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

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

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Nonmonotonic (in concentration) conductivity of aqueous solutions of fungal melanin von 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 von 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 von Yu. K. Bondarenko, O. V. Kovalchuk

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Integral equations for the wave function of particle systems von 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 von 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 von Yu. K. Bondarenko, O. V. Kovalchuk

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

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

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Competitiveness of Enterprise: The Essence and Approaches to Definition von 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 von 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 von 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 von 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 von 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 von 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 von 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 von 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 von S. I. Poberezhets, O. V. Kovalchuk, B. M. Savchenko, Sh. Iskandarov, T. M. Kovalchuk, I. I. Poberezhets

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