Two possible approaches to the phenothiazine ring that, to the authors’ knowledge, have not been explored yet. The attack of a nitrene onto a diary sulde, the "nitrogen equivalent" of the thionation reaction. The diene character of ve-membered rings.

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.

An ion-pair model has been proposed explaining the origin of acidic sites at the silica surface–aqueous solution interface. Importance of role of the dissociated water is shown in the hydrolysis of the saccharose adsorbed on the surface of silica.

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.

Isomeric aminobenzoic acid – an important chemical product of organic synthesis used in the production of synthetic dyes, medicinal and aromatic substances, wines, pesticides. Investigation the reaction of the oxidization of 2- and 3-aminotoluenes.

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.

Catalytic, electrical, optical and magnetic properties of cobalt sulfide. Chemical structure and application of inorganic compounds and salts the sulfurous acid. Brief description of the structure of pyrite. Methods for the synthesis of the metals.

Development 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.

Каталітична активність та поверхневі властивості нанесених на силікагель оксидних каталізаторів Cu—Co—Fe реакції окиснення СО. Термодесорбційні дослідження впливу на активність оксидних каталізаторів кількості низькотемпературної альфа-3-форми СО2.

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.

Study 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.

Понятие и сущность sp3-гибридизации. Модель атома с sp3-гибридными орбиталями. Примеры соединений, для которых характерна sp3-гибридизация. Характеристика электронного строения атома углерода. Химические связи и гибридизация орбиталей атома углерода.

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.

Electrochemical 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.

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.

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.

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.

Ag-Ni alloy films were electrodeposited from an ammonia solution on copper substrates at various material ratios and current densities. Investigation of electrical conductivity and pH, formation of complexes with silver and nickel. X-ray diffraction.

To study the activity of functional groups of polyurethanes, the characteristics of the stabilization process, the formation of silver nanoparticles. The use of antimicrobial polymeric materials. The interaction of hydrogen bonds between groups of biuret.

Studying The Effect of the Stabilizer Amount on The Prepared Silver Stannate. The relation between stabilizer type and the required time of the separation process. Studying the Stability of the Silver Stannate in the Presence of P-carrageenan Stabilizer.

The 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.

Ion exchange separation of sulfate and chloride with highbasic anionite Сl-species at regeneration solutions treatment for their reiterative use, followed with solutions’ desalination at reverse osmosis plant, and resulting concentrates’ demineralization.

Justification of the qualitative composition of excipients for encapsulation in the production of "Apised" capsules – a new original medicine, created on the basis of: powder of natural honey and medicinal plant raw materials (hop cones, lavender).

Investigation of the influence of electronic effects of substitution of maleic anhydride with hydrazine in acetic acid. Determination of CO stretching vibrations in the middle of the strip plane strain. Characteristics of magnetic shifts quinazolines.