Výsledky vyhledávání - "S. M. Markosyan"

The Effect of a Humate Reagent and Sodium Oleate on the Wettability of Fluorite, Calcite, and Quartz

Autor: S. A. Antsiferova, S. M. Markosyan, O. N. Suvorova

Publikováno v: Theoretical Foundations of Chemical Engineering. 53:656-660

The effect of a humate reagent obtained from oxidized brown coal and sodium oleate on the wettability of minerals present in the composition of fluorite ores such as fluorite, calcite, and quartz is studied. It is shown that, in the case of successiv

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::34ad4357513370ae77071557bf593e63
https://doi.org/10.1134/s0040579518050032

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Phase Relations in Metastable Equilibria of the PbO-GeO2 System

Autor: S. M. Markosyan, S. V. Suprunets, L. S. Tarasova, Vladimir I. Kirko, V. P. Zhereb, M. S. El’berg, A. M. Zhizhaev

Publikováno v: Russian Journal of Inorganic Chemistry. 53:313-318

Metastable phase relations in the PbO-GeO2 system have been studied by DTA and X-ray powder diffraction. Metastable equilibrium was acquired during the solidification of a melt while it was slowly (at 8 K/min) cooled from temperatures slightly exceed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e9a28fd5f67e740e1d4165ba29dea70c
https://doi.org/10.1134/s0036023608020253

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Noncatalytic hydrophosphorylation and hydrothiophosphorylation of hydroxyaldehydes

Autor: N. D. Avseenko, Lidiya M. Sinegovskaya, Boris G. Sukhov, S. M. Markosyan, Boris A. Trofimov, Nina I. Ivanova, N. A. Konovalova, V. G. Samoilov, Nina K. Gusarova

Publikováno v: Russian Journal of General Chemistry. 76:98-102

Nucleophilic addition of secondary phosphone oxides and phosphine sulfides to 2-hydroxyacet-, 2-hydroxybenz-, and 3,4-dihydroxybenzaldehydes proceeds under mild conditions (48–50°C, THF) and allows tertiary phosphine oxides and phosphine sulfides

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5348f222ae4d657ac5bd93b35a0b4fbd
https://doi.org/10.1134/s107036320601018x

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A mixture of tris(propenyl)phosphinoxides: A new effective collector reagent for copper-nickel ore flotation

Autor: Svetlana F. Malysheva, Nina K. Gusarova, V. G. Samoilov, L. I. Timoshenko, Boris A. Trofimov, S. M. Markosyan

Publikováno v: Theoretical Foundations of Chemical Engineering. 42:731-732

The properties of a new collector reagent (SF-239) based on a mixture of tris(propenyl)phosphinoxides have been studied with respect to the flotation of copper-nickel ores. For the flotation of chalcopyritecubanite ores, the new collector gives a 1.8

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c52b7dfd98cd93efbab1e6c179f4a840
https://doi.org/10.1134/s0040579508050448

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Free-radical addition of secondary phosphine sulfides to vinyl sulfides

Autor: V. G. Samoilov, S. M. Markosyan, Nina K. Gusarova, Svetlana V. Yas'ko, Nina I. Ivanova, N. A. Chernysheva, Boris A. Trofimov, Maria V. Bogdanova

Publikováno v: Russian Journal of General Chemistry. 76:1514-1515

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::90456d82cb853a49b0f22710b674b25e
https://doi.org/10.1134/s107036320609026x

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Reaction of platinum (II) hydrides with carbenium ions

Autor: M. I. Kalinkin, D. Kh. Shaapuni, Z. N. Parnes, S. M. Markosyan, G. D. Kolemnikova, D. I. Kursanov

Publikováno v: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 25:2333-2335

1. Platinum hydrides are the active donors of the hydride ion with respect to\(Ph_3 \mathop C\limits^ \oplus \). 2. The phosphine complexes of Ni, Pd, and Pt exhibit catalytic activity in the ionic hydrogenolysis of alcohols, the Pt complexes being t

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https://doi.org/10.1007/bf00973389

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Reaction of hydride complexes of platinum and iridium with triarylmethyl cations

Autor: D. N. Kursanov, M. I. Kalinkin, Z. N. Parnes, S. M. Markosyan

Publikováno v: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 30:1759-1761

1. The hydride complexes of Pt and Ir are hydride-ion donors toward triarylmethyl cations. 2. The reaction of the iridium hydride complexes with trityl cations is accompanied by the formation of trityl radicals.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::28a37b3baabc25d823b16bd8787bf4da
https://doi.org/10.1007/bf00949494

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Ionic hydrogenation of 1,3-indanedione derivatives

Autor: L. P. Zalukaev, Z. N. Parnes, M. I. Katinkin, S. M. Markosyan, N. I. Kopteva, O. K. Popova, D. N. Kursanov

Publikováno v: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 30:1709-1711

The ionic hydrogenation of 1,3-indanedione and its 2-monosubstituted and 2,2-disubstituted derivatives to indanes was realized with triethylsilane in trifluoroacetic acid. Unsubstituted and 2-monosubstituted 1,3-indanediones undergo catalytic ionic h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7dce9411b7f8df5250cca98d896b29dc
https://doi.org/10.1007/bf00949478

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