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2(90)/2018-Химия
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Browsing 2(90)/2018-Химия by Issue Date

Browsing 2(90)/2018-Химия by Issue Date

Now showing items 1-16 of 16

Preparation and characterization of empty nanoparticles of poly-D,L-lactic acid and serum albumin

Tazhbayev, Ye.M.; Burkeyev, M.Zh.; Zhaparova, L.Zh.; Zhumagalieva, T.S.; Arystanova, Zh.T.; Mukhanova, D.A. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

The methods of preparation of polymeric nanoparticles and nanocapsules on the basis of such polymers as human serum albumin and poly-D,L-lactic acid are shown in this article. Human serum albumin and poly- D,L-lactic ...
Experimental study of the electrical conductivity of water, dilute aqueous solutions of alkali metal chlorides and alcohols under the electromagnetic field influence

Stas’, I.E.; Chirkova, V.Yu.; Shtobbe, I.A. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

The article is devoted to the study of the influence of a high-frequency electromagnetic field on the electrical conductivity of water, aqueous solutions of alkali metal chlorides and dilute aqueous solutions of normal ...
Modeling of acute aqueous toxicity of organic compounds for Daphnia magna

Vazhev, V.V.; Munarbaeva, B.G.; Yergaliyeva, E.M.; Vazheva, N.V.; Gubenko, M.A. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

Methods for the assessment of the environmental hazard of chemicals include the detection of acute aquatic toxicity of compounds for various small organisms, these are test objects. Experimental determination of ...
The number average and mass average molar masses of polyethylene(propylene)glycol fumarates

Burkeyev, M.Zh.; Kudaibergen, G.K.; Tazhbayev, Ye.M.; Burkeyeva, G.K.; Omasheva, A.V.; Yesentayeva, N.A.; Bolatbay, A.N. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

Unsaturated polyesters are interesting for theoretical and practical studies, since along with the simplicity of economical production, contain in their composition unsaturated double bonds, which makes it possible ...
Study of the influence of initial contents of arsenic of the Khovu-Aksy dumps on effectiveness of the developed regimes of their dearsenization

Kopylov, N.I.; Moldurushku, M.O. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

Dumps of arsenic-containing wastes from the former Tuvakobalt combine are one of the most dangerous objects of Tuva. The combine’s wastes were accumulated in ponds (dumps) for 20 years of operation of the combine. After ...
Formation of critical thinking skills at the lesson of the discipline «Chemistry of Elements»

Kokibasova, G.T.; Dyussekeyeva, A.T.; Kaztayeva, S.Kh. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

A methodology for conducting classes using new forms of work that promote the development of critical thinking has been developed. The first year students took part in the experiment. Pedagogical experiment consisted of ...
Development of composite hydrogel materials for cleaning the inner surface of pipelines

Blagikh, Ye.V.; Sadakbayeva, Zh.K.; Klivenko, A.N.; Nurakhmetova, Zh.A.; Sigitov, V.B.; Kudaibergenov, S.E. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

Flexible, mechanically strong composite hydrogel materials based on polyacrylamide hydrogel (PAAH), clay minerals (kaolin, bentonite and montmorillonite), poly-N-vinylpyrrolidone (PVP) and SiO2 were developed for cleaning ...
Pilot-scale tank biooxidation of gold bearing arsenopyrite concentrates

Shaikhutdinov, V.M.; Zhappar, N.K.; Ten, O.A.; Balpanov, D.S.; Kanafin, Ye.N.; Khannanov, R.А.; Erkasov, R.Sh.; Bakibaev, A.A.; Kezdikbaeva, A.T. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

This article shows the results of experimental tests of bacterial oxidation of arsenopyrite gold concentrate that contains gold (60 g/t), sulfides (23 %), iron (26 %) and arsenic (11 %). A consortium, consisting of ...
Synthesis and electrophysical study of cobaltites of composition LnMIICoO3.5 (MII — Mg, Ca, Sr, Ba)

Mustafin, E.S.; Kaykenov, D.A.; Omarov, Kh.B.; Kasenov, R.Z.; Dyussekeyeva, A.T.; Abeuova, S.B.; Borsynbayev, A.S. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

This work is devoted to study of electrical properties, phases of LnMIICoO3.5 (MII – Mg, Ca, Sr, Ba) which structure resembles to the structure of perovskite. The phases were obtained by solid-phase synthesis in ...
Study of the thermal properties of clays from the Krasnoyarsk and Sukpak deposits of Tuva

Kopylov, N.I.; Solotchina, E.P. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

The most important factor in the development of industry and the construction industry of individual and hard-to-reach regions is the availability of their respective raw materials and energy base. Their possible ...
Optimization of the technology for obtaining ecdysterone from Serratula coronata L. by varying the extraction methods and growth phases

Temirgaziev, B.S.; Tuleuov, U.B.; Baizhigit, E.A.; Minayeva, Ye.V.; Salkeyeva, L.K.; Tuleuov, B.I.; Adekenov, S.M. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

complex study of the aerial part of Serratula coronata L. cultivated in the collection area of medicinal plants of the IRPH «Phytochemistry» (Karaganda) in different phases of growth and using the most optimal extraction ...
Nanoparticles on the basis of polylactic acid and polylactic-co-glycolic acids loaded with drugs

Tazhbayev, Ye.M.; Burkeyev, M.Zh.; Zhaparova, L.Zh.; Zhumagalieva, T.S.; Arystanova, Zh.T. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

In this article a brief review on the research works devoted to the synthesis and investigation of polymeric nanoparticles and nanocapsules on the basis of polylactic acid and its copolymer with polyglycolic acid is given. ...
Evaluation of pressure and volumetric modules in melted systems

Issagulov, А.Z.; Kazhikenova, S.Sh.; Shaikhova, G.S.; Makhmetova, G.Sh.; Kasymova, L.G. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

In the article there were estimated the pair potential and pressure of bulk modules in molten systems. There are given appropriate formulas for calculating the compressibility of electron melts. The polytherms of ...
Proton exchange in ammonia, water and formic acid dimers: quantum-chemical calculation

Pustolaikina, I.A.; Kutzhanova, K.Zh.; Pushchina, A.V.; Kurmanova, A.F. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

Proton exchange in hydrogen-bounded complexes occupies an important place among dynamic processes taking place in molecular systems with hydrogen bond. However, despite numerous experimental and theoretical studies in ...
Variation of the stereoparameters for description geometry of calix[4]arenes — more suitable solution for «flat systems»

Klimentova, J.; Vojtisek, P. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

This article deals with a variation of previously introduced parameters α, β, and δ which were used to describing the all possible conformations of these compounds, cone, partial cone, 1,2- and 1,3-alternate conformers of ...
Nonempirical modeling of protolytic processes in dimeric molecules of amino acids

Kutzhanova, K.Zh.; Kurmanova, A.F.; Pustolaikina, I.A.; Ismagulov, B.M. (Ye.A.Buketov Karaganda State University Publishing house, 2018)

Quantum-chemical modeling of intermolecular proton exchange in dimers of aminoacetic acid was carried out using an unempirical unrestricted Hartree-Fock method using the 3–21G basis set. Three main structural isomers of ...

Browsing 2(90)/2018-Химия by Issue Date

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