Search Results - "Dvoichenkova, G. P."

Hydrophobic Interactions in the Diamond–Organic Liquid–Inorganic Luminophore System in Modification of Spectral and Kinetic Characteristics of Diamonds by Morozov, V. V., Chanturia, V. A., Dvoichenkova, G. P., Chanturia, E. L.

“…The authors studied theoretically and experimentally the compositions of luminophores in modification of spectral characteristics of anomalously luminescent…”
Get full text

Stimulation of Separation of Difficult Diamond-Bearing Raw Materials from Primary, Placer and Manmade Deposits by Chanturia, V. A., Dvoichenkova, G. P., Chanturia, E. L., Timofeev, A. S.

“…The article describes the studies into the current flow charts available for processing diamond-bearing kimberlites of complex material constitution. The…”
Get full text

Stimulating Modification of Spectral and Kinetic Characteristics of Diamonds by Hydrophobization of Luminophores by Morozov, V. V., Chanturia, V. A., Dvoichenkova, G. P., Chanturia, E. L.

“…The integrated thermodynamic calculations and spectral analyses validated concentrations of hydrophobization agents (butyl xanthate and sodium oleate) to…”
Get full text

Selecting Organic Collectors for Luminophore-Bearing Modifying Agents to Extract Weakly Fluorescent Diamonds by Morozov, V. V., Chanturia, V. A., Dvoichenkova, G. P., Chanturia, E. L., Podkamenny, Yu. A.

“…The authors have correlated the fluorescence spectrum with the spectrum and kinetics of X-ray luminescence of organic collectors. The correlations prove…”
Get full text

Modification of Diamond Spectrum Pattern Using Luminophore-Containing Agents with Zinc and Cadmium Chalcogenides by Chanturia, V. A., Morozov, V. V., Dvoichenkova, G. P., Chanturia, E. L., Podkamenny, Yu. A.

“…The authors study the processing behavior of luminophore-containing blends of zinc and cadmium chalcogenides with a view to using them for the modification of…”
Get full text

Selecting Luminophore-Bearing Modifying Agents to Adjust Spectral Characteristics of Diamonds by Chanturia, V. A., Morozov, V. V., Dvoichenkova, G. P., Chanturia, E. L., Koval’chuk, O. E., Podkamennyi, Yu. A.

“…The modification procedure for the kinetics and spectral characteristics of fluorescent diamonds using luminophores ensures the simultaneous increase in the…”
Get full text

The Mechanism and Parameters of Froth Flotation Stimulation for Diamond-Bearing Materials by Thermal and Electrochemical Effects by Morozov, V. V., Dvoichenkova, G. P., Kovalenko, E. G., Chanturia, E. L., Chernysheva, E. N.

“…The thermodynamic analysis and tests of minerogenesis under higher temperatures determine conditions of thermochemical decomposition of hydrophilic attachments…”
Get full text

Modification of Properties of High Luminous Diamonds with Luminophore-Bearing Compositions towards Enhanced Selectivity of X-Ray Luminescence Separation by Chanturia, V. A., Morozov, V. V., Dvoichenkova, G. P., Chanturia, E. L.

“…The found interaction mechanism between a mineral–diamond mixture and a modifying agent includes the stage of adhesive attachment of luminophore at grains of…”
Get full text

Fe–Si Powder Nitriding Control System by Oparina, I. B., Kirsankin, A. A., Sevost’yanov, M. A., Dvoichenkova, G. P.

“…—To reduce the losses of ferrosilicon during heavy-medium separation, it is necessary to increase its corrosion and mechanical resistance with the obligatory…”
Get full text

Selection of recycled water electrochemical conditioning parameters for preparation of diamond-bearing kimberlite for froth separation by Dvoichenkova, G. P., Morozov, V. V., Chanturia, E. L., Kovalenko, E. G.

“…The main reason of decreasing diamond recovery through froth separation is their surface hydrophilization by hypergene minerals and technogenic films,…”
Get full text

Optimizing composition and application conditions of agents for modifying spectral characteristics of diamonds in X-ray luminescence separation by Chanturiya, V. A., Morozov, V. V., Dvoichenkova, G. P., Podkamennyi, Yu. A., Timofeev, A. S.

“…One of the research areas focused on improving the efficiency of diamond-bearing kimberlite beneficiation processes involves the utilization of technology…”
Get full text

Selective Attachment of Luminophore-Bearing Emulsion at Diamonds—Mechanism Analysis and Mode Selection by Chanturia, V. A., Dvoichenkova, G. P., Morozov, V. V., Koval’chuk, O. E., Podkamennyi, Yu. A., Yakovlev, V. N.

“…The authors present an efficient modification method of X-ray fluorescence separation with mineral and organic luminophores used to adjust spectral and kinetic…”
Get full text

Mineral formations on natural diamond surface and their destruction using electrochemically modified mineralized water by Dvoichenkova, G. P.

“…The article describes modeling and analysis of formation, attachment and dissolving of mineral substances on surface of diamond crystals. Based on the…”
Get full text

Experimental Substantiation of Luminophore-Containing Compositions for Extraction of Nonluminescent Diamonds by Chanturia, V. A., Dvoichenkova, G. P., Morozov, V. V., Yakovlev, V. N., Koval’chuk, O. E., Podkamennyi, Yu. A.

“…The procedure is developed for modification of diamond surface by luminophore-containing organic compositions. The compositions are composed of an organic…”
Get full text

Experimental Justification of Luminophore Composition for Indication of Diamonds in X-Ray Luminescence Separation of Kimberlite Ore by Chanturia, V. A., Dvoichenkova, G. P., Morozov, V. V., Koval’chuk, O. E., Podkamenny, Yu. A., Yakovlev, V. N.

“…Organic and inorganic luminophores of similar luminescence parameters as diamonds are selected. Indicators, based on the selected luminophores, are…”
Get full text

Surface Modification of Rock-Forming Minerals of Diamond-Bearing Kimberlites under Interaction with Wastewater and Electrochemically Treated Water by Chanturia, V. A., Ryazantseva, M. V., Dvoichenkova, G. P., Minenko, V. G., Koporulina, E. V.

“…The structural and chemical surface transformation of basic kimberlite-forming minerals (calcite, olivine, serpentine) under the contact with natural and waste…”
Get full text

Classification of mineral species on the surface of natural diamond crystals by Chanturia, V. A., Dvoichenkova, G. P., Koval’chuk, O. E.

“…The analytical research has yielded differences in composition of mineral species on the surface of natural diamonds of hyperaltered kimberlites under…”
Get full text

Surface composition and role of hydrophilic diamonds in foam separation by Chanturia, V. A., Dvoichenkova, G. P., Koval’chuk, O. E., Timofeev, A. S.

“…The article presents new test results on structural and chemical properties of mineral formations on the surface of natural hydrophilic diamonds using Raman,…”
Get full text

Combination processes of diamond recovery from metasomatically altered kimberlite rocks by Chanturia, V. A., Dvoichenkova, G. P., Bunin, I. Zh, Minenko, V. G., Kovalenko, E. G., Podkamenny, Yu. A.

“…The article gives new experimental data on chemistry, phase composition, structure and physicochemical properties of surface of minerals composing…”
Get full text

Low-temperature effects to improve efficiency of photoluminescence separation of diamonds in kimberlite ore processing by Chanturia, V. A., Bunin, I. Zh, Dvoichenkova, G. P., Koval’chuk, O. E.

“…The article gives new experimental data on spectral characteristics of photoluminescence of natural diamonds extracted from deep horizons of Mir and…”
Get full text