Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Irina V. Korolkova"'
Autor:
Victor V. Verpekin, Oleg S. Chudin, Anatoly I. Rubaylo, Galina V. Burmakina, Alexander A. Kondrasenko, Irina V. Korolkova, Dmitry V. Zimonin
Publikováno v:
Journal of Siberian Federal University. Chemistry. :489-498
The binuclear μ-vinylidene complexes containing an isocyanide ligand (1-(isocyanomethylsulfonyl)-4-methylbenzene) Cp(CO)2RePt(μ-C=CHPh)(TosMIC)(L) [L = PPh3 (1), P(OPri)3 (2)] were synthesized for the first time. The approach afforded 1 and 2 based
Autor:
Xing Fan, Irina V. Korolkova, Nikolay V. Perminov, Liudmila I. Kuznetsova, B. Avid, Petr N. Kuznetsov
Publikováno v:
Journal of Siberian Federal University. Engineering & Technologies. :1018-1027
The effect of hydrorefining of heavy coal semicoking tar on its composition and efficiency for bituminous coal dissolution was studied. It was found that the concentration of the oxygen-bearing compounds decreased as a result of catalytic hydrotreati
Autor:
Yuriy N. Malyar, Irina V. Korolkova, Natal'ya Yur'yevna Vasil'yeva, Svetlana A. Kuznetsova, Galina P. Skvortsova, Aleksandr S. Kazachenko
Publikováno v:
chemistry of plant raw material. :5-15
In this work, we optimized the process of sulfating abies ethanol lignin with complexes of sulfuric anhydride with pyridine and 1,4-dioxane. Experimentally found are the conditions for the implementation of the process of sulfation of abies ethanol l
Autor:
Anton Karacharov, Olga Yu. Fetisova, Galina N. Bondarenko, Irina V. Korolkova, G. P. Skvortsova, Yuriy N. Malyar, Aleksandr S. Kazachenko, Natalya Yu. Vasilyeva, Aleksandr V. Antonov
Publikováno v:
Biomass Conversion and Biorefinery. 12:2705-2714
The “green” synthesis of galactomannan sulfates using a sulfamic acid–urea mixture has been studied for the first time. The effect of the time and temperature of the galactomannan sulfation process on the degree of substitution of galactomannan
Publikováno v:
chemistry of plant raw material. :373-380
The method of preparation of organo-mineral fertilizer with increased resistance to mineral components leaching by water, based on the impregnation of support from abies bark by water solution of potassium nitrate, zinc, copper and magnesium sulphate
Autor:
S. I. Tsyganova, Oxana P. Taran, G. N. Bondarenko, Irina V. Korolkova, G. P. Skvortsova, O. Yu. Fetisova, Alexander Romanchenko
Publikováno v:
Russian Journal of Applied Chemistry. 93:672-678
The possibility of using aspen bark modified with zinc and iron chlorides for preparing highly porous materials with specific properties was examined. The effect of the treatment temperature and modifiers on the structural and electrochemical paramet
Autor:
Alexander S. Kazachenko, Irina V. Korolkova, Maxim A. Lutoshkin, Galina P. Skvortsova, Nikolai G. Maximov, Alexander V. Levdansky, Boris N. Kuznetsov, Natalia Yu. Vasilyeva
Publikováno v:
Journal of Siberian Federal University. Chemistry. :142-152
For the first time water soluble copper-containing polymers based on sulfated ethanol lignin of abies wood were obtained by the method of ion exchange. Their composition and structure were studied with the use of elemental and chemical analysis, infr
Autor:
Svetlana A. Schislenko, Boris N. Kuznetsov, Svetlana A. Kuznetsova, Galina P. Skvortsova, Nikolai V. Chesnokov, Irina V. Korolkova, Anastasya A. Moroz
Publikováno v:
Journal of Siberian Federal University. Chemistry. :122-132
Methods have been developed for the preparation of enterosorbents by treating crushed abies bark with the 1.5% aqueous of NaOH solution or by extraction with hexane. It was found that all obtained enterosorbents have good sorption properties with res
Autor:
Irina V. Korolkova, V. V. Patrushev, Yu. L. Mikhlin, G. N. Bondarenko, A. M. Zhizhaev, S. I. Tsyganova
Publikováno v:
Russian Journal of Physical Chemistry A. 88:1762-1766
The state of gold deposited from a chloride solution on the surface of the porous magnetite-carbon composite obtained from modified birch saw dust at 400 and 800°C was studied by electron microscopy, X-ray photoelectron spectroscopy, and XRD analysi
Autor:
G. N. Bondarenko, V. F. Kargin, D. A. Velikanov, Irina V. Korolkova, O. Yu. Fetisova, S. I. Tsyganova
Publikováno v:
Russian Journal of Applied Chemistry. 84:2131-2136
Double modification of birch wood sawdust was performed with the aim to prepare porous carbon materials with magnetic properties.