Types of chemistry
Study matter and change and the types of systems. Studying the molecules of life by organic chemistry. Identification and quantification of materials in a mixture in analytical chemistry. Chemical principles underlying basic biological systems.
Подобные документы
Polymers, inorganic and organic, amorphous and crystalline substances consisting of "Monomeric units" connected in a long macromolecule chemical bonds. Molecular modeling of melting process of solid polymers in the transition and plastic deformation.
статья, добавлен 23.02.2016Isomeric 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.
статья, добавлен 22.03.2016The features of production of Fe:MgAl2O4 nanopowders by evaporation of targets made from a oxide mixture by repetitively pulsed laser radiation. Differences in the phase compositions of the solid powder substances. A rate of the cooling the ytterbium.
статья, добавлен 18.09.2018Characteristics of the initial C9 fraction. Unsaturated hydrocarbons conversion, their concentration. Products of pyrolysis diesel fuel production of ethylene. Cooligomerization of C9 fraction unsaturated hydrocarbons initiated by organic peroxides.
статья, добавлен 23.02.2016The 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.
статья, добавлен 20.09.2024Method of syntesis of novel N-substituted 3-(aminosulfonyl)-2H-1-benzopyran-2-one in the Knoevenagel condensation conditions. Studing the biological activity of derivatives against protozoan and helminth parasites, active against Onchocerca lienalis.
статья, добавлен 19.02.2014The structural, theoretical and synthetic properties of enamines which act as important intermediates in many syntheses of organic compounds containing oxygen. Cycloaddition reactions, electrochemistry, hydrolysis and biochemistry of metalated enamines.
книга, добавлен 05.03.2013Study of kinetic parameters and the basic kinetic regularities of aldol condensation reaction of propionic acid with formaldehyde on B2O3-P2O5-WO3/SiO2 catalyst in the gas phase. Methods of obtaining polymer materials with valuable technical properties.
статья, добавлен 23.02.2016The novel approach to chemical design of carbon-coated Al2O3 nanoparticles with an average particle size of 8-10 nm was developed. Carbon coating was synthesised by modification of fumed alumina support with 4,4-methylenebis and its subsequent pyrolysis.
автореферат, добавлен 02.04.2014Classification of terpenes. Diterpenes - organic compounds of terpenes group consisting of 4 isoprene units. Properties. Application. Drugs of the triterpene saponins. Gliderinin. Bioslastilin. Physical and chemical properties of triterpene saponins.
презентация, добавлен 15.01.2017Change 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.
статья, добавлен 23.02.2016Brief biographical information about the life of F. Haber - a German chemist and Nobel laureate. Investigation the reaction of nitrogen with hydrogen, which produces ammonia. The essence of Le Chatelier's Principle. The main function of the catalyst.
реферат, добавлен 04.02.2015The use of block copolymers on the basis of oxides of ethylene and propylene as demulsifiers of oil emulsions. Determination of the dependence of their physico-chemical properties from the content oxyethylene and oxypropylene groups in the molecule.
статья, добавлен 23.02.2016SiO2 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 02.04.2014Structure, a composition, a biological role, synthesis and catabolism of phospholipids. Conversion of Squalene to Cholesterol. Determination of interdependence of the deficiency of hydrolytic enzymes and lysosoms support sphingolipidosis development.
презентация, добавлен 05.10.2015Chemical compositions of Portland cement. Possibility of using waste glass in building technology. A structure alkaline compounds. Study of fine-grinded glass. Influence additives on the induction and post-induction periods of Portland cement hardening.
статья, добавлен 23.02.2016The 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.
статья, добавлен 08.01.2021Established based on the theory of nuclear interactions and data on the binding energy of nucleons for the set of known nuclides. Familiarization with fragment of the periodic table of chemical elements. Characteristic of parameters of the metric tensor.
статья, добавлен 29.04.2017Determination explosion ability of fine-dispersion substances as slaked lime, standard fire extinguishing powder containing ammophos, sludge from the chemical unit of the cold rolling plant of the steel sheet containing iron oxide, dolomite dust.
статья, добавлен 11.08.2021- 95. Ti-Al alloy
A new process for developing titanium aluminides using chemical vapor synthesis was investigated in a laboratory experiment. Aluminum subchloride was used as the reducing agent in the reaction with TiCl4 and the source of aluminum for Ti-Al alloy.
лабораторная работа, добавлен 01.11.2019 The study of physico-chemical properties of modified forms of natural biopolymers – carboxymethyl cellulose and xanthan gums, their ability to film formation water-soluble polymeric compositions and the influence on growth and productivity of crops.
статья, добавлен 23.02.2016Chemical derivatives of 1,2,4-thiazole as biologically active chemicals intended for the protection of plants for agricultural purposes, such as biocides and fungicides when preserving books. Impact of chemicals on humans, animals and the environment.
статья, добавлен 21.07.2018Catalytic, 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.
статья, добавлен 30.07.2016Chemical hazards and toxic substances pose a wide range of health hazards (such as irritation, sensitization, and carcinogenicity) and physical hazards (such as flammability, corrosion, and explosibility). Explosives. Gases. Flammable liquids, solids.
презентация, добавлен 18.09.2016The dedicate this work to describing the state of the art in biopolymers. A short case studies developed by the team that currently composes LaBioS, cover several areas, ranging from drug release, through environmental recovery, to food security.
статья, добавлен 13.04.2022