Search Results - "Ishchenko, A. V."
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Investigation of Amorphous Carbon in Nanostructured Carbon Materials (A Comparative Study by TEM, XPS, Raman Spectroscopy and XRD)
Published in Materials (27-01-2023)“…Amorphous carbon (AC) is present in the bulk and on the surface of nanostructured carbon materials (NCMs) and exerts a significant effect on the physical,…”
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The evolution of the M1 local structure during preparation of VMoNbTeO catalysts for ethane oxidative dehydrogenation to ethylene
Published in RSC advances (22-10-2018)“…The so-called M1 phase (the common formula (TeO) (Mo, V, Nb) O ) is a very promising catalyst for ethane oxidative dehydrogenation (ODE). It shows 90%…”
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Evaluation of grain yield performance and its stability in various spring barley accessions under condition of different agroclimatic zones of Ukraine
Published in Biosystems diversity (01-01-2022)“…Two extremely urgent problems of biological and agronomic research nowadays are ensuring an optimal balance between usage of natural resources to meet rapidly…”
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Synthesis of Nanoscale TiO2 and Study of the Effect of Their Crystal Structure on Single Cell Response
Published in TheScientificWorld (01-01-2012)“…To study the effect of nanoscale titanium dioxide (TiO2) on cell responses, we synthesized four modifications of the TiO2 (amorphous, anatase, brookite, and…”
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Synthesis and Optical Properties of YAG : Ce Ceramics with a High Cerium Concentration
Published in Russian journal of inorganic chemistry (01-08-2021)“…Samples of YAG : Се optical ceramics with an activator concentration of 0.5, 1, 5, and 10 at. % were synthesized by a solid-phase method. The synthesis of the…”
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Thermochemical and luminescent properties of RbVO3, CsVO3, and Rb0.5Cs0.5VO3
Published in Inorganic materials (01-10-2011)“…RbVO 3 , CsVO 3 , and Rb 0.5 Cs 0.5 VO 3 have been synthesized by the Pechini process. The vanadates have an orthorhombic structure (sp. gr. Pbcm ), melt…”
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ZnS Nanopowders and ZnS/Ag2S Heteronanostructures: Synthesis and Properties
Published in Russian journal of inorganic chemistry (01-09-2020)“…Zinc sulfide ZnS nanopowders were prepared by chemical deposition from aqueous solutions of zinc nitrate and sodium sulfide in the presence of sodium citrate…”
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Thermal Decomposition of [Cu(H2O)2(C8H4O4)], [CuNi(H2O)4(C8H4O4)2], and [Ni(H2O)2(C8H4O4)2](H2O)2 with the Formation of Metal and Bimetal Nanoparticles
Published in Russian Journal of Physical Chemistry A (01-08-2021)“…A comparison is made of the thermoanalytical characteristics and the composition and structure of solid products of the thermal decomposition of ortho…”
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Cobalt oxide catalyst for hydrolysis of sodium borohydride and ammonia borane
Published in Applied catalysis. A, General (28-02-2011)“…[Display omitted] ▶ Active Co 2B phase is formed from Co 3O 4 under the action of aqueous NaBH 4. ▶ Correlation between ferromagnetic properties of catalyst…”
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Formation of spring barley productivity depending on seed inoculation with a biopreparation and foliar fertilization in the Steppe of Ukraine
Published in Agrology (01-11-2021)“…Scientifically substantiated application the elements of technologies with the use of microbiological preparations, macro- and microfertilizers, new growth…”
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Structure Formation of Zinc-Substituted Hydroxyapatite during Mechanochemical Synthesis
Published in Inorganic materials (01-04-2020)“…— Zinc-substituted hydroxyapatite samples with a preset degree of substitution (Са 10 – х Zn x (PO 4 ) 6 (OH) 2 , x = 0.1–2.0) have been synthesized by a…”
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Composition, Morphology, and Structure of Ultrafine ZnS–ZnO Powders Alloyed with Transition Metal Oxides
Published in Physics of metals and metallography (01-05-2024)“…—Ultrafine ZnO–ZnS powder with d -metal oxide additions, namely, V 2 O 5 , MnO, Fe 2 O 3 , CoO, NiO, and CuO are studied. The alloying of the ZnO–ZnS system…”
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The Nature of Synergetic Effect of Manganese Oxide and Platinum in Pt–MnOX–Alumina Oxidation Catalysts
Published in Topics in catalysis (01-02-2017)“…The phase and chemical compositions, size and morphology of Pt particles, manganese oxides, and alumina in the binary Pt–MnO x –alumina catalysts have been…”
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Mono-, Bi-, and Trimetallic Catalysts for the Synthesis of Multiwalled Carbon Nanotubes Based on Iron Subgroup Metals
Published in Journal of structural chemistry (01-04-2020)“…Formation features of mono- (Fe, Co, Ni), bi- (Fe-Co, Fe-Ni, Co-Ni), and trimetallic (Fe-Co-Ni) catalysts for the synthesis of multiwalled carbon nanotubes…”
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Transport features in layered nickelates: correlation between structure, oxygen diffusion, electrical and electrochemical properties
Published in Ionics (01-04-2018)“…Oxygen migration is increasingly acknowledged as playing an important role in the ionic transport in mixed conductors and influencing the electrode…”
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Quantum Size Effect in Bimetallic Nanoparticles Obtained via Thermolysis of Solid Solutions of Co(II), Ni(II), Zn(II) Salts of Maleic Acid
Published in Russian Journal of Physical Chemistry A (01-10-2020)“…Powder X-ray diffraction and the thermoanalytical characteristics of solid solutions with compositions [(Co x Ni 1 – x )(H 2 O) 4 (C 4 H 3 O 4 ) 2 ], [(Co x…”
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Effects of the Synthesis Temperature on the Intrinsic Luminescence in g-C3N4
Published in Bulletin of the Russian Academy of Sciences. Physics (01-10-2022)“…Samples of graphite-like carbon nitride g-C 3 N 4 are synthesized via the thermal annealing of urea in air at temperatures of 450–600°C. The relationship…”
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Effect of Gadolinium Additives on the Active Phase Morphology and Physicochemical and Catalytic Properties of MoVSbNbGdOx/SiO2 Catalysts in the Oxidative Dehydrogenation of Ethane to Ethylene
Published in Kinetics and catalysis (01-12-2022)“…The effect of gadolinium additives on the morphology, phase composition, and catalytic properties of MoVSbNbGdO x /SiO 2 catalysts in the oxidative…”
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Ni and Ni–Co Catalysts Based on Mixed Ce–Zr Oxides Synthesized in Isopropanol Medium for Dry Reforming of Methane
Published in Russian journal of physical chemistry. B (01-12-2022)“…Single-phase Ce–Zr oxides with a fluorite structure were synthesized by the solvothermal method in an isopropanol medium. Synthesis was performed at the…”
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Using Current-Voltage Characteristics to Control the Structure of Contacts in Polyethylene Based Composites Modified by Multiwalled Carbon Nanotubes
Published in Journal of structural chemistry (01-04-2020)“…The conductivity of three types of composites prepared by mechanical melt mixing from polyethylene (PE) and multi-walled carbon nanotubes (MWCNTs) with an…”
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