Research 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.
- 242. Redox свойства и каталитическая активность в реакции окисления со медьсодержащих цеолитных систем
Каталитическая активность образцов в реакции окисления монооксида углерода. Изучение способности к восстановлению ионов меди в медьсодержащих катализаторах методом термопрограммированного восстановления. Корелляция между температурами полного превращения.
Friction units for automotive and special vehicles are designed to operate under friction conditions. The development of a unified understanding of the effect of the size and chemical nature of ceramic additives on the processes occurring in a friction.
Influence 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.
A new amine-functionalized graphene oxide nanosheet was prepared via covalently grafting reaction. Results showed that adsorption capacity of GO was significantly improved by amine functionalization. The Langmuir isotherm and pseudosecond kinetic model.
Study of the reaction of polyelectrolytes. Research of the structure and membrane properties of sodium carboxymethylcellulose and urea-formaldehyde oligomer. Development of technology for manufacturing biocompatible polymeric materials for medicine.
- 247. Review of graphene properties in view of its use as a substrate for matrix-free mass spectrometry
The graphene basic properties is given. The possible role of intrinsic and deliberately induced structural defects in electronic and chemical properties of graphene substrates. Optimized geometric structures for the Stone-Wales defect functionalized.
A review on novel ring transformations of dinitropyridones and nitropyrimidinones. The synthesis of functionalized molecules, such as nitroanilines, nitropyridines by the ring transformation of dinitropyridones as the nitromalonaldehyde equivalent.
Описание свойств RR-винной кислоты и её производных, в качестве лигандов различных металлов. Расширение познаний в области химии. Составление представлений о гидролизе органических соединениях. Экспериментальное получение производной винной кислоты.
Примеры реакций с участием SH-формы гидросульфит-иона. Реакции получения кислот (анионов). Окислительно-восстановительные свойства соединений серы (IV). Строение анионов политионовых кислот, особенности ионной жидкости. Катионные формы теллура и селена.
Основные физические и химические свойства натрия, калия, магния и кальция. Важнейшие соединения калия. Способность магния гореть как в воде, так и в атмосфере углекислого газа. Получение, нахождение в природе фосфора, азота, хлора, серы, фтора, йода.
Примеры реакций с участием SH-формы гидросульфит-иона. Реакции получения кислот (анионов). Уравнения реакций кислот, оснований и амфотерных гидроксидов. Окислительно-восстановительные свойства соединений серы. Строение анионов политионовых кислот.
Изучение строения, свойств и биологического значения S-метил-L-метионина (SMM) – аминокислоты, которую ранее относили к витаминоподобным веществам. Различные фармакодинамические эффекты и возможности для применения в клинической практике S-метилметионина.
The 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.
Research modifications in the process of protective coating forming while heating. Examination of interaction between silicium organic compounds based on the rich polymethylphenylsiloxane. Opportunities of their utilization for high-temperature.
Quantitative evaluation of the antimicrobial ability of silver nanoparticles in comparison with silver ions, evaluation of the antimicrobial effectiveness of silver nanoparticles when introduced into water-soluble paints, cotton fabrics, fibrous sorbents.
The formation of non-canonical DNA structures as one of the most important elements of gene expression regulation. Characteristic specific features of the basic oligonucleotide sequences and thermal stabilities of the G-rich polynucleotide fragment.
Synthesation, physicochemical properties of nanopowders LaPO4-LuPO4-H2O and LaPO4-YPO4-H2O. Investigation of thermal behavior orthophosphate nanosized solid solutions. Discussion results of the experiment, solubility and melting temperatures of systems.
The possibility of the supramolecular nano structures formation on the basis of iron and nickel heteroligand complexes. Formation of different supramolecular nanostructures on the basis of nickel and iron heteroligand complexes as models for Ni(Fe)ARD.
The use of a sorbent to study the preliminary concentration of V (V) ions in the liquid phase. Establishment of optimal conditions for sorption. Influence of the concentration of metal ions and the time of reaching chemical equilibrium on sorption.
Determined 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.
The application of a new, simple and rapid spectrophotometric method to the determination of palladium in the intermetallides Yb40Pd38Sn22 and Yb40Pd40Ga20. Interaction of palladium(II) ions with 5-hydroxyimino-4-imino-1,3-thiazolidin-2-one at pH = 5.0.
Crystals of the [Cu(C4H7N3S)Cl] (1)-complex were synthesized by solvothermal reaction of 2-amino-5-ethyl-1,3,4-thiadiazole (C4H7N3S) with CuCl in hydrochloric acid solution, and studied by X-ray diffraction. 3D hydrogen-bonded framework in complex.
Consideration of the results of x-ray diffraction of the considered chemical compounds. Structural properties of the films of magnesium oxide. Substantiation of optimum parameters of temperature of synthesis of organic and many inorganic compounds.
The 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.
Characteristics of the methods of improving the electrical properties, the proper maintenance alloys for electrical purposes. Analysis of the influence of heating temperature on microhardness of the types foreign made Aluminium-Zirconium alloy wires.
The dissolution of the electrolyte causes a change in the structure of water depending on the nature of dissolved ions. The structural features of aqueous solutions of electrolytes. Temperature, pressure has a influence on the structure of electrolytes.
Silicides of rare earth metals. Crystallographic data for a binary compound in Pr-Si and Zr-Si systems. Study of the structure of the binary compound Zr3Si2. Analytical correction of absorption. Displacement parameters and interatomic distances.
- 269. 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.
Synthesis, selection of new catalytic systems based on vanadium, molybdenum, zirconium, cobalt, iron for the conversion of methanol to formaldehyde and other valuable compounds, determination of their activity and kinetic regularities of the process.
