About one three step method with memory for solving system of nonlinear equations by O. V. Kovalchuk

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Method and estimation of parameters of dense part of electrical double layer at the interface electrode-solution of the dye in liquid crystal by O. V. Kovalchuk

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Adsorption of ions and thickness dependence of conductivity in liquid crystals by O. V. Kovalchuk

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Nonmonotonic (in concentration) conductivity of aqueous solutions of fungal melanin by O. V. Kovalchuk, T. M. Kovalchuk

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On a three-step 1+2 order method for solving systems of nonlinear operator equations by Ya. Bartish, O. V. Kovalchuk

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Investigation of the influence of risk sources on technical safety of welded structures in operation with application of nondestructive testing and technical diagnostics by Yu. K. Bondarenko, O. V. Kovalchuk

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Integral equations for the wave function of particle systems by K. V. Avdonin, O. V. Kovalchuk

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Risk identification in fabrication of welded structures in order to introduce risk-management at the enterprise by Yu. K. Bondarenko, O. V. Kovalchuk

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Evaluation of risk of welding structures service using monitoring of processes of the quality control system and testing using NT and TD methods by Yu. K. Bondarenko, O. V. Kovalchuk

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Modern legal and normative requirements to welded products by Yu. K. Bondarenko, O. V. Kovalchuk

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Influence of Li-TCNQ impurities on dielectric properties of planar-oriented nematic liquid crystal by V. E. Vovk, O. V. Kovalchuk, T. M. Kovalchuk

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Competitiveness of Enterprise: The Essence and Approaches to Definition by K. V. Kovtunenko, K. O. Didan, O. V. Kovalchuk

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Nature and kinetics of nonstationary light absorption in C60 films induced by femtosecond laser pulses by M. P. Horishnyi, I. A. Pavlov, O. V. Kovalchuk

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Dielectric properties of nematic liquid crystal with impurities of supramolecular Ni-TMTAA-TCNQ complexes by V. E. Vovk, O. V. Kovalchuk, P. V. Kopcansky, T. M. Kovalchuk

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Dielectric and electro-optical properties of solutions of chemically modified fullerene S60 in nematic liquid crystal by V. E. Vovk, O. V. Kovalchuk, M. P. Gorishnyj, T. M. Kovalchuk

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Influence of anion substitution on electrical conductivity of composites based on liquid crystal with Cu6PS5X (X = I, Br) nanoparticles by I. P. Studenyak, O. V. Kovalchuk, S. I. Poberezhets, M. Timko, P. Kopčanský

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Peculiarities of near-electrode relaxation processes in the polyethylene melt filled with graphite and carbon black by Ya. A. Kuryptya, B. M. Savchenko, O. V. Kovalchuk, T. M. Kovalchuk, T. S. Shostak

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The non-linear dependence of 6SNVT liquid crystal conductivity on the concentration of gold nanoparticles by O. V. Kovalchuk, P. Kopčanský, M. Timko, I. P. Studenyak, T. M. Kovalchuk

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Multiferroic based on nematic liquid crystal and nanoparticles by O. V. Kovalchuk, T. M. Kovalchuk, N. M. Kucheriavchenkova, V. V. Sydorchuk, S. V. Khalameida

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Dynamics of the conductance temperature dependence for composite based on linear polyethylene with impurity of soot and calcite by S. I. Poberezhets, O. V. Kovalchuk, B. M. Savchenko, Sh. Iskandarov, T. M. Kovalchuk, I. I. Poberezhets

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