26 Result(s)

Article

Investigation of a high-current gaseous discharge in a longitudinal magnetic field

A gaseous discharge in deuterium at currents reaching 700 kiloamps in longitudinal magnetic fields up to 12,000 gauss has been investigated. The effect of the field on the development of the discharge has been...

A. L. Bezbatchenko, I. N. Golovin, D. P. Ivanov… in The Soviet Journal of Atomic Energy (1956)

Article

Superconductive toroidal solenoid of Tokamak-7

Our tests have shown that the superconductive magnetic system of the T-7 unit is operative and that the main design and circuit features adopted on the basis of preliminary investigations are appropriate. In p...

D. P. Ivanov, V. E. Keilin, B. A. Stavisskii, N. A. Chernoplekov in Soviet Atomic Energy (1978)

Article

Problems and results of T-15 SOTP working unit testing

N. A. Chernoplekov, I. O. Anashkin, D. P. Ivanov, G. I. Kiknadze… in Soviet Atomic Energy (1989)

Article

Effect of conductor defects on the performance of a superconducting magnet

A. N. Zhuravlev, D. P. Ivanov, S. A. Lelekhov in Soviet Atomic Energy (1990)

Article

Mechanism of Coke Influence on the Catalytic Activity of FeZSM-5 in the Reaction of Benzene Oxidation into Phenol

The influence of coke formation in the reaction of benzene oxidation by nitrous oxide into phenol on the catalytic activity and concentration of iron-containing active sites (α-sites), which are stabilized in ...

D. P. Ivanov, M. A. Rodkin, K. A. Dubkov, A. S. Kharitonov… in Kinetics and Catalysis (2000)

Article

The effect of supports (Al₂O₃, Al₂O₃-CeO₂ and Al₂O₃-CeZrO₂) on the nature of gold-species in supported gold catalysts

This work is concerned with the study of Au specimens produced by gold deposition on nanosized mixed oxides (alumina, ceria, zirconia) prepared by the sol-gel method using organometallic precursors. According ...

A. V. Simakov, V. V. Kriventsov… in Journal of Surface Investigation. X-ray, S… (2010)

Article

Liquid-phase hydroamination of cyclohexanone

Activity and selectivity of supported Ni, Pt, and Pd catalysts were studied in the liquidphase reductive amination of cyclohexanone at temperatures ranging from 100 to 150 °C. The catalyst 20% Ni/SiO₂ is most act...

D. P. Ivanov, K. A. Dubkov, D. E. Babushkin, L. V. Pirutko… in Russian Chemical Bulletin (2010)

Article

Study of the local structure of supported nanostructural platinum catalysts

The possibility of controlling the state of platinum deposited on the support surface via minor changes in the catalyst preparation procedure is demonstrated using a series of highly dispersed Pt/γ-Al₂O₃ catalyst...

I. É. Beck, V. V. Kriventsov, D. P. Ivanov… in Journal of Structural Chemistry (2010)

Article

Modification of the organic matter of boghead with nitrous oxide

The modification of the organic matter of boghead with nitrous oxide at elevated temperature and pressure was studied. It was found that unselective carbonylation observed in reactions with synthetic polymers ...

Yu. F. Patrakov, S. A. Semenova, N. I. Fedorova, D. P. Ivanov in Solid Fuel Chemistry (2010)

Article

Modification of the organic matter of brown coals with nitrous oxide

The results of the treatment of brown coals from the Kansk-Achinsk Basin in an atmosphere of nitrous oxide are given. It was established that the main products of nitrous oxide interaction with the organic mat...

Yu. F. Patrakov, S. A. Semenova, N. I. Fedorova, D. P. Ivanov… in Solid Fuel Chemistry (2012)

Article

Phenol hydroxylation with nitrous oxide

Phenol hydroxylation with nitrous oxide opens up a new, promising way to the gas-phase synthesis of dihydroxybenzenes, which are among the most important semiproducts of contemporary organic chemistry. A proce...

