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2(94)/2019-Химия
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Browsing 2(94)/2019-Химия by Title

Browsing 2(94)/2019-Химия by Title

Now showing items 1-13 of 13

Application of technology of problem-based learning in the discipline «Methodology of carrying out school chemical experiment»

Abeuova, S.B.; Naushabekova, D.D.; Muslimova, D.M.; Abeuova, E.B.; Tussupbekova, E.K.; Dyussekeyeva, A.T. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-28)

The article presents the results of an experiment on the application of problem-based learning technology in teaching chemistry. Problem learning is aimed at the independent search for new knowledge and ways of action, and ...
Boiling temperature and the enthalpy of water vaporization exposed to high frequency electromagnetic field

Chirkova, V.Yu.; Sharlayeva, Ye.A.; Stas, I.Ye. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-28)

The article is dedicated to the study of the influence of a high-frequency electromagnetic field on the boiling temperature and the enthalpy of water vaporization. It has been established that as a result of exposure to ...
Component composition of Achillea salicifolia Besser essential oil and its biological activity

Suleimen, Ye.M.; Zhanzhaxina, A.Sh.; Ishmuratova, М.Yu. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-28)

In the present article the component composition and biological activity of the essential oil of Achillea salicifolia Besser (Asteraceae Family) were studied. The raw material of plant was collected during the flowering ...
Determination of quinine in drugs and beverages by fluorimetric method

Nikolaeva, A.A.; Korotkova, E.I.; Lipskikh, O.I. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-28)

A highly sensitive and simple fluorimetric method for the determination of quinine in pharmaceuticals and non-alcoholic beverages is proposed. The optimal conditions for quinine fluorimetric determination in drugs and ...
Institute of Organic Synthesis and Coal Chemistry: the present state and development prospects

Muldakhmetov, Z.М. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-28)

The article is an overview of the research carried out in the LLP «Institute of Organic Synthesis and Coal Chemistry of RK» in recent years. The application of methods of ultrasonic and microwave chemistry to the processes ...
Lanthanum-magnesium-nickel tellurite: thermodynamic and electrophysical characteristics

Rustembekov, K.T.; Kasymova, M.S.; Minayeva, Ye.V.; Bekturganova, A.Zh. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-28)

Lanthanum-magnesium-nickel tellurite with composition of La2MgNiTeO7 was synthesized from La2O3, NiO, TeO2 oxides and MgCO3 with the help of the ceramic technology. The temperature dependences of the isobaric heat capacity ...
Production of syngas from agricultural wastes by plasma-chemical method

Mustafin, E.S.; Ainabayev, A.A.; Sadyrbekov, D.T.; Pudov, A.M.; Kaikenov, D.A.; Pudov, I.M.; Borsynbayev, A.S. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-28)

A promising technology for utilization of agricultural waste is chemical plasma technology based on hightemperature plasma-chemical effects and the decomposition of hydrocarbon products to produce synthesis gas. Emulsified ...
Solution behavior of quenched or strongly charged polyampholytes in aqueous-salt solutions

Toleutay, G.; Shakhvorostov, A.V.; Kabdrakhmanova, S.K.; Kudaibergenov, S.E. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-28)

Quenched (or strongly charged) polyampholytes based on fully charged anionic monomer — sodium salt of 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS) and cationic monomer — (3-acrylamidopropyl)-trimethylammonium chloride ...
«Solvent-less» mechanochemical approach to the synthesis of allobetulin and some of its esters

Arrous, S.; Bolde, A.; Boudebouz, I.; Lyapunova, M.V.; Bakibayev, A.A. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-28)

Various significant biological activities have been recently found for allobetulin and its derivatives which in combination with their low toxicities lead to an increased research effort. In the present work allobetulin ...
Study of supramolecular inclusion complexes of pseudoephedrine, lupinine, anabasine and cytisine with β-cyclodextrin by NMR spectroscopy

Nurkenov, O.A.; Seilkhanov, T.M.; Fazylov, S.D.; Issayeva, A.Zh.; Seilkhanov, O.T.; Vlasova, L.M. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-28)

The 1H, 13C and DEPT one-dimensional NMR and two-dimensional spectroscopy methods COSY (1H-1H), HMQC (1H-13C) and TOCSY (1H-1H) were used to study the alkaloids pseudoephedrine, lupinine, anabasine and cytisine and their ...
The reaction of C-alkylation of eudesmanolide (–)-α-santonin

Merkhatuly, N.; Iskanderov, A.N.; Omarova, А.Т.; Vojtíšek, P.; Zhokizhanova, S.K. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-28)

This article is concerned with sesquiterpene γ-lactones of the eudesman structure, which is promising class of natural organic compounds and characterized by a wide spectrum of physiological activity. Stereoselective ...
Thermal capacity of new nanodimensional cobalt-cuprate-manganite LaLi2CoCuMnO6 and nickelite-cuprate-manganite LaLi2NiCuMnO6 in the interval of 298.15–673 K and their thermodynamic properties

Kassenov, B.K.; Kassenova, Sh.B.; Sagintaeva, Zh.I.; Kuanyshbekov, E.E.; Kopylov, N.I. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-28)

The specific thermal capacities of our new obtained nanodimensional cobalt-cuprate-manganite and nickelitecupratemanganite of lanthanum and lithium of structures LaLi2CoCuMnO6 and LaLi2NiCuMnO6 were first studied with the ...
Voltammetric determination of carbaryl in some cereals on an impregnated graphite electrode modified with carbon ink

Gashevskaya, A.S.; Gusar, A.O.; Dorozhko, Ye.V.; Dyorina, K.V.; Kenzhetayeva, S.O. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-28)

Nowadays, pesticides are an integral part of our lives. These compounds are contained in food, water, soil. Consequently people consume them constantly in significant amounts. Therefore, the control of pesticides content ...

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Browsing 2(94)/2019-Химия by Title

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