26 Result(s)

Article

Kinetic Laws of the Cathodic Deposition of a Tin–Bismuth Alloy and the Influence of Ultradispersed Diamonds

The specific features of galvanic deposition of a tin–bismuth alloy from a sulfuric acid electrolyte and the influence of ultradispersed diamonds (UDDs) on the deposition kinetics are considered. The depositio...

A. V. Isaev, V. V. Isaev, V. I. Naumov, T. I. Devyatkina in Russian Metallurgy (Metally) (2023)

Article

Improving the Quality of Copper Galvanic Coatings on Aluminum Alloys

Abstract—The effect of methyl red on the microstructure of a copper galvanic coating deposited on some anodized aluminum alloys is demonstrated. The methyl red in an acid medium containing copper ions (II) is fou...

T. I. Devyatkina, V. I. Naumov, D. V. Belov, S. N. Belyaev in Russian Metallurgy (Metally) (2022)

Article

Anodic Dissolution of Iron in the Solutions Simulating the Composition of Corrosive Exometabolites of Organotrophic Bacteria

Abstract—Two Tafel regions with slopes of 0.06 and 0.09 V were observed on the dependences of the anodic dissolution of Fe in NaCl solutions with additions of NH₄OH and H₂O₂ at low current densities. It was shown...

V. I. Naumov, A. A. Kalinina, V. V. Isaev… in Protection of Metals and Physical Chemistr… (2021)

Article

Boiling Water Reactor with a Combined Moderator for Utilization of Reactor Grade Plutonium

The article presents the concept of a channel-type reactor with a combined cooled moderator. The moderator consists of ceramic beryllium oxide and a liquid moderator—water with a possible variation in its comp...

V. Yu. Zhdamirov, V. I. Naumov, Yu. N. Volkov in Physics of Atomic Nuclei (2020)

Article

Effect of Corrosive Metabolites Produced by the Bacterium Escherichia coli on Zinc Corrosion

A by-product of oxygen biotransformation during the life of bacteria is the superoxide ion \({\text{O}}_{2}^{ - }\)

A. A. Kalinina, V. V. Isaev, T. N. Sokolova… in Protection of Metals and Physical Chemistr… (2020)

Article

Synthesis and Biological Activity of Selenenylamide Based on Cytisine and 2-(Chloroselanyl)pyridine-1-oxide

The reaction of (–)-cytisine with 2-(chloroselanyl)pyridine-1-oxide afforded the corresponding selenenylamide. Its biological activity against Aspergillus oryzae micromycetes was revealed.

A. V. Borisov, Zh. V. Matsulevich, G. N. Borisova… in Russian Journal of General Chemistry (2020)

Article

Simplified Mathematical Model and Realization of the Remaining Life of Nuclear Fuel Upon Decommissioning of RBMK-Type Reactor

The realization of the residual life of nuclear fuel upon decommissioning of a RBMK type channel reactor is studied. A mathematical model of the energy-production spectrum of FA is presented. Two methods of de...

A. M. Zagrebayev, G. A. Zaluzhnaya, V. I. Naumov in Atomic Energy (2019)

Article

Deposition of protective-decorative coatings onto aluminum alloys

Technique for deposition of a nickel coating onto various aluminum alloys was developed. This coating can be used both independently and as a sublayer under multilayer coatings and, in particular, under those ...

T. I. Devyatkina, S. I. Luchneva, A. E. Borisova… in Russian Journal of Applied Chemistry (2017)

Article

Modification of nickel-plating electrolyte for deposition of coatings onto aluminum and its alloys

Composition of an electrolyte for nickel-plating of anodized surface of aluminum and its alloys was developed. It is suggested to use ammonium sulfate having rather high buffer properties in acid electrolytes ...

T. I. Devyatkina, S. I. Luchneva, S. V. Fomicheva… in Russian Journal of Applied Chemistry (2016)

Article

Low-Cost Treatment of Rolled Products Used to Make Long High-Strength Bolts

The set of structural-mechanical properties of steel 40X has been optimized in preparation for the cold upsetting of long high-strength bolts. The properties were optimized by analyzing different factors that ...

A. A. Filippov, G. V. Pachurin, V. I. Naumov, N. A. Kuz’min in Metallurgist (2016)

Article

A combined electrolyte for anodizing and copper plating of aluminum and its alloys

The formulation of an effective combined electrolyte for anodizing and copper plating of aluminum and its alloys, characterized by decreased concentration of harmful components (sulfuric acid, copper sulfate),...

T. I. Devyatkina, V. V. Rogozhin, T. V. Markova… in Russian Journal of Applied Chemistry (2014)

Article

Cycloaddition of 2-pyridinetellurenyl chloride to alkenes

The action of 2-pyridinetellurenyl chloride on alkenes results in the polar cycloaddition of the tellurium-centered electrophile at the multiple bond with the formation of 2,3-dihydro[1,3]tellurazolo[3,2-a]pyridi...

A. V. Borisov, Zh. V. Matsulevich, V. K. Osmanov… in Russian Chemical Bulletin (2012)

Article

Effect of the spatially distributed delayed-neutron fraction on nonstationary processes in reactors

A spatiotemporal nonstationary process in the presence of a spatial dependence of the delayed-neutron fraction is analyzed for a two-dimensional cell with reflection at the boundaries. Transient processes in t...

Yu. N. Volkov, V. I. Naumov in Atomic Energy (2010)

Chapter

Neutronic Aspects of Weapons-Grade Plutonium Utilization in The Vver-1000 Fuel Cycle

The utilization of weapons grade plutonium as part of the reload fuel for operating advanced light water reactors is one of the most realistic ways of disposing of excess plutonium using nuclear energy technol...

N. I. Belousov, V. I. Naumov, V. I. Savander in Safety Issues Associated with Plutonium In… (1999)

Article

Methods of fabrication, formation processes, and special features of structure of ceramic filters

Various practical methods for fabricating filtering glass ceramic materials using powders of special crystallizable glass are considered together with the special features of their structure formation. The adv...

V. I. Solov’ev, E. S. Lukin, V. I. Naumov… in Refractories and Industrial Ceramics (1998)

Article

Temperature coefficients of reactivity and internal safety of high-temperature gas reactors

S. R. Korneva, V. I. Naumov, S. A. Novikov, V. I. Savander… in Atomic Energy (1995)

Article

The human factor and organization to support nuclear power plant operators

V. I. Naumov in Atomic Energy (1993)

Article

Channel reactor with combined coolant moderator

N. I. Belousov, V. I. Naumov in Atomic Energy (1992)

Article

Investigation of neutron resonance absorption in uranium-thorium fuel in a high temperature gas-cooled reactor (HTGR)

A. V. Bushev, N. I. Belousov, V. M. Duvanov, V. I. Naumov… in Soviet Atomic Energy (1990)

Article

Experimental and computation-theoretical studies of the development of the neutron spectrum in subcritical assemblies with heterogeneous reactor-enriched fuel

A. V. Bushuev, S. A. Bychkov, V. M. Duvanov, A. Yu. Davydov… in Soviet Atomic Energy (1983)