Advances in the Chemistry of Naphthyridines
Analysis, synthesis and properties of six isomeric heterocyclic systems containing two fused rings of pyridine with different relative positions of the atoms of nitrogen - naphthyridines. Physicochemical properties and reactivity of naphthyridines.
Подобные документы
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.
реферат, добавлен 13.11.2009Investigation of optical absorption spectra of YAG: Cr, Mg, and GGG: Cr, Mg films during high-temperature annealing in oxidation and reduction atmospheres. Factors to increase in absorption in the visible region, the charge exchange of chromium ions.
статья, добавлен 29.09.2016Study 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.
статья, добавлен 17.02.2019History of the free element. Isotopes, properties: physical, chemical. Potassium cations in the body. Biochemical function, membrane polarization. Filtration, excretion, potassium in the diet and by supplement. Applications: biological, food, industrial.
реферат, добавлен 13.11.2009Electrochemical lithiation reactions of electrodes made of R5M3 alloys were studied in an organic electrolyte containing LiPF6 salt, using the conventional charge-discharge technique, and the reaction products were analyzed by X-ray powder diffraction.
статья, добавлен 23.02.2017Hydrogenation of these oxygen-stabilized n-phases with Ti2Ni-type structure proceeds through expansion of their unit cells by 15.5 and 17.3%, respectively, without change of the type of metal matrix. Insertion of deuterium atoms into the metal matrix.
статья, добавлен 23.02.2017The use of cation exchanger as a catalyst for the esterification reaction of diisopropyl ether absolutes - a method for creating waste-free technology for the production of isopropyl alcohol. The physical-chemical properties of received esterificates.
статья, добавлен 20.09.2018The study of the effect of bismuth nitrate (Bi (NO3) 3) deposited on tissue samples, coated tissue was evaluated by measuring the penetration of radiation. Various properties, such as mass per unit area, material thickness and surface morphology.
статья, добавлен 06.07.2020Studies, the specificity of interphase interactions and features of the formation of nanoheterogeneous structure in polymer system. Determining the structure of interfacial region, the supramolecular structure and mechanical properties of the composites.
статья, добавлен 30.07.2016Characteristic of features of rechargeable nickel-metal hydride batteries, which predominantly used in hybrid electric vehicles. Acquaintance with crystallographic data nickel-metal hydride. Analysis of thermodynamics and kinetics of the interactions.
статья, добавлен 23.02.2017Study 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.
статья, добавлен 30.10.2016Chemical identification of polymer additives and its significance for links in the plastics supply chain. The effect of additives on the properties of materials and on the cost of production of polymers. Quantitative determination of polymer additives.
статья, добавлен 10.03.2019Study of the disinfecting effect of the physical and chemical properties accompanying hydrodynamic cavitation on the sanitary index of microorganisms in water. Model for determining the result of disinfection in conditions of hydrodynamic cavitation.
статья, добавлен 21.12.2016The study of ion-exchange sorption of CS+ and sr2+ on clinoptilolite in original, modified e- and G-irradiation, decationated with hydrochloric acid, and the cation-contained form, the definition of the coefficient of sorption and distribution of KD, KS.
статья, добавлен 02.04.2014The crystal structures of the Dy2M17 (M = Fe, Co, Ni) compounds were investigated from single crystal X-ray diffraction data (Th2Ni17 type structure, space group). The Dy2M17 binaries (M = Co, Ni) dissolve limited amounts of carbon, up to 0.2 (M = Co).
статья, добавлен 23.02.2017- 116. The experimental study of the effect of raleukin on development of dithizone diabetes in rabbits
Diabetes mellitus in the structure of endocrine diseases. The study of the effect of antioxidant properties of a biological product is a recombinant receptor antagonist Il-1 relacin and hypoglycemic action for major reaction non-enzymatic glycosylation.
статья, добавлен 29.01.2016 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.
статья, добавлен 22.05.2022Film 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 30.10.2016Testing 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.
статья, добавлен 20.03.2016Analyzing the results obtained, it can be assumed that studied structure of compound crystallizes in its own structural type. The study of crystal structure of a compound contributes to a better understanding of its physical properties (ferroelectric).
статья, добавлен 05.09.2022SiO2 materials containing different magnetic fillers are obtained by the sol-gel method. It is studied the weakening of electromagnetic radiation in the frequency range 8–11.5 GHz by the materials obtained with the use of panoramic attenuation measurers.
статья, 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- 123. Effect of surface phenomena on selective separation properties of liquid crystal stationary phase
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.
автореферат, добавлен 02.04.2014 The pattern of pulse flows of cortical neurons is a complicated phenomenon. Apart from properties of single neurons, action of a system of neuronal circuits reflected in organisation of spike bursts. Characteristics of burst activity before irradiation.
статья, добавлен 26.07.2013Dependence of durability of coverages on nature and closeness of adhesive bonds. Use of silanes with an olefine carbon as an adhesion layer on metallic grounds, improves protective properties of coverages a steady-state by an ultraviolet irradiation.
автореферат, добавлен 02.04.2014