Study of ternary intermetallic compounds RxMyXz (R = rareearth Element, M = d-metal, X = p-metal). Results of identification of the new R-Au-Al compound. The starting materials for the synthesis of R-Au-Ga. Function of the profile form of pseudo-Voigt.
Synthesis of block copolymers via the polymerization of methyl methacrylate initiated by Ce4 - PEG system using a functional peroxidecontaining the services of an agent. Rheological and colloidal-chemical characteristics of new polyampholitic surfactant.
Анализ квантово-химическими методами электронного строения N-алкилиминов, механизмов передачи электронных эффектов, факторов, влияющих на барьеры инверсии атома N. Двух- и четырехэлектронные взаимодействия, влияющие на изменение барьеров инверсии атома N.
The article discusses solutions to the problem of recycling wood waste and its use as a raw material for the production of new high-quality materials for industries. The purpose is to obtain composite materials containing wood waste and epoxy resin.
The purpose of our research is to summarize information about oil, the use of various fractions of natural and synthetic petroleum acids (boiling away in the ranges of 125-175°C, the synthesis of their water-soluble complex salts with alkanolamines).
Obtaining via hydrolysis of tetraethylorthosilicate in presence of template agent Pluronic P123 Ag/Au bimetallic nanoparticles in porous sol-gel silica films on glass. Definite amounts of AgNO3 and HAuCl4 by dip-coating procedure by a thermal treatment.
On the basis of experimental studies and mathematical modeling, the choice of optimal conditions for 2,3-dimethylbuta-1,3-diene and 2-hydroxyethyl methacrylate cyclization reaction with obtaining of 2-hydroxyethyl-1,3,4-trimethylcyclohex-3-carboxylates.
- 188. Organic сhemistry
Chemical properties of organic compounds derived from ammonia. The mechanism of substitution of hydrogen for hydrocarbon radicals within molecules. Classification of the most common amines. Familiarization with the formula for the secondary amine.
Organometallic complexes of Non-Transition Metals with Scandium, Titanium, and Vanadium Group Metals, with Chromium Group Metals, with Three, Two and One Carbonyl Groups. Meaning of polypyridine ligands, especially the formation rhenium and ruthenium.
Non-transition elements. Titanium, vanadium, manganese, iron, cobalt, nickel group. Late transition and rare earth metals. Titanium and zirconium precursors give rise predominantly to the a-metallated species. Tantalum precursors non-transition elements.
Основные положения теории химического строения А.М. Бутлерова, её значение для развития органической химии. Виды изомерии. Классификация ациклических соединений по виду функциональных групп, входящих в состав. Карбоциклические (алициклические) соединения.
Общее описание фосфора как элемента V группы, металла. Характеристика его основных аллотропных модификаций. Применение треххлористого и пятихлористого фосфора при синтезах различных органических веществ. Источники загрязнения окружающей среды фосфором.
Change of palladium ions concentration during cementation on the magnesium disk in dimethylformamide solution. Chemical microparticles and agglomerates anorganic chlorine compound. Palladium adhesion to the substrate surface in dimethylformamide.
The desorption non-isothermal kinetics of preliminary adsorbed Cl, Br, and I-containing volatile halocarbons from the surface of surrogates for atmospheric solid aerosols (fumed silica and alumina, silica gel and H-mordenite) was studied by TPD MS.
A new universal method of estimating the chemical shifts values of the methylene groups. Change the values of 1H and 13C each methylene group in the result of the conversion by replacing the long fragments –(CH2)K– and –(CH2)I– of the Vice alculated.
Analysis of spectral characteristics of a steady state (excitation and emission) spectra of photoluminescence of europium included in the single crystal and glassy lithium tetraborate and silica to distinguish oxidation, the site-symmetry and morphology.
Technique of chemical etching as a promising method for creating nanostructures of si. The development of photovoltaic converters and methods of production resoursesaving for silicon micro - and nanostructures based on isotropic and anisotropic etching.
- 198. Phylogenetic study on structural elements of HIV-1 poly(A) region. 2. USE domain and TAR hairpin
Phylogenetic study of the structural elements of poly(a) region of human immunodeficiency virus type 1 (HIV-1) to stimulate polyadenylation HIV-1 transcription and TRANS-activation response hairpin that combines space and uses the AAUAAA signals.
The aim of this study was to determine the quantitative and qualitative determination of fatty acids in the fruits of the plant Zosima absinthifolia, which is widespread in Absheron, as well as to study its physicochemical and organoleptic properties.
Physico-chemical characteristics of I-40 and MS-20 commercial mineral oils. The use of such oils for the lubrication of molds in the manufacture of glass containers. The study of the thermal stability of oils and their fractions of hydrocarbons.
Describes macroscopic of piezoelectric response of a macroscopic array of nanorod crystals of cadmium sulfide. Research of irregular shape of six-sided polyhedron and demonstrate piezoelectric response similar to their counterpart crystals grown.
Using polyethylene terephthalate in fibers for clothing, containers for liquids and foods, thermoforming for manufacturing. Polycondensation of oligomers and polymers in the solid phase, like in other methods of carrying out the polycondensation process.
The role of the technique of volumetric titration with a working solution of sodium thiosulfate with a visual indication of the starch equivalence point during the analysis of the residual active chlorine. Evaluation of its advantages and disadvantages.
- 204. Preparation and characterization of iron complexes based on polysaccharides from agaricus bisporus
The possibility of obtaining soluble iron complexes based on polysaccharides, Agaricus bisporus, maximum yields of samples. Nanoscale polycyclic complexes of ferric hydroxide and mushroom polysaccharides. The ability to use concentrated solutions.
Hierarchical structure and multi-level organization of cellulose. Preparation of cellulosic nanomaterials. Mechanically-induced deconstructing strategy. Cellulose properties (mechanical, thermal, and barrier) that change during nanoscaling process.
- 206. Preparation and properties of hybrid poly(3,4-ethylenedioxythiophene)–carbon nanotubes composites
It was investigated the infrared spectra of the hybrid composites poly. The current-voltage characteristics of the obtained materials. It is shown that increasing the content of carbon nanotubes leads to decrease of the resistance of hybrid films.
The use of ethylene oxide (EO) as a chemical intermediate. A suggested process flow diagram Ethylene Oxide Process. Process Details: feed, effluent, recycle streams, deliverables and grading. Economic analysis the equivalent annual operating cost.
Synthesis of sorption-active material carrying groups 5% chlorosulfonic acid by radiation-induced graft polymerization of styrene monomer on the surface of non-woven polypropylene fabric with subsequent sulfonation of the grafted polystyrene chains.
Production and use of non-isocyanate polyurethanes based on cyclic carbonate oligomers. A suitable non-isocyanate polyurethane and a hybrid polymer comprising other different oligomeric systems. Pollution of unstable biuret and allophanate units.
The absorption spectra of substances by vitamins solutions. The calculation of molar absorption coefficients. The spectrum of the triple multivitamin solution. Mass determination of B vitamins in polyvitamin. Spectrophotometric analysis of the components.