D. P. Ivanov, L. V. Pirutko in Catalysis in Industry (2012)

Article

Modification of coal tar by nitrous oxide

The modification of coal tar by nitrous oxide is considered. Preliminary N₂O treatment of the tar increases the yield of light distillate fractions and reduces the content of unsaturated indene compounds and poly...

S. A. Semenova, D. P. Ivanov, O. M. Gavrilyuk, N. I. Fedorova… in Coke and Chemistry (2012)

Article

Interaction of Nylon Cord with a Polymer—Oligomer—Solvent System

The interphase interaction of nylon cord 23RYNC with a polymer—oligomer—solvent system was investigated in order to predict the properties of resin—cord composites. It was found that functional oligodienes at ...

V. D. Voronchikhin, N. A. Shabunina, A. S. Lazareva, K. A. Dubkov… in Fibre Chemistry (2014)

Article

Phenol oxidation by nitrous oxide: The role of zeolite catalyst acidity

Gas-phase phenol oxidation using nitrous oxide on zeolite catalysts is of great interest as an alternative method of dihydroxybenzene (DHB) synthesis. Catalysts for conducting this reaction with high selectivi...

D. P. Ivanov, A. S. Kharitonov, L. V. Piryutko in Catalysis in Industry (2015)

Article

Current-carrying element based on second-generation high-temperature superconductor for the magnet system of a fusion neutron source

Application of current-carrying elements (CCEs) made of second-generation high-temperature superconductor (2G HTS) in magnet systems of a fusion neutron source (FNS) and other fusion devices will allow their m...

M. S. Novikov, D. P. Ivanov, S. I. Novikov, S. A. Shuvaev in Physics of Atomic Nuclei (2015)

Article

Tokamak DEMO-FNS: Concept of magnet system and vacuum chamber

The level of knowledge accumulated to date in the physics and technologies of controlled thermonuclear fusion (CTF) makes it possible to begin designing fusion—fission hybrid systems that would involve a fusio...

E. A. Azizov, S. S. Ananyev, V. A. Belyakov, E. N. Bondarchuk… in Physics of Atomic Nuclei (2016)

Article

Use of carbon–oligomer filler prepared from rubbers reclaimed with dinitrogen monoxide as a component of elastomer compounds

Samples of carbon–oligomer filler prepared by ketonization of tire rubber crumb with dinitrogen monoxide were characterized. The effect of the oligomeric component of the filler on the kinetic parameters of cr...

V. D. Voronchikhin, M. A. Khudolei, K. A. Dubkov… in Russian Journal of Applied Chemistry (2017)

Article

New methods for the preparation of high-octane components from catalytic cracking olefins

A new method has been suggested for the preparation of high-octane components from the butane–butylene fraction (BBF) in two stages. At the first stage, the BBF olefins are oxidized with N₂O into carbonyl compoun...

A. S. Kharitonov, D. P. Ivanov, M. V. Parfenov, L. V. Piryutko… in Catalysis in Industry (2017)

Article

Hydrodeoxygenation of methyl-substituted ketones using the composite loading of hydrogenation and dehydration catalysts

The hydrogenation/hydrodeoxygenation of methyl-substituted carbonyl compounds to preserve the isomeric structure of a product is one way of controlling its amount of oxygen and improving the chemical stability...

D. P. Ivanov, A. S. Kharitonov, L. V. Pirutko, A. S. Noskov… in Catalysis in Industry (2017)

Article

Gas Chromatography Columns Based on Functionalized Polymer for the Analysis of Catalytic Reaction Products

For the first time in this work, two methods of modification of poly(1-trimethylsilyl-1-propyne) (PTMSP) and the possibilities of its application for the determination of catalytic reaction products are descri...

E. Yu. Yakovleva, Y. V. Patrushev, D. P. Ivanov, I. P. Prosvirin in Chromatographia (2018)