGUgcmlnaHQgdG8gZ3JhbnQgdGhlIHJpZ2h0cyBjb250YWluZWQgaW4gdGhpcyBsaWNlbnNlLiBZb3UgYWxzbyByZXByZXNlbnQKdGhhdCB5b3VyIHN1Ym1pc3Npb24gZG9lcyBub3QsIHRvIHRoZSBiZXN0IG9mIHlvdXIga25vd2xlZGdlLCBpbmZyaW5nZSB1cG9uCmFueW9uZSdzIGNvcHlyaWdodC4KCklmIHRoZSBzdWJtaXNzaW9uIGNvbnRhaW5zIG1hdGVyaWFsIGZvciB3aGljaCB5b3UgZG8gbm90IGhvbGQgY29weXJpZ2h0LAp5b3UgcmVwcmVzZW50IHRoYXQgeW91IGhhdmUgb2J0YWluZWQgdGhlIHVucmVzdHJpY3RlZCBwZXJtaXNzaW9uIG9mIHRoZQpjb3B5cmlnaHQgb3duZXIgdG8gZ3JhbnQgRFNVIHRoZSByaWdodHMgcmVxdWlyZWQgYnkgdGhpcyBsaWNlbnNlLCBhbmQgdGhhdApzdWNoIHRoaXJkLXBhcnR5IG93bmVkIG1hdGVyaWFsIGlzIGNsZWFybHkgaWRlbnRpZmllZCBhbmQgYWNrbm93bGVkZ2VkCndpdGhpbiB0aGUgdGV4dCBvciBjb250ZW50IG9mIHRoZSBzdWJtaXNzaW9uLgoKSUYgVEhFIFNVQk1JU1NJT04gSVMgQkFTRUQgVVBPTiBXT1JLIFRIQVQgSEFTIEJFRU4gU1BPTlNPUkVEIE9SIFNVUFBPUlRFRApCWSBBTiBBR0VOQ1kgT1IgT1JHQU5JWkFUSU9OIE9USEVSIFRIQU4gRFNVLCBZT1UgUkVQUkVTRU5UIFRIQVQgWU9VIEhBVkUKRlVMRklMTEVEIEFOWSBSSUdIVCBPRiBSRVZJRVcgT1IgT1RIRVIgT0JMSUdBVElPTlMgUkVRVUlSRUQgQlkgU1VDSApDT05UUkFDVCBPUiBBR1JFRU1FTlQuCgpEU1Ugd2lsbCBjbGVhcmx5IGlkZW50aWZ5IHlvdXIgbmFtZShzKSBhcyB0aGUgYXV0aG9yKHMpIG9yIG93bmVyKHMpIG9mIHRoZQpzdWJtaXNzaW9uLCBhbmQgd2lsbCBub3QgbWFrZSBhbnkgYWx0ZXJhdGlvbiwgb3RoZXIgdGhhbiBhcyBhbGxvd2VkIGJ5IHRoaXMKbGljZW5zZSwgdG8geW91ciBzdWJtaXNzaW9uLgo=
oai:elib.belstu.by:123456789/210932020-10-21T07:37:09Zcom_123456789_20520com_123456789_118col_123456789_20524
Myadelets, V. V.
Kasperovich, A. V.
Mozyrev, A. G.
2017-06-06T05:59:37Z
2017-06-06T05:59:37Z
2015
Myadelets, V. V. Investigation of relaxation process in elastomers filled with ground vulcanizate / V. V. Myadelets, A. V. Kasperovich, A. G. Mozyrev // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 53-58
https://elib.belstu.by/handle/123456789/21093
In the paper, the relaxation processes in the el astomeric compositions based on nitrile rubber and filed with ground vulcanizate are studied. The ground vulcanizate is obtained from waste products of molded rubber products. The particle size is 0.63–1.00 mm. The main elastic and stress-strain properties of elasomeric compositions under research are determined. The dependence of the properties on the ground vulcanizate dosage is considered. It is shown that the growth of ground vulcanizate dosage increases the viscosity of the rubber compounds. At the same time the stress relaxation rate was practically not changed. The processes of compression and tension stress relaxation in vulcanizates are studied. It is revealed that the nature of the process of physical relaxation does not change with increasing the dosage of the ground vulcanizate. There is the growth of the modulus with the increasing of the filler dosage. It is determined that the degree of stress relaxation in tensile strain is practically independent on the do sage of the filler and it has an extreme character for the compressed samples. It is shown that the use of ground vulcanizate as a filler for elastomeric compositions based on NBR can slow processes of the chemical stress relaxation in the elastomeric matrix, as well as it can improve the physical and mechanical properties of vulcanizates. The results of studies suggest that ground vulcanizate can be used as a filler for sealing rubber.
