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.

Tetrahydroxycalix[4]arene, tetraalkoxycalix[4]arenes and tetraalkylcalix[4]resorcinarenes are capable to reversible adsorption on the surface of the hydrophobic support lichrosorb RP 18. Conditions reversed high-performance liquid chromatography.

Conducting a study of the activities of the assay and analytical laboratory to determine the gold content in gold-containing products. Atomic absorption, tetrometric and assay-gravimetric analysis methods for determining the gold content in products.

The dependence of spectral properties and interfragmental charge transfer on excitation, relaxation and excited state deactivation of 2-(3-coumaroyl)-benzopyrylium perchlorates. The positions of emission bands and rate constants of radiationless.

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.

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.

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.

Направленный синтез низкомолекулярных биорегуляторов насекомых. Химические превращения производных 4-метилтетрагидропирана, l-ментола и рицинолевой кислоты. Синтез эндо- и экзогормонов насекомых на основе продуктов алкилирования ацетоуксусного эфира.

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.

Mecamylamine - a nonselective antagonist of nicotinic acetylcholine receptors that was developed as an antihypertensive medication. Application of mecamylamine - one of the processes that decreased inter-event intervals between continuous discharges.

Study 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.

Studying of the structure of low-metamorphosed coal vitrain macromolecules. The mechanism of thermal preparation in gas coal electromagnetic field is shown. The influence mechanism of the high-frequency electromagnetic energy on the coal particle.

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.

Obtaining an idea of the averaged molecular field characterizing the interaction of the sorbent molecule with the surface of the sorbent. Making an attempt to calculate the interaction energy in the case of sorption of non-polar adsorbent molecules.

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.

Дослідження реакційної здатності N-арилсульфоніл–n-хінонімінів. Синтез, реакції та пошук шляхів практичного використання N-заміщених -n-хінонімінів та продуктів їх реакцій. Дослідження стеричного напруженого зв'язку С= N в заміщених хінонімінах.

Розробка методу синтезу N-ацилокси-N-алкоксигемінальних систем. Дослідження їх будови і хімічних властивостей, особливо аніонної рухливості ацилоксигрупи. Вплив природи третього замісника біля атома нітрогену на легкість нуклеофільного заміщення.

Нуклеофільний обмін ацилоксигрупи в N-ацилокси-N-алкоксиамідах при взаємодії з лужними солями карбонових кислот. Заміщення ацилоксигрупи в реакціях N-ацилокси-N-алкоксисечовин з триметилфосфітом, ціаністим натрієм, ацетилхлоридом і триметилхлорсиланом.

Химическая модификация структурно близких N-алкил-4-гидрокси-2-оксо-1-(2-цианоэтил)-1,2-дигидрохинолин-3-карбоксамидов, амидного фрагмента этих соединений и замена одного из атомов водорода метильной группы в соединении новым ароматическим ядром.

Analysis of application of natural gas purification technology with diethanolamine to study the efficiency of the absorption process, which has wide practical application. Determination of optimal conditions for different composition of the source gas.

One- and two-dimensional p-conjugated materials containing a tetraoxa circulene monomer are predicted on the basis of density functional theory techniques. The synthesis organic p-conjugated materials and their applications in optoelectronic devices.