Search Results - "Shevchenko, V.V."

Synthesis and characterization of fluorinated isomeric polybenzoxazines from core-fluorinated diamine-based benzoxazines by Kobzar, Ya.L., Tkachenko, I.M., Bliznyuk, V.N., Lobko, E.V., Shekera, O.V., Shevchenko, V.V.

“…In this work, we describe the design and synthesis of novel isomeric (para- and meta-) core-fluorinated polybenzoxazines from bis(benzoxazine)-containing…”
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Protic and aprotic anionic oligomeric ionic liquids by Shevchenko, V.V., Stryutsky, A.V., Klymenko, N.S., Gumenna, M.A., Fomenko, A.A., Bliznyuk, V.N., Trachevsky, V.V., Davydenko, V.V., Tsukruk, V.V.

“…We report on synthesis of linear and hyperbranched protic and aprotic anionic oligomeric ionic liquids (OILs). α,ω-Dicarboxy- and α,ω-disulfooligo(ethylene…”
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Synthesis and properties of protic hydroxylic ionic liquids with two types of basic centers in their composition by Shevchenko, V.V., Gumenna, M.A., Korolovych, V.F., Stryutsky, A.V., Trachevsky, V.V., Hrebnov, O., Klepko, V.V., Klymenko, N.S., Shumsky, V.F., Davydenko, V.V., Ledin, P.A.

“…1-((3-(1H-imidazol-1-yl)propyl)amino)-3-butoxypropan-2-ol with two types of nitrogenous centers and variable basicity was synthesized by reaction of butyl…”
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Synthesis and properties of hydroxylated core-fluorinated diamines and polyurethanes based on them with azobenzene nonlinear optical chromophores in the backbone by Shevchenko, V.V., Sidorenko, A.V., Bliznyuk, V.N., Tkachenko, I.M., Shekera, O.V., Smirnov, N.N., Maslyanitsyn, I.A., Shigorin, V.D., Yakimansky, A.V., Tsukruk, V.V.

“…We report on the synthesis of core-fluorinated phenylene- and biphenyldianilines, which was accomplished by diazotization reaction of diamines followed by…”
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Properties of the lunar exosphere during the Perseid 2009 meteor shower by Berezhnoy, A.A., Churyumov, K.I., Kleshchenok, V.V., Kozlova, E.A., Mangano, V., Pakhomov, Yu.V., Ponomarenko, V.O., Shevchenko, V.V., Velikodsky, Yu.I.

“…Influence of the meteoroid bombardment on properties of the lunar exosphere has been confirmed. Quick increase in the zenith column density of Na atoms above…”
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Proposals for the Multiparametric Design Application in Electrical Mechanical Engineering by Shevchenko V.V., Minko A.N., Stoychev V.T.

“…The aim of the work is to obtain practical results for the electrical machines multiparametric de-sign application, to conduct a comparative analysis of the…”
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Guanidinium-containing oligomeric cationic protonic ionic liquid by Vortman, M.Ya, Lemeshko, V.N., Shevchenko, V.V.

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Influence of shear deformation on the formation of dynamic structure in protic ionic liquids. Representation of the temperature dependence of viscosity within the framework of Angell’s fragility concept by Shumsky, V.F., Getmanchuk, I.P., Shevchenko, V.V., Gumenna, M.A., Striutskyi, O.V., Davidenko, V.V., Kravchenko, V.V.

“…•The rheological properties of a liquid with two types of basic centers and protic ILs based on it were studied.•The influence of shear deformation mode and…”
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Metaparticles of Pulsed Wave Fields by Shevchenko, V. V.

“…Properties of elementary particles of pulsed (localized) electromagnetic and acoustic wave fields directionally radiated by aperture sources (antennas, lasers,…”
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Selection of Asynchronized Turbogenerators Parameters Taking into Account the Operating Mode by Shevchenko, Valentina, Duniev, Oleksii, Pototskyi, Dmytro

“…The purpose of the work is to develop an algorithm for calculating currents in the asynchro-nized turbogenerator rotor windings when it operates at a power…”
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A Surface Electromagnetic Wave on a Plane Ribbon with a Highly Conducting Surface by Shevchenko, V. V.

“…The properties of a surface wave directed by a plane ribbon made of a nonmagnetic material with a high surface conductivity are investigated. Using the model…”
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On Slow and Fast Surface Waves Propagating on Plane Boundaries of Conducting Media with High Conductance. The Zenneck Wave by Shevchenko, V. V.

“…The regularities of transition of phase and group velocities from slow surface waves (whose velocities are below the light speed) to fast surface waves (whose…”
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The Effect of Additives of Water-Soluble Glass on the Extraction of Alkali from Portland Cement by Shevchenko, V. V., Kotsay, G. N.

“…The phenomenon of suppressing the potassium alkaline activity of Portland cement in the early stages of hydration in the presence of sodium water-soluble glass…”
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Improving Heat Exchange Systems of Turbogenerators for Increase of their Efficiency by Minko A.N., Shevchenko V.V.

“…The goal of this work is to define parameters that characterize turbogenerator heat exchanger efficiency and to develop recommendations for its increase by…”
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Effect of temperature on leaching alkali metal ions from waste glass powder used as an additive to portland cement by Shevchenko, V. V., Kotsai, G. N.

“…Leaching is considered as a means of reducing the alkalinity of glass powders produced from waste container glass and employed as additives to portland cement…”
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On excitation of the surface wave on the plane surface of an electrically conducting medium with high conductivity by a vertical aperture, the Zenneck wave by Shevchenko, V. V.

“…The efficiency of excitation of the surface wave, in particular, the Zenneck wave on the plane boundary of an electrically conducting medium with high…”
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Polymeric proton exchange media with ionic bonds in the main chain of the polymer by Gumenna, M.A., Klimenko, N.S., Stryutsky, A.V., Kovalenko, L.L., Kravchenko, V.V., Shevchuk, A.V., Shevchenko, V.V.

“…This paper proposes a method of obtaining the first representative of a polymeric proton-conducting medium with protic ionic groups in the main chain of a…”
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On focusing of a converging spherical wave traveling through the boundary of a material medium by Shevchenko, V. V.

“…It is revealed in the ray approximation that focusing of a converging spherical wave traveling through the boundary of a material medium can be retained if a…”
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On focusing of surface waves on impedance guiding surfaces by Shevchenko, V. V.

“…The process of focusing of surface electromagnetic waves on impedance guiding surfaces is considered in the ray approximation with the help of a 2D model of a…”
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Synthesis, gas transport and dielectric properties of fluorinated poly(arylene ether)s based on decafluorobiphenyl by Tkachenko, I.М., Belov, N.A., Yakovlev, Yu.V., Vakuliuk, P.V., Shekera, О.V., Yampolskii, Y.P., Shevchenko, V.V.

“…In this work, the fluorinated poly(arylene ether)s containing meta-phenoxy units based on decafluorobiphenyl and hydroxyl-substituted monomers were…”
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