63 Result(s)

Article

Activation of Nickel Oxide Catalysts Modified with Cobalt, Cerium, Manganese, and Zirconium

The activation of a series of catalysts with the general formula Ni_0.9M_0.1O (M = Co, Ce, Mn, and Zr) synthesized by coprecipitation and the effect of modifying additives on the phase composition and structure of ...

M. D. Mikhnenko, T. N. Afonasenko, V. A. Rogov, O. A. Bulavchenko in Kinetics and Catalysis (2023)

Article

Operando X-ray Diffraction Study of Mn–Ce Catalysts for CO Oxidation

We prepare a series of MnO_x–CeO₂ catalysts with a molar ratio of Mn : Ce = 3 : 7 by coprecipitation and varying the calcination temperature from 300 to 800°C. The catalysts are characterized by powder X-ray diffr...

Z. S. Vinokurov, T. N. Afonasenko… in Journal of Surface Investigation: X-ray, S… (2023)

Article

Thermodynamic Study of a Volatile Complex of Magnesium Benzoyltrifluoroacetonate with N,N,N',N'-Tetramethylethylenediamine

To expand the library of volatile magnesium precursors certified for effective use in chemical gas-phase deposition of the corresponding oxide or fluoride layers, a thermodynamic study of the mixed ligand comp...

E. S. Vikulova, S. V. Sysoev, A. V. Sartakova… in Russian Journal of Inorganic Chemistry (2023)

Article

The effect of composite boring bars on vibration in machining process

One of the challenges of machining process is to improve the quality of machined surface by reducing the vibration of cutting tools. The research aims to suppress vibration using composite boring bars with an ...

S. Ghorbani, V. A. Rogov, A. Carluccio… in The International Journal of Advanced Manu… (2019)

Article

Effect of the Composition of Ni _x Co_3–xO₄ (x = 0–0.9) Oxides on Their Catalytic Activity in the Low-Temperature Reaction of N₂O Decomposition

The Ni _x Co_3–xO₄ (x = 0–0.9) mixed oxides with a spinel structure modified with 2% Cs according to the Pechini method were prepared by coprecipitation from the solutions of nitra...

Yu. A. Ivanova, E. F. Sutormina, L. A. Isupova, V. A. Rogov in Kinetics and Catalysis (2018)

Article

Thermochemical Properties of the Lattice Oxygen in W,Mn-Containing Mixed Oxide Catalysts for the Oxidative Coupling of Methane

Mixed NaWMn/SiO₂ oxide, samples containing individual components (Na, W, Mn) and their double combinations (Na–W, Na–Mn, W–Mn) supported on silica were studied by temperature programmed reduction (TPR) and desorp...

V. I. Lomonosov, Yu. A. Gordienko, M. Yu. Sinev… in Russian Journal of Physical Chemistry A (2018)

Article

Main Aspects of Improving Abrasive Treatment Efficiency for Structural and Functional Ceramic Objects

Results are provided for analysis of research results obtained by different scientific schools for abrasive-diamond and boron nitride machining of metal and ceramic materials. Acombined grinding efficiency coe...

M. I. Shkarupa, V. B. Dudakov, M. M. Lashnev… in Refractories and Industrial Ceramics (2017)

Article

Effect of various admixtures on the properties of Mn-substituted cordierite

The effect of various admixtures (graphite, sawdust, mullite–silica fiber, vermiculite, boric acid, different size fractions of cordierite, corundum microspheres) in the cordierite stock (mixture of talc, clay...

E. F. Sutormina, L. A. Isupova, N. A. Kulikovskaya, N. A. Rudina… in Kinetics and Catalysis (2016)

Article

Effect of the oxidation state of manganese in the manganese oxides used in the synthesis of Mn-substituted cordierite on the properties of the product

Catalysts based on Mn-substituted cordierite 2MnO · 2Al₂O₃ · 5SiO₂ have been synthesized using different manganese oxides (MnO, Mn₂O₃, and MnO₂) at a calcination temperature of 1100°C. The catalysts differ in the...

E. F. Sutormina, L. A. Isupova, L. M. Plyasova, L. S. Dovlitova… in Kinetics and Catalysis (2016)

Article

Effect of the preparation conditions on the physicochemical and catalytic properties of Ni₂P/SiO₂ catalysts

The effect of the reduction conditions on the physicochemical and catalytic properties of Ni₂P/SiO₂ catalysts was studied. The catalysts were prepared by impregnating silica with a solution of nickel acetate and ...

I. V. Shamanaev, I. V. Deliy, V. P. Pakharukova… in Russian Chemical Bulletin (2015)

Article

IR spectroscopic and calorimetric study of water and formic acid adsorption on a vanadium-titanium catalyst

Formaldehyde is oxidized to formic acid at a high selectivity over vanadium -titanium catalysts. IR spectroscopic and calorimetric techniques were used for studying the structure and energy parameters of the s...

V. A. Rogov, Yu. A. Chesalov, E. V. Danilevich… in Kinetics and Catalysis (2015)

Article

Influence of the handle design on a composite lathe cutter

In a composite lathe cutter, the influence of the handle design on the rigidity, temperature propagation, and dam** of vibrations in cutting is analyzed. Metal cutters with horizontal holes in a checkerboard...

V. A. Rogov, S. Gorbani in Russian Engineering Research (2015)

Article

Cathodic materials for intermediate-temperature solid oxide fuel cells based on praseodymium nickelates-cobaltites

A unique combination of methods (TPD of O₂, thermogravimetry, isotopic heteroexchange of oxygen in different modes) was used to carry out detailed studies of oxygen mobility and reactivity in mixed praseodymium n...

V. A. Sadykov, N. F. Eremeev, E. M. Sadovskaya… in Russian Journal of Electrochemistry (2014)

Article

Mechanism of CH₄ Dry Reforming on Nanocrystalline Doped Ceria-Zirconia with Supported Pt, Ru, Ni, and Ni–Ru

Specificity of CH₄ dry reforming mechanism for Me-supported doped ceria-zirconia catalysts with high oxygen mobility was elucidated using a combination of transient kinetic methods (TAP, SSITKA) with pulse microc...

A. S. Bobin, V. A. Sadykov, V. A. Rogov, N. V. Mezentseva… in Topics in Catalysis (2013)

Article

Stress concentration in plane optical models of round broaches

V. A. Rogov, A. S. Koshelenko, O. V. Zhed’, A. I. Predeina in Russian Engineering Research (2013)

Article

Deformation of a hole machined by a mandrel

V. A. Rogov, A. S. Koshelenko, O. V. Zhed’ in Russian Engineering Research (2013)

Article

Cutter holders with composite inserts

V. A. Rogov, P. S. Belov in Russian Engineering Research (2013)

Article

Diagnostics of an axial cutting tool on the basis of the gas concentration in the cutting zone

K. V. Afanas’ev, V. A. Rogov in Russian Engineering Research (2011)

Article

Dam** properties of reaming lathe cutters with inserts of dense composite

Cutters whose holders include cavities filled with highly dam** polymer-based composites are considered.

V. A. Rogov, P. S. Belov in Russian Engineering Research (2011)

Article

Stress-strain state of cutting-plate supports

V. A. Rogov, A. S. Koshelenko, A. N. Popikov in Russian Engineering Research (2011)