Browsing 3(95)/2019-Химия by Title

Browsing 3(95)/2019-Химия by Title

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  • Research of amino acid content of Cichorium intybus L. and Urtica dioica L. by means of gas-liquid chromatography 
    Akhtayeva, M.B.; Azimbayeva, G.Ye. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    Content of amino acids in Cichorium intybus L. and Urtica dioica L. has been presented. Researches were carried out by means of gas-liquid chromotography. 20 amino acids were revealed in C. intybus L. аnd U. dioica L., ...
  • Sorbents based on mesoporous silicas modified with hydrazide functional groups 
    Batueva, T.D.; Kondrashova, N.B.; Scherban, M.G. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    The silica-based sorbents characterized by MCM-41 pore structure and modified with hydrazide groups were synthesized. The low-temperature nitrogen sorption method, X-ray phase analysis, FT-IR spectroscopy and scanning ...
  • Synthesis methods of phosphorylated carbamide containing acyclic and heterocyclic compounds 
    Bakibayev, A.A.; Zhumanov, K.B.; Panshina, S.Yu.; Gorbin, S.I.; Malkov, V.S.; Tsoy, I.G.; Massalimova, B.K.; Matniyazova, G.K.; Baybazarova, Е.А. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    In the paper, for the first time, an attempt of systematization of knowledge in the field of reactions of ureas and their heterocyclic derivatives with phosphorus containing reagents has been carried out. In the review due ...
  • Synthesis of a composite material based on coal mining waste using wave chemistry methods 
    Zhakina, A.Kh.; Vassilets, Ye.P.; Arnt, O.V.; Akzholtay, A.N.; Gazaliyev, A.M.; Muldakhmetov, Z.M.; Kenzhetayeva, S.O. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    Studies for developing composite materials based on coal waste in combination with coal and polymer raw materials under the influence of ultrasound have been carried out within the framework of creating effective and ...
  • Synthesis of hydrazone derivatives of isonicotinic acid under microwave activation conditions 
    Fazylov, S.D.; Nurkenov, О.А.; Seilkhanov, Т.М.; Karipova, G.Zh.; Hecke, K. Van; Suleimen, Ye.M.; Gazaliyev, A.M. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    In the article the results of studying the reaction of the interaction of isonicotinic acid hydrazide with various derivatives of aromatic aldehydes under conditions of microwave activation in an alcohol medium were ...
  • Synthesis, structure and antimicrobial activity of substituted chalcones and their derivatives 
    Ibrayev, M.K.; Akhmetova, S.B.; Takibayeva, A.T.; Issabayeva, M.B.; Nurkenov, A.O.; Seilkhanov, О.T. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    In the paper the interaction reactions of the hydroxyl substituted acetophenones with the substituted aromatic aldehydes in the presence of aqueous alcoholic solution of alkali (Claisen-Schmidt condensation), which is as ...
  • Synthesis, X-ray and quantum-chemical investigations of double tellurites of holmium 
    Rustembekov, K.T.; Kasymova, M.S.; Minayeva, Ye.V.; Kaikenov, D.A. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    Complex oxide phases, namely new double tellurites of holmium with the composition HoMeIITeO4.5 (where MeII — Sr, Ba) were synthesized with the ceramic technology from Ho(II), Te(IV) oxides and carbonates SrCO3, BaCO3 in ...
  • The optimization of device parameters for the separation of oily mixtures by sedimentation 
    Orazbayev, B.B.; Kurmangaziyeva, L.T.; Shambilova, G.K.; Muratbekova, A.A. (Ye.A.Buketov Karaganda State University Publishing house, 2019-09-30)
    Theoretical studies of optimal sizes of sedimentation equipment for water treatment polluted with oil residues and industrial effluents were carried out, and design and operation experience were analyzed. Thus, it was ...

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