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Постійне посилання на розділhttps://repository.kpi.kharkov.ua/handle/KhPI-Press/35393

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  • Ескіз
    Документ
    Bases of inorganic and organic chemistry
    (Національний технічний університет "Харківський політехнічний інститут", 2016) Ved, M.; Alami, D.; Slavkova, M.
    Stated fundamental theoretical principles of general, inorganic and organic chemistry and analyzed the reactivity of the most important classes of inorganic and organic substances. A multivariate tasks and exercises for classroom and independent work are proposed. For university students full-time and distance learning areas "Chemical Technology and Engineering" "Oil and gas engineering and technology" and others.
  • Ескіз
    Документ
    Functional properties of electrolytic alloys of Cobalt with Molybdenum and Zirconium
    (Institute for Single Crystals, 2016) Ved, M.; Koziar, M.; Sakhnenko, N. D.; Slavkova, M.
    Functional electrolytic alloy coatings Co-Mo and Co-Mo-Zr were deposited on substrates steel 3 from polyligand citrate-pyrophosphate bath using pulsed current. It was shown that the alloying components content, their distribution on the surface, morphology and topography of the coatings are depended on the electrolysis energetic parameters. It was established that the functional properties of the binary and ternary electrolytic cobalt alloys (corrosion resistance, catalytic activity in hydrogen evolution and carbon II oxide oxidation) are predetermined by material composition, morphology and relief of the surface. Stability Co-Mn, and Co-Mo-Zr systems in aggressive media due to increased susceptibility to passivity when the molybdenum and zirconium are in the coating is a prerequisite of their use for corrosion protection. The high level of the catalytic properties of Co-Mn, and Co-Mo-Zr associated with different affinities for alloying metals to oxygen and hydrogen evolution mechanism verification allows to recommend them for platinum metals replacement in heterogeneous catalysis.