Search Results - "Tkachenko, V I"
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1
Wear assessment of composite surface layers in Al–6Mg alloy reinforced with AlCuFe quasicrystalline particles: Effects of particle size, microstructure and hardness
Published in Wear (15-11-2014)“…Aluminium alloys reinforced with ceramic, intermetallic or quasicrystalline particles can fill the needs of automotive and aerospace industries due to their…”
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2
Decorative perennials of the regional flora for recreation landscapes in the forest-steppe zone
Published in Biosystems diversity (01-01-2023)“…This work is devoted to the preservation of biodiversity and the prospects of its integration into projects for the improvement of recreational landscapes and…”
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3
Behavior of Eutectic Ti–Si–Zr Titanium Alloys in Different Friction Conditions
Published in Powder metallurgy and metal ceramics (01-11-2022)“…The tribological properties of heterogeneous Ti–Si–Zr titanium alloys with an e(β-Ti + (Ti, Zr) 2 Si) eutectic were studied in different friction conditions…”
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4
Cable Free Transmission of Electricity: from Nikola Tesla to Our Time
Published in East European journal of physics (10-03-2017)“…Model of Earth charge resonant oscillations excitations based on Tesla experiment, was offered. Solutions of d'Alembert wave equations for electric and…”
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5
Study on physicochemical properties of biocatalysts with thermostable lipase activity and final products of triglycerides’ interesterification
Published in Applied biochemistry and microbiology (01-12-2014)“…The physicochemical properties of multicomponent biocatalysts for triglycerides’ interesterification have been studied. They were prepared by entrapment of…”
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6
Polymorphic systems of blood groups and the productivity of ural type cattle
Published in Russian agricultural sciences (01-09-2015)“…The relationship between blood group alleles inheritance and the first milk yield of cows per herd of heifers was studied on 1655 individuals. Milk production…”
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7
Almost Periodic Solutions of the Wave Equation with Damping and Impulsive Action
Published in Ukrainian mathematical journal (01-06-2023)“…We obtain sufficient conditions for the existence of piecewise continuous almost periodic solutions to the damped wave equation with impulsive action…”
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8
Frequency Locking of Periodic Solutions to Differential Equations with Impulsive Perturbations
Published in Ukrainian mathematical journal (01-12-2022)“…We present sufficient conditions for the frequency locking of an orbitally asymptotically stable periodic solution to a system of autonomous differential…”
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9
Almost Periodic Logistic Equation with Delay and Nonfixed Times of Impulsive Action
Published in Journal of mathematical sciences (New York, N.Y.) (01-04-2021)“…By using the properties of asymptotically almost periodic solutions, we establish conditions for the existence of a positive asymptotically stable piecewise…”
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10
Temperature-Abnormal Diffusivity in Tilted Periodic Potentials
Published in JETP letters (01-05-2019)“…The diffusion of particles in tilted spatially periodic potentials in systems with different friction coefficients γ' has been studied in a wide temperature…”
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11
Temperature-Abnormal Diffusivity in underdamped spatially periodic systems
Published in JETP letters (01-08-2017)“…A theoretical model of temperature-anomalous diffusion has been developed on the basis of computer calculation results. It has been shown that the behavior of…”
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12
The Pollen of Plants of the Shrub Layer in the Urban Green Space as an Indicator of the State of Atmospheric Air of the City (on the Example of Representatives of the Genus Forsythia)
Published in Vìsnik Harkìvsʹkogo nacìonalʹnogo unìversitetu ìmenì V.N. Karazìna. Serìâ Ekologìâ (17-11-2021)“…It is especially important to assess the potential mutagenicity of the air environment in the area of active life and human respiration. In our opinion,…”
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13
Almost Periodic Solutions of the Lotka–Volterra Systems with Diffusion and Nonfixed Times of Pulsed Action
Published in Journal of mathematical sciences (New York, N.Y.) (01-12-2019)“…We study the conditions of existence and asymptotic stability of strongly positive piecewise continuous almost periodic solutions of the Lotka–Volterra systems…”
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14
Controlled heating of a cylindrical plasma using the features of an exceptional point
Published in I͡A︡derna fizyka ta enerhetyka (25-03-2023)“…The paper proposes a method of controlled heating of a cylindrical plasma using the features of the Exceptional point. It is shown that the coupled system of…”
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15
Laser-Hardened and Ultrasonically Peened Surface Layers on Tool Steel AISI D2: Correlation of the Bearing Curves’ Parameters, Hardness and Wear
Published in Journal of materials engineering and performance (01-02-2018)“…This paper is focused on the effects of the separately applied laser heat treatment (LHT) and ultrasonic impact treatment (UIT) and the combined LHT + UIT…”
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16
A CONVECTIVE MODEL OF A ROTON
Published in East European journal of physics (01-01-2017)“…A convective model describing the nature and structure of the roton is proposed. According to the model, the roton is a cylindrical convective cell with free…”
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17
Laser Processing of High-Entropy VNb2TaCrMoWTi0.3B0.6 Alloy Coatings for Wear Reduction in Dry Friction with Different Counterfaces
Published in Powder metallurgy and metal ceramics (01-09-2023)“…The microstructure, phase composition, and microhardness of the cast high-entropy VNb 2 TaCrMoW alloy with the addition of titanium diboride were studied. The…”
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18
Assessment of potential hazard for humans when eating apples and grapes treated with insecticide based on spiromesifen
Published in Medychni perspektyvy (01-01-2023)“…Chemical plant protection products account for at least 3 % of all biosphere pollutants and are the most studied pollutants on our planet. A very significant…”
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19
On the Stability of Solutions of Evolutionary Equations with Nonfixed Times of Pulse Actions
Published in Journal of mathematical sciences (New York, N.Y.) (2017)“…In an abstract Banach space, we establish conditions for the stability of bounded solutions of a nonlinear evolutionary equation with sectorial operator in the…”
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20
Nonlinear interaction of macrosteps on vicinal surfaces at crystal growth from vapor
Published in Journal of crystal growth (15-01-2020)“…•Kinematic waves form on the vicinal NaCl(1 0 0) surfaces at growth from vapor.•The KdV-Burgers equation for the growth model is derived by the averaging…”
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