Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Yu. A. Prokof'ev"'
Autor:
G. V. Kudrina, A. V. Tarasova, Yu. I. Prokof’ev, E. V. Sotnikova, A. S. Shestakov, T. N. Poyarkova
Publikováno v:
Russian Journal of Applied Chemistry. 86:200-205
Qualitative and quantitative compositions of soap stock were estimated by analytical methods and gas-liquid chromatography. The fat component of soap stock was isolated by conversion of the oil-in-water emulsion of the waste into that of the water-in
Publikováno v:
Russian Journal of Applied Chemistry. 85:1259-1263
Emulsifiers were prepared by base saponification of sunflower-seed oil production waste, soapstock. The rate of styrene polymerization in the presence of these surfactants and various amounts of an initiator (potassium persulfate) was estimated. The
Publikováno v:
Russian Journal of Applied Chemistry. 85:651-655
Modes in which the fat component of the soap stock emulsion is extracted under heating and introduction of various nonionogenic surfactants and electrolytes were studied. The compression isotherms of the soap stock and its mixtures with OP-7 and NaCl
Autor:
A. Yu. Misharin, D. V. Ignatov, N. V. Medvedeva, O. M. Ipatova, Yu. I. Prokof'ev, Vladimir P. Timofeev
Publikováno v:
Russian Journal of Bioorganic Chemistry. 29:390-394
Treatment of 18β-glycyrrhizic acid with a methanolic solution of HCl resulted in 1 : 1 mixture of methyl esters of 18α- and 18β-glycyrrhetinic acids. Benzoylation of the mixture led to methyl esters of 3-benzoyl-18α-glycyrrhetinic acid and 3-benz
Publikováno v:
Hydrotechnical Construction. 32:275-279
1. Existing recommendations on the design, construction, and operation of waste dumps for industrial establishments do not correspond to requirements of nature-preserving legislation; this gives rise to the need for development of a unified regulator
Macedonia is located in the Serbian–Macedonian sector of the Eurasian Tethys metallogenic belt (Fig. 1). Mineralization related to Cenozoic activation in this area is expressed in the formation of a volcanoplutonic complex in the dispersed spreadin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d927c325eb1549fa4dab804b9bdf9f6
http://eprints.ugd.edu.mk/1590/
http://eprints.ugd.edu.mk/1590/
Publikováno v:
Strength of Materials. 22:212-216
The results are given of an investigation of low-cycle fatigue of the austenite class 03Kh20N45M4BCh chromium alloy, realized in its application to the selection of materials for the manufacture of structural elements of the thermonuclear reactor dis
Autor:
D. V. Ignatov, Yu. I. Prokof'ev, O. M. Ipatova, V. P. Timofeev, N. V. Medvedeva, A. Yu. Misharin
Publikováno v:
Russian Journal of Bioorganic Chemistry; Jul2003, Vol. 29 Issue 4, p390-394, 5p
Publikováno v:
Russian Journal of Bioorganic Chemistry; Mar2004, Vol. 30 Issue 2, p184-190, 7p
Autor:
Vikentyev, I. V., Bortnikov, N. S.
Publikováno v:
Geology of Ore Deposits; Oct2024, Vol. 66 Issue 5, p477-483, 7p