Zobrazeno 1 - 10
of 15
pro vyhledávání: '"S. A. Pokryshkin"'
Publikováno v:
Russian Journal of Applied Chemistry. 94:337-346
Gas chromatography-mass spectrometry was used to study the composition of the degradation products of ionic liquids and wood released into the vapor phase during the dissolution of lignocellulosic biomass in 1-butyl-3-methylimidazolium acetate and me
Autor:
D. I. Falev, S. A. Pokryshkin, S. L. Shestakov, Anna V. Faleva, Aleksandr Yu. Kozhevnikov, Julia A. Popova
Publikováno v:
Journal of Wood Chemistry and Technology. 40:178-189
Along with cellulose, lignin is one of the most common polymers of plant origin. Numerous studies show that the complex and irregular structure of lignin is still unknown. First of all, the existin...
Autor:
J. Chen, Elena A. Detenchuk, O. V. Polyakova, S. A. Pokryshkin, Polonca Trebše, Albert T. Lebedev
Publikováno v:
Journal of Analytical Chemistry. 74:1271-1276
Disinfection is an essential technological stage in water treatment. It is used not only for potable water but also for, e. g., swimming pool water. Water chlorination is the most common method for eliminating microorganisms today. However, active ch
Autor:
Irina S. Shavrina, A. D. Ivakhnov, I. I. Pikovskoi, Dmitry S. Kosyakov, S. A. Pokryshkin, Nikolay V. Ul'yanovskii
Publikováno v:
Russian Journal of Physical Chemistry B. 13:1147-1149
—The thermal stability of methanol, ethanol, 2-propanol, and acetic acid, which are most suitable for depolymerization of technical lignins into low-molecular aromatic compounds, was studied under supercritical conditions. 2-Propanol was found to b
Autor:
V. P. Lutoev, Yu. V. Glukhov, I. Kh. Shumilov, L. S. Kocheva, A. P. Karmanov, S. A. Pokryshkin
Publikováno v:
Доклады Академии наук. 486:455-459
The results of investigation of organic matter chemical structure of the coal-similar wood of Devonian and Jurassic geological periods by the methods of IR-, EPR-, chromate-masses-spectrometry and element analysis are presented. It is shown that the
Autor:
L. S. Kocheva, Yu. V. Glukhov, S. A. Pokryshkin, V. P. Lutoev, I. Kh. Shumilov, A. P. Karmanov
Publikováno v:
Doklady Earth Sciences. 486:634-637
The results of studies of the chemical structure of organic matter in Devonian and Jurassic carbonized wood using IR, ESR, and GC–MS techniques along with elemental analysis are presented. It is shown that the examined samples consist of metamorphi
Autor:
O. V. Polyakova, Nikolay V. Ul'yanovskii, T.B. Latkin, Dmitry S. Kosyakov, Albert T. Lebedev, Valeria R. Berzhonskis, S. A. Pokryshkin
Publikováno v:
Environmental pollution (Barking, Essex : 1987). 266(Pt 1)
Studies of the chemical composition of atmospheric aerosols, rain water and snow in various regions of the globe quite often show the presence of pyridine and a number of its low mass derivatives. Nevertheless, the sources of those compounds in the e
Autor:
O. V. Polyakova, A. A. Chugunova, Polonca Trebše, S. A. Pokryshkin, Mojca Bavcon Kralj, Albert T. Lebedev, Viatcheslav B. Artaev
Publikováno v:
Journal of Analytical Chemistry. 72:1369-1374
Disinfection is an important step in the purification of drinking and swimming pool water. The most common procedure includes chlorination, which efficiently eliminates microorganisms. However, the reaction of active chlorine with dissolved organic m
Autor:
Marina P. Semushina, A. Yu. Kozhevnikov, S. L. Ul’yanovskaya, A. V. Ladesov, S. A. Pokryshkin, Dmitry S. Kosyakov, I. I. Pikovskoi
Publikováno v:
Russian Journal of Applied Chemistry. 90:516-521
Application of the oxidative modification of sulfate kraft lignin with sodium periodate under mild conditions is suggested in order to obtain a sorbent for detoxication of spillage places of rocket fuels based on 1,1-dimethylhydrazine and to purify w
Autor:
N. I. Bogdanovich, S. A. Pokryshkin, A. P. Karmanov, Albert Vladimirovich Kanarsky, Natalia Gelievna Rachkova, Vladimir A. Belyy, L. S. Kocheva, Eduard Ilyasovich Semenov
Publikováno v:
Polymer. 220:123571
This article presents the features of macromolecular structure of lignins of wheat and cabbage, as well as the relations of lignin structure with practically important properties. The methods of sedimentation-diffusion analysis and capillary viscomet