Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Olga Yugay"'
Autor:
Pavel Vorobyev, Tatyana Mikhailovskaya, Olga Yugay, Anna Serebryanskaya, Nikolay Chukhno, Aldan Imangazy
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 37, Iss 3, Pp 81-89 (2018)
The reaction of gas-phase oxidation of 4-methylpyridine on individual V2O5, binary and ternary vanadium-oxide catalysts was studied. These catalysts were modified by additives of SnO2 and TiO2. It was found that modifying V2O5 leads to increase the a
Externí odkaz:
https://doaj.org/article/cc4c42d82a404985a10791fff16291b5
Publikováno v:
Journal of the Serbian Chemical Society, Vol 85, Iss 4, Pp 427-437 (2020)
Oxidative ammonolysis of 3,4-dimethylpyridine on an individual vanadium oxide (V2O5) catalyst and binary vanadium oxide catalysts, modified by additions of SnO2 and ZrO2, has been studied. A connection between ??- acidity of the methyl groups of the
Autor:
Pavel Vorobyev, T. P. Mikhailovskaya, Raya Kurmakyzy, Olga Yugay, Anna Serebryanskaya, Nikolay Chukhno, L. I. Saurambaeva
Publikováno v:
Journal of the Serbian Chemical Society, Vol 82, Iss 7-8, Pp 791-801 (2017)
Upon modification of V2O5 with SnO2 or ZrO2, increase in the activity and selectivity of the vanadium-oxide catalyst in the vapor-phase oxidation of 3-methylpyridine into nicotinic acid were observed. It was shown that the promoting effects of SnO2 a
Autor:
A. P. Serebryanskaya, P. B. Vorobyev, L. I. Saurambaeva, T. P. Mikhailovskaya, I. A. Shlygina, Olga Yugay
Publikováno v:
Russian Journal of Applied Chemistry. 87:887-894
Modification of V2O5 with Ti, Sn, Zr, Nb, and Al oxides improves the activity and selectivity of the vanadium oxide catalyst in vapor-phase oxidation of β-picoline to give nicotinic acid. It is shown that the conversion of β-picoline and the yield
Publikováno v:
Russian Journal of Applied Chemistry. 85:191-195
Catalytic properties of vanadium-titanium-tin oxides catalysts of various compositions were studied in oxidative ammonolysis of 3- and 4-methylpyridines.
Autor:
T. P. Mikhailovskaya, Pavel Vorobiov, Olga Yugay, Dauren Chamitovitch Sembaev, L. I. Saurambaeva
Publikováno v:
Reaction Kinetics, Mechanisms and Catalysis. 105:373-379
The effect of ZrO2 and ZrV2O7 on the polymorphic transformation of anatase to rutile in the TiO2–V2O5, TiO2–ZrO2, TiO2–ZrV2O7, and V2O5–TiO2–ZrO2 systems has been investigated. It is shown that the temperature and duration of the heat treat
Publikováno v:
Journal of the Korea Academia-Industrial cooperation Society. 11:2269-2275
The performance of Genetic Algorithms (GA) is affected by various factors such as parameters, genetic operators and strategies. The traditional approach with random initial population is efficient however the whole initial population may contain many
Autor:
T. P. Mikhailovskaya, Dauren Chamitovitch Sembaev, Olga Yugay, Faina Alekseevna Ivanovskaya, L. I. Saurambaeva
Publikováno v:
Reaction Kinetics and Catalysis Letters. 93:211-217
An effect of some metal oxides on the polymorphic transformation of anatase into rutile and on the rate of dissociation of V2O5 in the systems V2O5-TiO2 and V2O5-TiO2-MexOy has been studied, where MexOy is SnO2, WO3, Cr2O3 or ZrO2.
Publikováno v:
Proceedings of the 2015 International Conference on Big Data Applications and Services.
The aim of this paper is to present the ongoing research on the use of social media in higher education. The paper introduces a method of evaluating and predicting potential number of applicants by means of social media in order to optimize related c
Publikováno v:
Eurasian Chemico-Technological Journal , Vol 6, Iss 2, Pp 127-131 (2004)
The vapor phase oxidation of 2-methyl-5-ethylpyridine (MEP) on modified vanadium oxide catalyst has been investigated. Di(5-ethyl)-2-pyridil, 2-methyl-5-acethylpyridine and 3-acethylpyridine have been identified as intermediates of MEP oxidation by N