MgH2 insights for hydrogen storage and catalysis: preparation, characterization and mechanism
The preparation methods, characterization methods and reaction basis of various catalysts modified by MgH2. Analysis of the development trend of various catalysts in the future and the application prospects. The most promising hydrogen storage media.
Подобные документы
Schematisation of defects in oil pipelines. Numerical and analytical methods of calculating stress. Paris power dependence. Methods of definition of cyclic crack resistance of a pipe material. Characteristics of cyclic crack resistance of steel.
??????, добавлен 29.06.2016Development of a method of mixing the hydroxides for the preparation of L?[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.
??????, добавлен 21.12.2016Homogeneous precipitation synthesis of nanocomposites - activated carbon – zirconium(IV) oxide. Characterization of samples by x-ray diffraction analysis and electron microscopy. Sorption properties and the degree of extraction of phosphate ions.
??????, добавлен 23.02.2016- 54. ?hemical Bonds
The chemical bonds formed by the interaction of electrons. Compound atoms in the molecule. Filled valence shell. The orbital space around the nucleus. The relationship between hydrogen atoms. Interaction of alkali or alkaline earth metals with halogens.
???????????, добавлен 22.02.2015 Preparative and research methods of biochemistry, molecular biology, and biotechnology. Application of the affinity of biological molecules to complementary structures. Consideration of using scheme for activation cascade of the blood clotting system.
??????, добавлен 15.04.2024Synthesis of a polymer by the reaction between maleic acid and 2-methylquinoxaline 1,4-dioxide. Using photocatalysis during synthesis. The reaction of the polymer with maleic acid molecules. Determination of the reaction mechanism and polymer structure.
??????, добавлен 03.11.2020Research and characterization of the most common used solar cells which are based on silicon technology. Determining width of the space charge region and quantum yield of solar cells. Influence and analysis of recombination losses on efficiency.
??????, добавлен 30.07.2016- 58. 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 The carotenoid nature of the glycoside is protocrocin. Study of the dependence of the chemical composition of a saffron product on its growing season, time of collection, storage and processing. Accumulation of protocrokin and its transformation.
??????, добавлен 27.02.2021- 60. Kinetics of liquid-phase hydrogenation of n-valeraldehyde to n-amyl alcohol over a Ru/Al2O3 catalyst
Schematic diagram of the experimental setup for hydrogenation. Effect of catalyst loading on initial rates of reaction. The use of gas chromatography for the analysis of the reaction. Langmuir–Hinshelwood-type models for single, dualsite mechanisms.
??????, добавлен 20.10.2014 The interaction of CO molecules with clean and oxygen-modified Mo(110) surface has been investigated by means of density functional calculations. That on both clean and oxygencovered Mo(110) surfaces CO molecules are tilted with respect to the normal.
???????????, добавлен 02.04.2014On the basis of experimental studies and mathematical modeling, the choice of optimal conditions for 2,3-dimethylbuta-1,3-diene and 2-hydroxyethyl methacrylate cyclization reaction with obtaining of 2-hydroxyethyl-1,3,4-trimethylcyclohex-3-carboxylates.
??????, добавлен 23.02.2016The main applications of propylene oxide from the production of synthetic polymers to medical devices and accessories are established. Moreover, the main physical properties and storage and transportation conditions of propylene oxide are described.
??????, добавлен 14.02.2025Quantum-chemical calculation of thermodynamic features dye. Spatial structure of the colouring agent "active bright orange CS/5K" molecule. Kinetics process of wastewater treatment from the dye. Mechanism of wastewater treatment from active bright orange.
??????, добавлен 30.08.2016Development of a new approach to the simultaneous determination of two reducing agents, which is based on the dependence of the rate of their reaction. Automation of the method using a typical device of the method of sequential injection analysis.
??????, добавлен 30.10.2016The complexation of 3-alkylcarbonyloxy-7-dihydro-3?-1,4-benzodiazepine with the central benzodiazepine receptors at six temperatures. The ester carbonyl groups in compounds 1 and 2 are also supposed to form different hydrogen bonds with the receptor.
??????, добавлен 05.03.2014The transformation of 4-oxo-3,4-dihydroquinazolinone derivatives containing an ester group under the conditions of the Grignard reaction. Investigated acetic acid esters proceeds involving the ester group and the excess. The studying reaction of reagent.
??????, добавлен 01.03.2014Identification 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 25.03.2016- 69. The influence of modified methyl cellulose on the main properties of expanding cementing slurries
The effect of modified methylcellulose on the main properties of expanding cementing slurries. When cementing low-temperature wells, expanding cementing slurries based on a mixture of Portland cement and gypsum alumina cement cement (30-25% GAC) are used.
??????, добавлен 20.03.2024 Analysis of the results of the design and selection of compounds antimicrobial ointments containing gentamicin as the main active ingredient gallotannin and succinyl as a component of antiresistant against multiresistant strain of Pseudomonas aeruginosa.
??????, добавлен 29.10.2016?omparative analysis the chemistry of technetium and rhenium ?arbonyl perchlorates [M(ClO4)(CO)5]. The descriptions of their molecular structure, physical properties, types of materials, methods and procedures for their synthesis and reactivity.
??????, добавлен 30.01.2014Natural zeolite clinoptoline and its nanomodified forms have been used for modification of structures of the composite building materials. Characteristics of this zeolite have been studied by thermal analysis, IR spectroscopy, and adsorption methods.
???????????, добавлен 02.04.2014- 73. Ir spectroscopy and tg analysis investigations of functionalized go and go-containing divinyl rubber
Analysis of the results of a study of graphene oxide and divinely rubber containing graphene oxide, functioning-RO (Oh)2 slot groups as a result of a kill-chlorophosphorylation reaction under the action of PCl3 in the presence of oxygen. Synthesis of GO.
??????, добавлен 10.05.2018 Control of the stability of calibration characteristic Algorithm of operational control of the error of determination of ammonium ions in drinking water. Photocolorimetric determination of ammonium ion content. Precautions when performing the analysis.
???????, добавлен 19.06.2022The use of scanning electron microscopy to study the reactivity of iron in yellow color with different iron concentrations. Substantiation of the possibility of applying the archeometric approach in studies of the chemical corrosion of ancient documents.
??????, добавлен 21.12.2016