Synthesis ferroelectric compounds Sr(B1/3Nb2/3)O3 by solid state reaction technique. Consideration of the correlation between the dielectric response and transport behavior. Emprovement dielectric material properties. Motion energy storage devices.
Classification of terpenes. Diterpenes - organic compounds of terpenes group consisting of 4 isoprene units. Properties. Application. Drugs of the triterpene saponins. Gliderinin. Bioslastilin. Physical and chemical properties of triterpene saponins.
Study the effect of ultra-low concentrations of docetaxel and recombinant human beta-defensin-2 in the nanomolar range clusters on the proliferation and viability of anaplastic thyroid carcinoma KTC-2 cells. Expression of cell cycle regulatory factors.
The distribution of contribution of adsorption and dissolution to retention volume of individual components in gas-liquid chromatography as dependent on the amount of liquid crystal stationary phase deposited on solid support and on the temperature.
Development of a method of mixing the hydroxides for the preparation of Lі[Ni0.5Co0.25Mn0.25]O2 from the respective products. Determination of average grain size, the measurement of impedance. Study of electrochemical properties using cyclic voltammetry.
Study of the electrochemical oxidation of methyl tert-butyl ether on micromodified and composite lead dioxide anodes. Anodic conversion of MTBE and electrochemical processes of water oxidation with formation of hydroxyl radicals and molecular oxygen.
Electrodeposition of cobalt-silver and cobalt-tungsten alloys from citrate electrolyte. Characteristic of their catalytic and anticorrosive properties. Effect of the ratio of the electrolyte components depending on the composition of the cobalt alloy.
Equilibrium spatial structure of the Si89(OH)43 H36 cluster model simulated for a pyramid-like formation on porous silicon surface has been calculated within the frameworks of density functional. Distribution of electronic charge and static field is got.
Chemical hazards and toxic substances pose a wide range of health hazards (such as irritation, sensitization, and carcinogenicity) and physical hazards (such as flammability, corrosion, and explosibility). Explosives. Gases. Flammable liquids, solids.
The structural, theoretical and synthetic properties of enamines which act as important intermediates in many syntheses of organic compounds containing oxygen. Cycloaddition reactions, electrochemistry, hydrolysis and biochemistry of metalated enamines.
Testing scheme of the synthesis of ester atsalamov acids and subsequent cyclization of the intermediate 3-hydrazinopyridazine-2-ones with carbonyl-containing compounds to provide chemical diversity of the final products containing a practical substitute.
Using the matrix synthesis protocol of Ryoo for the preparation of highly ordered cubic mesoporous carbon using mesoporous silica as a template, in order to prepare palladium-doped. Analyzes formation of mesoporous carbon followed by X-ray diffraction.
Kinetic regularities of epoxy resins modification by aliphatic and aromatic dibasic acids have been studied. The effective rate constants and activation energies of the reactions between epoxy resin and acids by different nature have been calculated.
Discusses the amorphous materials in terms of absorption of electromagnetic infrared radiation as the integral characteristic of a photoelectric converter. The spectrum obtained experimentally was shown with the consideration of the main absorption peak.
Електрохiмiчна регенерація розчинів у виробництві оксидованих полiсахаридiв. Процес окислення йодат-іонів до перйодат-iонiв на платинових та дiоксидсвинцевих титанових анодах. Ефективність анодних матеріалів. Ітенсифiкуючий вплив домішків хлорид-iонiв.
Brief biographical information about the life of F. Haber - a German chemist and Nobel laureate. Investigation the reaction of nitrogen with hydrogen, which produces ammonia. The essence of Le Chatelier's Principle. The main function of the catalyst.
Dmitro Ivanovich Mendeleev - the great Russian scholar and lexicographer, chemist and physicist, engineer, geologist and even a meteorologist. Mikhail Lomonosov. Ukrainian chemist - Ivan Gorbachevski. Amedeo Avogadro. Ernest Rutherford. Robert Boyle.
The using nickel powders as electrode materials in multilayered ceramic capacitors. Development of technology of Ni/NiO nanopowders obtaining with particle size of 20 nm and minimal impurities content. The analyses of powder microstructure the products.
The method of synthesis of fluorinated heterocycles. The use of mono- and 1,3-dicarbonyl substrates and their nitrogen-containing analogues. Biological activity, physical and chemical properties of heterocyclic compounds with perfluoroalkyl groups.
Study of influence of amino acids on the hydroxyapatite formation. Study of mineral obtained by transmission electron microscopy and powder X-ray diffraction. Analysis of the phase composition, crystal size and lattice microstrains of calcium phosphate.