application/pdf
en
BSTU
эластомерные композиции
измельченный вулканизат
бутадиен-нитрильный каучук
реологические свойства
релаксация напряжений
деформация сжатия
резиновые смеси
Investigation of relaxation process in elastomers filled with ground vulcanizate
Article
ORIGINAL
Myadelets.Investigation.pdf
Myadelets.Investigation.pdf
application/pdf
351663
https://elib.belstu.by/bitstream/123456789/21093/1/Myadelets.Investigation.pdf
c03cda1868fef48c071c325517c3f995
MD5
1
LICENSE
license.txt
license.txt
text/plain; charset=utf-8
1748
https://elib.belstu.by/bitstream/123456789/21093/2/license.txt
8a4605be74aa9ea9d79846c1fba20a33
MD5
2
TEXT
Myadelets.Investigation.pdf.txt
Myadelets.Investigation.pdf.txt
Extracted text
text/plain
20618
https://elib.belstu.by/bitstream/123456789/21093/3/Myadelets.Investigation.pdf.txt
79ef55471d0311c360c95fb20b8495a8
MD5
3
123456789/21093
oai:elib.belstu.by:123456789/21093
2020-10-21 10:37:09.443
Электронная библиотека БГТУ
bibl@belstu.by
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oai:elib.belstu.by:123456789/210962020-10-21T07:37:09Zcom_123456789_20520com_123456789_118col_123456789_20524
Chichvarin, A. V.
Igumenova, T. I.
Prokopchuk, N. R.
Vishnevskiy, K. V.
2017-06-06T07:14:52Z
2017-06-06T07:14:52Z
2015
Synthesis and research of biological activity of adduct of the fullerenes and indolebutyric acid mixture / A. V. Chichvarin [et al.] // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2015. – P. 39-43
https://elib.belstu.by/handle/123456789/21096
The possibility of synthesis of new growth regulators based on carbon fulleren and a 2-indole-3 of oleic acid and research of influence of the received adducts on plant cells (wheat “Kharkovskaja 39”) and mushrooms cells (Kuehneromyces mutabilis (sheathed woodtuft), Lentinula edodes (shiitake), Ganoderma lucidum (lingzhi mushroom), Flammulina velutipes (enokitake) is considered in the work. The received products, being in general electroneutral, represent the tsvitter-ions possessing unlimited solubility in water and ethyl alcohol that facilitates their use in microdosages for regulation of plants growth. The conducted experiments indicate high biological activity of the received substance that allows us to consider it as the new effective regulator of growth of complex action.
application/pdf
en
BSTU
углеродные фуллерены
индолилмасляная кислота
регуляторы роста
аддукты
синтез аддуктов
биологическая эффективность
Synthesis and research of biological activity of adduct of the fullerenes and indolebutyric acid mixture
Article
ORIGINAL
Chichvarin.Synthesis.pdf
Chichvarin.Synthesis.pdf
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LICENSE
license.txt
license.txt
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https://elib.belstu.by/bitstream/123456789/21096/2/license.txt
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TEXT
Chichvarin.Synthesis.pdf.txt
Chichvarin.Synthesis.pdf.txt
Extracted text
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https://elib.belstu.by/bitstream/123456789/21096/3/Chichvarin.Synthesis.pdf.txt
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123456789/21096
oai:elib.belstu.by:123456789/21096
2020-10-21 10:37:09.681
Электронная библиотека БГТУ
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