Consideration of oxygen as a basic element of atmosphere of Earth, his constituents, oxides, behavior of oxygen as a result of combustion, use of oxygen in a fuel, way of his receipt, production and uses of oxygen in different industries of industry.
Studies, 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.
Concerning the separation, identification, and determination of the relative amounts of the components making up a sample. The relationship between analytical chemistry and the other sciences. Classification of modern analytical methods in chemistry.
The objects of the cultural heritage discovered by archaeologists on the area of ancient Kyiv. The topographical examination the fragments of gold tissues (XI–XVI ad.). Content two kinds of materials: golden spiral threads and light colour flakes.
The hydrothermal method for preparation nanostructures with controllable morphologies. Synthesis of different morphologies of PbTe such as nanoparticles, nanorods of PbTe with using of Pb(NO3)2, TeCl4 and N2H4H2O in presence of different surfactants.
Tetrahydroxycalixarene, tetraalkoxycalixarenes and tetraalkylcalixresorcinarenes are capable to reversible adsorption on the surface of the hydrophobic support lichrosorb RP 18. Conditions reversed high-performance liquid chromatography.
Synthesis methods development of ionic liquids based on quaternary ammonium salts, their application as components of the polymeric electrolytes for electrochemical devices. Рroperties of liquids depending on the structure of cationic and anionic parts.
Benzisothiazolium Salts. Heterocyclic Annulated Isothiazolium Salts. Structure. X-ray Diffraction. Molecular Spectra. Analytical methods. Reactivity, general survey. Oxidation to Sultims and Sultams. Ring Transformation in Other Heterocyclic Compounds.
The kinetic of origin and transformation of the Fe(II)–Fe(III) LDH structures on the steel electrodes surface contacting with FeSO4 and Fe2(SO4)3 dispersion medium of the air oxygen into the system was studied. X-ray diffraction method of investigation.
Еxperimental investigations concerning coefficient of moisture pore diffusion from grain during filtration drying. The coefficient of pore diffusion the model was used basing on the solution of differential equation under boundary conditions of the type.
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.
Incorporation of metal nanoparticles into photovoltaic cells attracts much attention last years as a promising way for efficiency improvement by light trapping. Direction of light scattering and a red shift of light scattering efficiency maxima.
Heterocycles with one, two, three and four heteroatoms. Fused heterocycles incorporating pyridine rings. Quinolines, isoquinolines, and their fused rings. Spiroheterocycles and a solvent-free one-pot reaction of a mixture of meldrum’s or barbituric acid.
Synthesis and reactions of heterocyclic compounds in chemistry. Three- and four-membered heterocycles: heterocycles with one heteroatom (oxiranes, thiiranes, aziridines). Five-membered heterocycles: heterocycles with one, two, three and four heteroatom.
Treating the properties of oxidized activated carbon KAU by different temperatures in inert atmosphere were studied by means of DTA, Boehm titration, XPS and AFM methods and their catalytic activity in hydrogen sulphide oxidation was established.
Molecular geometry - the general shape of a molecule or the arrangement of atoms in three dimensional space. Physical and chemical properties of an atom. Main examples of predicting molecular geometry. The valence shell electron and her repulsion.
Crystalline and electronic structures of nanoalumina alone and in different mixtures with nanosilica. X-ray diffraction and ultrasoft X-ray emission spectroscopy. Pore size distributions calculated. Resalts of the OKa emission bands of alumina in samples.
Magnetic microstructure of near-surface layer ataxin film iron-trog the grenade orientation. Dagoniat matrix nuclear Hamiltonian mixed magnetic dipole and electric quadrupole interactions. The orientation of the magnetic moments of cationic sublattices.
Вивчення основних властивостей та розробка методів одержання похідних сірчистої, трифторометансульфінової та трифторометансульфонової кислот, у яких один або два атоми кисню заміщені на сильноакцепторні групи NSO2CF3. Дослідження їх реакційної здатності.
Зручні методи одержання N-(трифторометилсульфоніл) імінопохідних сірчистого ангідриду та оксогалогенідів сірки. Одержання трифторометилсульфінових кислот й їх похідних, у яких один (два) атоми кисню заміщені на NSO2CF3 групи. Властивості одержаних сполук.