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1.
The results of studying the effect of nontraditional additives, namely, metallic aluminum and zinc powders on the process
of silicate and glass formation using polythermal and thermogravimetric analysis, are described. The specifics of the glass-melting
process for decorative glasses using the nontraditional additives are considered.
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Translated from Steklo i Keramika, No. 5, pp. 7 – 10, May, 2005. 相似文献
2.
D. V. Lopatik O. M. Bondareva I. F. Osipenko T. N. Sidorenko A. P. Gorbatenko N. G. Galakova N. R. Prokopchuk 《Fibre Chemistry》1993,24(2):137-139
Conclusions It has been shown that the use of the industrial S-1 thermostabilizer in the synthesis of polyethylene terephthalate aids in obtaining high molecular polymer with an improved thermal stability and an increased degree of crystallinity.The effect of S-1 thermostabilizer on the physicomechanical properties complex polyester yarns has been studied. It has been found that with time, the complex yarns obtained undergo structural changes which lead to a decrease in the initial strength characteristics.Institute of Physicoorganic Chemistry, Academy of Sciences of Byelorussia. Mogilevskii Khimvolokno PO. Translated from Khimicheskie Volokna, No. 2, pp. 41–42, March–April, 1992. 相似文献
3.
Deriagina VP Golubkina NA Ryzhova NI Reshetnikova IA Mikhaĭlovskiĭ NIa Pyshnaia ON Bondareva NV 《Voprosy pitaniia》2010,79(5):40-45
Effect of sweet pepper enriched and non-enriched with Se on Ehrlich carcinoma growth at Balb/c mice was investigated. 1000 mg/kg of both preparations of sweet pepper (per os administration for mice of 9 months age) inhibited an early stage of tumour growth on 42-62% and 37-65% respectively. No effect on tumour growth was registered for 4 months mice. 相似文献
4.
L. G. Bondareva 《Radiochemistry》2012,54(1):98-104
The distribution of artificial radionuclides between size fractions of the suspended matter in the bulk of the water stream
of the Yenisei River near the Mining and Chemical Combine discharge sites was studied. The majority of radionuclides in the
region of the discharge site were found to occur in the form of soluble salts or colloids with the particle size smaller than
0.2 μm. With an increase in the distance from the discharge site, the radionuclides undergo redistribution with the formation
of coarser suspended particles due to coagulation. This fact was confirmed by mathematical simulation. 相似文献
5.
G. I. Bondareva 《Russian Engineering Research》2011,31(9):853-855
A mathematical model is proposed for the residual-stress redistribution in plasma-sprayed coatings on melting. 相似文献
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9.
The distribution of residual tritium in organs of Carassius gibelio (Prussian carp) freshwater rayfinned fish as a representative of the Carassius phytophagous genus of Cyprinidae family was studied for determining the 3Н accumulation in the aquatic plants–fishes food chain in water bodies contaminated with radionuclides. In the first step, tritium was accumulated by 3000 g (wet weight) of the aquatic plant biomass in aquaria of 100 L volume with the specific water activity of 100 kBq L–1. The aquatic plants were shown to actively take up the introduced tritium, accumulating up to 70% of the radionuclide. The content of tritium bound to organics in the biomass increased to 21% of the whole accumulated tritium. After that, the plants (Ceratophyllum, Lemna) were dried and mixed with dry fish fodder (1: 1), and the mixture was pressed in granules. The activity of each granule was up to 50 Bq. These granules were used for forced feeding of fishes, so that each individual took up in the course of the 550-day experiment up to 330 kBq of tritium. According to the analysis results, about 75% of the whole amount of the accumulated tritium was present in muscle tissues. Determination of the tritium content of proteins and lipids in the experimental systems revealed no differences in the use of Ceratophyllum and Lemna as fodder. 相似文献
10.
Bondareva G. I. Temasova G. N. Leonov O. A. Shkaruba N. Zh. Vergazova Yu. G. 《Russian Engineering Research》2022,42(2):151-154
Russian Engineering Research - A method is outlined for calculating the components responsible for external defects in manufacturing. A classical quality-control tool is employed to analyze the... 相似文献