Search Results - "Kovalev, V. N."

Flavonoids from Erigeron annuus by Kovalev, S. V., Golovach, A. R., Kovalev, V. N., Khilya, V. P.

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ANALYSIS OF ESSENTIAL OILS FROM SEVERAL HYBRID IRIS VARIETIES by Krechun, A. V., Mykhailenko, O. A., Kovalev, V. N.

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Carboxylic Acids from Leaves of Gladiolus hybridus by Demeshko, O. V., Kovalev, V. N., Mykhailenko, O. A., Krivoruchko, E. V.

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Carboxylic Acids from Iris graminea and I. halophila by Mikhailenko, O. A., Krechun, A. V., Kovalev, V. N.

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Flavonoids from Gleditsia triacanthos by Duchenko, M. A., Demeshko, O. V., Kovalev, V. N.

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Isoflavonoids from Roots of Ononis pusilla by Kovalev, S. V., Deviatkina, N. N., Khilya, V. P., Hrytsyna, M. R., Kovalev, V. N.

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Electrochemical Characteristics of Modified Heterogeneous Bipolar Membrane and Electromembrane Process of Nitric Acid and Sodium Hydroxide Recuperation from Sodium Nitrate and Boric Acid Solution by Kovalev, N. V., Karpenko, T. V., Sheldeshov, N. V., Zabolotsky, V. I.

“…Characteristics of an аMB-2m bipolar membrane containing ion-polymer with phosphoric-acid groups, catalytically active in the water dissociation reaction, were…”
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Synthesis and Structure of the Sc2 – xTmx(BO3)2 Single Crystals by Antipin, A. M., Volkova, E. A., Kovalev, V. N., Borovikova, E. Yu, Yapaskurt, V. O.

“…The Sc 2 –   x Tm x (BO 3 ) 2 lamellar single crystals in the Tm 2 O 3 –Sc 2 O 3 –BO 3 ternary system have been obtained for the first time by spontaneous flux…”
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Constituents of Essential Oils from Azerbaijan Iris medwedewii and I. carthaliniae Rhizomes by Isaev, D. I., Mikhailenko, O. A., Gurbanov, G. M., Kovalev, V. N.

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Processing of zinc-bearing dust and slurry to obtain crude zinc and iron by Kovalev, V. N.

“…Methods for the processing of zinc-bearing dust from steel smelting are briefly reviewed. The system developed at Energoterm-Sistema Development Center is…”
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The influence of catalytic additives on electrochemical properties of bipolar membranes by Sheldeshov, N. V., Zabolotskii, V. I., Bespalov, A. V., Kovalev, N. V., Alpatova, N. V., Akimova, A. V., Mochalova, T. V., Kovaleva, V. I., Boyarishcheva, A. Yu

“…The influence of organic, inorganic, and hybrid catalytic additives on the current–voltage characteristics of the bipolar region of industrial MB-1 and MB-3…”
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Metallurgical system for processing iron-bearing steel-plant wastes by Kovalev, V. N.

“…Basic principles for the Energoterm metallurgical system, based on a Vanyukov furnace and a cyclone, are outlined with a view to efficient processing of…”
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Extraction of precious metals by concentration from technogenic sulfide copper-nickel raw material by Petrov, G. V., Diakite, M. L. L., Kovalev, V. N.

“…Dumped slag and dust products of Norilsk region technogenic deposits are a promising source of precious and nonferrous metals. Methods for concentrating…”
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Recycling copper-bearing sludge: status and prospects by Chernyshev, A. A., Petrov, G. V., Belen’kii, A. M., Kovalev, V. N., Kukolevskii, A. S.

“…This article surveys the current state of the recycling of copper-bearing sludge from electrolysis operations. It notes the main advantages and disadvantages…”
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Modern trends in the use of electrothermics in nonferrous metallurgy by Paretskii, V. M., Besser, A. D., Kovalev, V. N., Aparin, V. A.

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Electrochemical characteristics of heterogeneous bipolar membranes and electromembrane process of recovery of nitric acid and sodium hydroxide from sodium nitrate solution by Sheldeshov, N.V., Zabolotsky, V.I., Kovalev, N.V., Karpenko, T.V.

“…•The overvoltage of bipolar region of the MB-2m and MB-3 membranes are similar.•The process with MB-2m membrane exceed the process with MB-1 and MB-3…”
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Ion Transport through a Modified Heterogeneous Bipolar Membrane and Electromembrane Recovery of Sulfuric Acid and Sodium Hydroxide from a Sodium Sulfate Solution by Kovalev, N. V., Karpenko, T. V., Sheldeshov, N. V., Zabolotskii, V. I.

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Investigation of the Diethylamine Producing Process from its Salt by Bipolar Electrodialysis by Karpenko, T. V., Kovalev, N. V., Sheldeshov, N. V., Zabolotsky, V. I.

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Preparation and Electrochemical Properties of Heterogeneous Bipolar Membranes with a Catalyst for the Water Dissociation Reaction by Kovalev, N. V., Karpenko, T. V., Sheldeshov, N. V., Zabolotsky, V. I.

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A Modified Hydrodynamic Isolation Method to Measure Ion Fluxes and Ion Transport Numbers across an Anion-Exchange Membrane in the Sulfuric Acid–Amine–Amine Salt System by Sheldeshov, N. V., Zabolotsky, V. I., Karpenko, T. V., Kovalev, N. V.

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