Anodes for a trivalent chromium electroplating bath
Study of the electrochemical behavior of various anode materials in electrolytes containing trivalent chromium salts. Semiconductor properties of electrodes. The choice of the optimum anode material for the processes of chromium from electrolytes.
Подобные документы
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.
??????, добавлен 23.12.2016- 102. Hydrodynamics modeling of gas separator inertial and filter elements for natural gas fine cleaning
The trends in the development of modern gas separation equipment have been considered. On the basis of computer modeling the optimal size of the device has been obtained. Reasonable choice of a computer and mathematical experiments has been shown.
??????, добавлен 21.12.2016 Halogenated hydrocarbons and their wide use in industry as a coolant, electric insulation and separation of liquids. Studies on modification of thermoplastic materials, on the basis of a mixture of polypropylene and polyamide 6 armored basalt fibers.
??????, добавлен 27.07.2016- 104. Phylogenetic study on structural elements of HIV-1 poly(A) region. 2. USE domain and TAR hairpin
Phylogenetic study of the structural elements of poly(a) region of human immunodeficiency virus type 1 (HIV-1) to stimulate polyadenylation HIV-1 transcription and TRANS-activation response hairpin that combines space and uses the AAUAAA signals.
??????, добавлен 27.03.2016 The development of rape-cake extract as eco-friendly volatile corrosion inhibitors. Analysis of volatiles by GC-MS. Theoretical study of molecular spatial structure, causes of the shortage of the energy and density of the extract, its key compounds.
??????, добавлен 23.02.2016The 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.
??????? ??????, добавлен 05.03.2013Plastic additives as a wide range of chemicals used by resin manufacturers, compounds and manufacturers to improve the properties, processing and characteristics of polymers. Features of their chemical composition and conditions of effective use.
??????, добавлен 10.03.2019The chemical structure of the polymer latexes. The influence of surfactants on the drip solution. The mechanism of anionic with a negative charge in the screed, acting as air entrainment. Hydrogen bonding, water absorption and compressive strength.
??????, добавлен 22.02.2015Thiophene derivatives, cyclopropenethiones, dithiynes, carbon disulfide in the synthesis of thienothiophenes and their analogues. Reactivity and chemical transformations. Molecular structures and physical properties fields of application thienothiophenes.
????????? ??????, добавлен 05.03.2013- 110. Organic ?hemistry
Chemical properties of organic compounds derived from ammonia. The mechanism of substitution of hydrogen for hydrocarbon radicals within molecules. Classification of the most common amines. Familiarization with the formula for the secondary amine.
???????????, добавлен 06.12.2016 The problem of identification of paints according to the commodity nomenclature of foreign economic activity. Chemical composition are received, structures, and other organoleptic, physical and chemical parameters of production of paints and varnishes.
??????, добавлен 10.03.2018The 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.
?????, добавлен 05.03.2013Influence of the basic nature of finely dispersed microfillers on the kinetics of hydrate release and localization and the degree of its crystallization. Formation of contacts between particles of systems, including various modifications of gypsum.
??????, добавлен 19.02.2021Consideration of oxygen as a basic element of atmosphere of Earth, his constituents, oxides, behavior of oxygen as a result of combustion, use of oxygen in a fuel, way of his receipt, production and uses of oxygen in different industries of industry.
???????????, добавлен 23.02.2014Chemical properties of sodium. Sodium compounds are important to the chemical, glass, metal, paper, petroleum, soap, and textile industries. History of appearance of sodium. The serum sodium and urine sodium.
???????, добавлен 09.03.2010Properties, combustion, electron energy levels. Elemental molecular forms. Covalent, organic compounds. Hydrides, protons, acids, isotopes. Discovery and use. Role in quantum theory. Natural occurrence, production: laboratory, industrial, thermochemical.
???????, добавлен 13.11.2009General properties of organometallic complexes. Metal alkyls and hydrides. Nucleophilic and electrophilic addition. Physical methods in organometallic chemistry. Insertion and Elimination. Homogeneous catalysis. Applications to organic synthesis.
?????, добавлен 05.03.2013Determined of the dissociation (deprotonation) constants of flavones in water-methanol mixtures. Research of features hydroxyflavones, which have been the convenient models for exploration of the intramolecular proton transfer in the excited state.
??????, добавлен 29.09.2016Identification techniques of fluacizine by color reactions and thin layer chromatography. The results of chromatographic analysis of fluacizine for two systems of solvents. The fluacizine detection by UV-spectrophotometry in phosphate buffer solution.
??????, добавлен 25.03.2016Dependence of the size of tannin nanocapsules on the nature of the shell. Considering the nanoparticle in guar gum having the lowest average value and the shell consisting of sodium alginate having the highest value. Properties of nanostructured tannin.
??????, добавлен 21.05.2023Historical Developments; the Revival of Troger’s Bases, the Synthesis and Mechanism of Formation. Multiple TB Systems, reactivity. Physicochemical properties, molecular and Crystal Structure; Nuclear Magnetic Resonance Spectra; uses and applications.
??????? ??????, добавлен 05.03.2013Definition and characterization of the alginate-hydroxyapatite beads that potentially which can be used for drug release due to the adsorptive properties. Investigation and consideration of the main features of alginatecontrolled crystallization.
??????, добавлен 30.07.2016The objects of the cultural heritage discovered by archaeologists on the area of ancient Kyiv. The topographical examination the fragments of gold tissues (XI–XVI ad.). Content two kinds of materials: golden spiral threads and light colour flakes.
??????, добавлен 01.04.2014- 124. The thermo- and magnetogalvanic phenomena in nanohybrid clathrates and their practical application
The changes in the properties of the structures at the formation them in a magnetic or electric field, as well as under light, were shown. According to impedance spectroscopy and thermally stimulated depolarisation methods structures were investigated.
??????, добавлен 30.07.2016 Characteristics: chemical properties, compounds, spectroscopy, isotopes. History, commercial production. Applications, biological role: maintaining body fluid volume in animals, maintaining electric potential in animal tissues. Dietary uses, precautions.
???????, добавлен 13.11.2009