Výsledky vyhledávání - "V. A. Osadchii"

The Synthesis of Crystals of Chalcogenides of K, Zr, Hf, Hg, and Some Other Elements in Halide Melts under Conditions of Stationary Temperature Gradient

Autor: Dmitriy A. Chareev, N. A. Zgurskiy, V. O. Osadchii, A. N. Nekrasov, E. G. Osadchii, N. V. Geringer, A. V. Koshelev, Olga N. Filimonova, Olga S. Volkova, P. V. Evstigneeva

Publikováno v: Crystallography Reports. 64:996-1002

The growth of crystals of metals, alloys, chalcogenides, and pnictides in melts of alkali metal halides under conditions of stationary temperature gradient has been studied. The formation of crystals with participation of elements that were not consi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::102a0324592ae5d3a70706feadc0ce24
https://doi.org/10.1134/s1063774519060038

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Development of a Method for the Visualization of the Process of Forming of Curved Profiles in the Software Used for the Numerical Analyses of the Roll Passes

Autor: D. I. Filippov, N. S. Kuprienko, V. A. Osadchii, Sergey Gorbatyuk

Publikováno v: Metallurgist. 63:658-664

We propose a method for the visualization of the process of bending in the developed computer-aided system aimed at the design of equipment and tools used in manufacturing of bent profiles. The necessity of development of a special program for the nu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::336b1287c77085f51231997d1760de67
https://doi.org/10.1007/s11015-019-00872-1

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Iron and sulfur isotope factors for pyrite from experimental gamma-resonant studies and heat capacity

Autor: Dmitriy A. Chareev, V. M. Gurevich, E. G. Osadchii, L. V. Sipavina, K. S. Gavrichev, A. V. Tyurin, Veniamin B. Polyakov, V. O. Osadchii, M. V. Voronin

Publikováno v: Геохимия. 64:372-386

Pyrite Moessbauer spectra (FeS 2 ) is measured in the temperature range from 90 to 295 K. The temperature dependence of the isomer shift is described by the Debye model with Moessbauer temperature θ M =551.4 K. Using these results, we calculated the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74cf46eb062400f6eb90fddd9f35aa4d
https://doi.org/10.31857/s0016-7525644372-386

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Drawing of Thin-Walled Welded Pipe

Autor: A. A. Myshechkin, V. Ya. Osadchii

Publikováno v: Steel in Translation. 49:277-280

—A process for drawing thin-walled welded pipe on a self-stabilizing spherical mandrel is developed and studied. On the basis of industrial trials, recommendations are made regarding the selection of optimal technological parameters.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8c94294a6bc7092a0abdcaf006c5f13d
https://doi.org/10.3103/s0967091219040090

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Iron and Sulfur Isotope Factors of Pyrite: Data from Experimental Mössbauer Spectroscopy and Heat Capacity

Autor: V. O. Osadchii, A. V. Tyurin, K. S. Gavrichev, Veniamin B. Polyakov, V. M. Gurevich, Dmitriy A. Chareev, M. V. Voronin, E. G. Osadchii, L. V. Sipavina

Publikováno v: Geochemistry International. 57:369-383

Mossbauer spectra of pyrite (FeS2) are measured within a temperature range of 90–295 K. The isomer shift is described by the Debye model with a Mossbauer temperature θM = 551.4 K. These results are used to calculate the kinetic energy of thermal v

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::66491d711da647be7b05c6d433052c31
https://doi.org/10.1134/s0016702919040098

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Impact of COVID-19 on the Welfare of Russian Enterprises

Autor: V. V. Osadchii, A. Zolkin, N. Levoshich, S. Tokova, G. Ryabkova

Publikováno v: Proceedings of the 2nd International Scientific and Practical Conference "COVID-19: Implementation of the Sustainable Development Goals".

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9d421eb3acf6a1afeecec1334d5c19e1
https://doi.org/10.5220/0011119400003439

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The chemical state of Hg in synthetic crystals of zinc and mercury sulfides studied by XAFS spectroscopy

Autor: Alexander B. Makeyev, Anna Vymazalová, Alexander L. Trigub, Elena V. Kovalchuk, V. O. Osadchii, Dmitry Tonkacheev, Margarita Merkulova, I. V. Vikentyev

Publikováno v: Journal of Solid State Chemistry. 305:122708

In this study, a series of synthetic mercury-bearing sphalerite and zinc-bearing metacinnabar crystals was grown using the salt flux method at 605-650 °C at the hot and cold ends of the ampoule, respectively, in a composition range from 2 to 82 �

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::41bf04300da9939fd732871ba1290352
https://doi.org/10.1016/j.jssc.2021.122708

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Determination of the equilibriumfO2in bulk samples of H, L, and LL ordinary chondrites by solid-state electrochemistry

Autor: Mark V. Fedkin, E. G. Osadchii, V. O. Osadchii

Publikováno v: Meteoritics & Planetary Science. 52:2275-2283

High-temperature solid-state electrochemistry techniques (EMF method) were used to measure the oxygen fugacity (fO2) of the ordinary chondrites Ochansk (H4), Savtschenskoje (LL4), Elenovka (L5), Vengerovo (H5), and Kharkov (L6). The fO2 results are p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::119aa3936bef70a13130b2d35a09f0e7
https://doi.org/10.1111/maps.12919

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