Zobrazeno 1 - 10
of 272
pro vyhledávání: '"A. I. Prokof'ev"'
Publikováno v:
Radiophysics and Quantum Electronics. 61:127-134
We develop the theory of a three-mirror echelette traveling-wave resonator with frequency tuning, in which one of the mirrors is an echelette reflective diffraction grating. The theory makes it possible to allow for the diffraction loss related to fi
Autor:
E. N. Degtyarev, A. I. Prokof’ev, V. G. Krasovskii, Sergey S. Abramchuk, Vitaliy G. Shevchenko, Tatiana A. Akopova, Mikhail I. Buzin, A. I. Aleksandrov, A. A. Dubinskii, G.V. Cherkaev
Publikováno v:
Polymer Science, Series B. 59:97-108
The synthesis, structure, and electrophysical properties of a polymer-inorganic biocompatible composite based on unsaturated chitosan ether, namely, allyl chitosan, and vinyltriethoxysilane are studied. During composite synthesis, allyl chitosan form
Autor:
A. I. Prokof’ev, Sergey S. Abramchuk, I. A. Aleksandrov, A. A. Dubinskiy, E. N. Degtyarev, S. B. Zezin, A. I. Aleksandrov
Publikováno v:
Russian Journal of Physical Chemistry B. 10:69-76
Superradiance induced by the rheological explosion of composites based on polystyrene, cobalt acetylacetonate, and/or 3,5-di-tert-butylcatechol has been investigated. The superradiance intensity is determined by solid-phase chemical reactions induced
Publikováno v:
Eksperimental'naia i klinicheskaia farmakologiia. 79(5)
Cardiac contractility in rats was decreased after 24-h immobilization-painful stressing, as indicated by lower growth rate of myocardium contraction and relaxation, LVP, heart rate, and maximum functioning intensity (MIF) in comparison to intact grou
Autor:
A. R. Bykov, A. S. Shestakov, O. G. Androsova, T. N. Poyarkova, V. A. Kuznetsov, Y. I. Prokof'ev
Publikováno v:
Research in Agricultural Engineering. 61:111-115
Prokof’ev Y.I., Poyarkova T.N., Bykov A.R., Shestakov A.S., Kuznetsov V.A., Androsova O.G. (2015): Influence of the isolation method of the soapstock fatty component on its characteristics. Res. Agr. Eng., 61: 111–115. From soapstock, which is a
Autor:
Mikhail V. Shchemelev, G. I. Prokof'ev
Publikováno v:
Automatic Control and Computer Sciences. 49:67-75
The problem of material stability at nongeodesic trajectories upon placing fibers on arbitrary smooth surfaces is considered. A problem of stable reinforcement trajectory synthesis is posed; a method of its solution is suggested and studied by comput
Autor:
Askhat G. Ibragimov, K. I. Prokof’ev, Usein M. Dzhemilev, L. V. Mudarisova, N. N. Makhmudiyarova
Publikováno v:
Russian Journal of Organic Chemistry. 49:658-662
Efficient procedure was developed for 3-hetaryl-1,5,3-dithiazepanes and 3-hetaryl-1,5,3-dithiazocanes preparation from hetarylamines, N,N,N′,N′-tetramethylmethanediamine, and α,ω-alkanedithiols (ethane-1,2-dithiol, propane-1,3-dithiol), and als
Autor:
N. N. Makhmudiyarova, Askhat G. Ibragimov, Usein M. Dzhemilev, L. V. Mudarisova, K. I. Prokof’ev
Publikováno v:
Russian Journal of Organic Chemistry. 49:750-753
Efficient synthetic procedure was developed for 3-aryl(hetaryl)-1,5,3-dioxazepanes consisting in the transamination of 3-tert-butyl-1,5,3-dioxazepane with arylamines and also by the reaction of 1,2-ethanediol with N,N-bis(methoxymethyl)aryl(hetaryl)a
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