Compensation effect on Cu-Co-Fe oxide catalysts of CO oxidation
The occurrence of compensation effect on massive and supported oxide catalysts of CO oxidation is shown. The explanation of compensation effect is offered based on the data on the surface state of the catalysts that are obtained means desorption method.
Подобные документы
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.
статья, добавлен 30.08.2016Using phosphoric acid and phosphor pent oxide as new catalyst for preparing of derivatives of benzoxazole. Use of benzoaxol ring in medicinal chemistry. Synthesis of 1,3-(Benzene-1,3-diyl) bis(benzoxazole). Synthesis of 3-(2-Hydroxynaphthol) benzoxazole.
статья, добавлен 21.01.2021Specific features of measuring the magnetic hysteresis of nano-sized multiferroic BiFeO3 powders synthesized by sol-gel method using citric acid at room temperature. Characterization of the main magnetic parameters of the obtained nanopowder samples.
статья, добавлен 12.05.2018The basic properties of alkoxides. Production technology of alkali metals alkoxides. Direct Synthesis in the Interaction of Metal and Alcohol. Interaction Metals Oxides and Hydroxides with Alcohols. Exchange reactions with alcohols, transesterification.
статья, добавлен 28.07.2017- 80. 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.
статья, добавлен 21.12.2016 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.
статья, добавлен 30.07.2016Technique of chemical etching as a promising method for creating nanostructures of si. The development of photovoltaic converters and methods of production resoursesaving for silicon micro - and nanostructures based on isotropic and anisotropic etching.
статья, добавлен 30.07.2016- 83. Preparation and properties of hybrid poly(3,4-ethylenedioxythiophene)–carbon nanotubes composites
It was investigated the infrared spectra of the hybrid composites poly. The current-voltage characteristics of the obtained materials. It is shown that increasing the content of carbon nanotubes leads to decrease of the resistance of hybrid films.
статья, добавлен 30.07.2016 Study of antibacterial properties of tissue obtained by ionotropic gelation of sodium alginate. Calculation of the diameter of microcapsules using the software Image J. Gas chromatography of the surface of tissue, finished with microencapsulated camphor.
статья, добавлен 09.03.2021The temperature dependence of the sulfur and tin vapor. Influence of growth conditions on the morphology of the surface and structural properties of the films with the stoichiometric composition and substrate temperature on their chemical composition.
статья, добавлен 30.07.2016Using measurements of surface tension, solubilization, and fluorescence spectroscopy, the detection of polyesters based on aliphatic dicarboxylic acids and PEG-1000 to form monomolecular micelles in aqueous solutions at the concentrations of 10-7-10-4 %.
статья, добавлен 23.02.2016Film materials with ion-exchange properties based on polymer obtained by condensation of oligoepichlorohydrin epoxide and piperazine with chemical modification. Compounds that have different thermodynamic affinities with the polymer and with each other.
статья, добавлен 30.10.2016Equilibrium 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.
автореферат, добавлен 02.04.2014Established based on the theory of nuclear interactions and data on the binding energy of nucleons for the set of known nuclides. Familiarization with fragment of the periodic table of chemical elements. Characteristic of parameters of the metric tensor.
статья, добавлен 29.04.2017Tetrahydroxycalix[4]arene, tetraalkoxycalix[4]arenes and tetraalkylcalix[4]resorcinarenes are capable to reversible adsorption on the surface of the hydrophobic support lichrosorb RP 18. Conditions reversed high-performance liquid chromatography.
статья, добавлен 28.08.2016Study of synthesis of silica-based organic-inorganic hybrid materials with grafted 2-aminoethylpyridine functional groups. By elemental analysis to determine the composition of substances. Analysis of surface-structural characteristics of SiAEP.
статья, добавлен 02.04.2014Depth profiles of the near-surface region and chemical composition for amorphous films deposited from Ge33As12Se55 bulk glasses and their changes resulting ageing under ambient conditions have been studied by the methods of Auger electron spectroscopy.
автореферат, добавлен 02.04.2014Experimental study of interaction of water with the substrate and the role of cesium as a promoter for the adsorption of water on the strontium titanate surface. Enhancement of the catalytic properties of metal oxides by the addition of alkali species.
статья, добавлен 30.07.2016- 94. Study of processes during electrolysis of organic dye solution by means of ion-photon spectrometry
Spectral composition and quantum yield of radiation of the excited particles sputtered by an ion beam from surfaces of the dried sediment formed on electrodes at the electrolysis of the organic dye were studied by the method of ion-photon spectrometry.
статья, добавлен 27.07.2016 The technology for the synthesis of two coumarin-chalcone hybrids by means of Kleisen-Schmidt condensation between 3-acetylcoumarin with benzaldehyde and 4-chlorobenzaldehyde, respectively. Method of identification and control of a chemical process.
статья, добавлен 15.01.2021The mechanism of binding of Cr(acac)3 molecules at active sites of the surface of silica and alumina supports. Silica support due to hydrogen bonding with acetylacetonate ligand. Interaction of p-electrons of acetylacetonate ligands with Al3+ sites.
статья, добавлен 19.03.2014Synthesis of sorption-active material carrying groups 5% chlorosulfonic acid by radiation-induced graft polymerization of styrene monomer on the surface of non-woven polypropylene fabric with subsequent sulfonation of the grafted polystyrene chains.
статья, добавлен 02.04.2014Influence of temperature on the photoluminescence of rhodamine deposited on array of the gold nanoparticles was studied. The factor of surface plasmonic enhancement of rhodamine luminescence. Electron-phonon scattering and thermal expansion of the gold.
статья, добавлен 30.07.2016Biological, physical and chemical properties of macrocyclic compounds based on the researches of membrane activity. Finding of the certain concentration of filipin for increase of conductivity, definition of selectivity and single ionic filipin channels.
статья, добавлен 22.02.2021Main calculation of activation volumes for interstitials and vacancie. Diffusion equations for point defects. Surface generation and recombination of point defects. Simulation of stacking fault growth. Simulation of stress-nediated dopant diffusion.
статья, добавлен 29.04.2017