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Genre:Естественные науки (natural_sciences)
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101-110 of 126
periodical press (Magazines)
REDFERN S.A. T.
Redfern, S.A. T. Influence of inter-and intralayer chemistry on the dehydration of Ca-, K-, Mg- and Na montmorillonites: a combined thermogravimetry, synchrotron X-ray, and infrared stydy [Text] / S.A. T. Redfern, H. J. Bray , S. M. Clark // Шығыстың аймақтық хабаршысы. - 2014. - № 4. - 94-123 р.. - Bibliogr.: 121-123 р.
ISSN 1683-1667.
UDC:
542.934.8
Subject headings
- Dehydration
Annotation
The article examines the effect of interlayer chemistry on the dehydration of montmorillonites
Keywords
interlayer chemistry, dehydration, montmorillonites, thermogravimetry, synchrotron X-ray radiation, IR radiation
Kazakhstan
0/0 Free
periodical press (Magazines)
BESKUZOV N. B.
Beskuzov, N. B. Industrial wastewater treatment from oil and petroleum products with carbonate sludge [Text] / N. B. Beskuzov, N. E. Aikenova // Л.Н. Гумилев атындағы Еуразия ұлттық университетінің хабаршысы. Химия. География. Экология сериясы. - 2024. - № 3 (148). - P. 142-149. - Bibliogr.: p. 147 ISSN 2616-6771.
UDC:
502.51
Subject headings
- The aquatic environment
Annotation
The aim of the study is to develop and evaluate the efficiency of using carbonate sludge as an adsorbent for removing oil and petroleum products from wastewater
Keywords
adsorption, wastewater, adsorbents, carbonate sludge, water treatment, oil and petroleum products, суды тазарту, очистка вод
Kazakhstan
0/0 Free
periodical press (Magazines)
SUMBEMBAYEV A. A.
Sumbembayev, A. A. Introduction of rare species of the genus Allium L. of the Kazakhstan Altai in the Altai Botanical Garden [Text] / A. A. Sumbembayev, A. N. Danilova , O. A. Anufrieva [et al.] // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2024. - № 4 (116). - P. 108-118. - Bibliogr.: p. 114-115 ISSN 2518-7201.
UDC:
581.1
Subject headings
- Plant physiology
Annotation
The article presents the results of a long-term study of the seasonal rythm of development, biometric parameters and seed productivity of Allium ivasczenkoae Kotuch., A. ledebourianum Schult, et Schult., A. schoenoprasum L. in the exposition of natural flora of the Altai Botanical Garden
Keywords
Allium L., introduction, seed productivity, seasonal rhythm of development, Алтай флорасы, флора Алтая
Kazakhstan
0/0 Free
periodical press (Magazines)
География және геоэкология мәселелері = Вопросы географии и геоэкологии = Issues of Geography and Geoecology [Мәтін] : ғылыми журнал. – Алматы : География институты, 2007. - – Жылына төрт рет шығады. – ISSN 1998-7838.
Annotation
География және геоэкология ғылымдарының проблемалық сұрақтарына арналған мақалалар және де теориялық, әдістемелік, эксперименттік және қолданбалы сипаттағы ғылыми жаңалықтар, тақырыптық шолулар, сыни мақалалар мен сын пікірлер, ғылыми өмірдің хроникасы, библиографиялық мәліметтер жарияланады. 2021 ж. бастап "География және су ресурстары" атауымен шығарылады.
Kazakhstan
Numbers
38/38 Free
periodical press (Magazines)
AYAZBAYEVA A. YE.
Ayazbayeva, A. Ye. Immobilization of Methyl Orange and Methylene Blue within the Matrix of Charge-Imbalanced Amphoteric Nanogels and Study of Dye Release Kinetics as a Function of Temperature and Ionic Strength [Text] / A. Ye. Ayazbayeva, S. Z. Nauryzova , V. O. Aseyev [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 127-140. - Bibliogr.: p. 138-139 ISSN 2518-718Х.
UDC:
541.64
Subject headings
- Chemistry of macromolecules. Products of polymerization, polycondensation and polyaddition reactions
Keywords
polyampholyte nanogels, methyl orange, methylene blue, polyampholyte-dye complex, phase transition temperature, dye release
Kazakhstan
0/0 Free
periodical press (Magazines)
KAZHMURATOVA A. T.
Kazhmuratova, A. T. Influence of the RAFT Agent on the Reaction Direction of the Copolymerization of Polypropylene Glycol Maleate with Acrylic Acid [Text] / A. T. Kazhmuratova, M. S. Zhunissova , J. Plocek [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 189-197. - Bibliogr.: p. 196-167 ISSN 2518-718Х.
UDC:
54.04
Subject headings
- Chemical properties (and constants)
Annotation
This work demonstrates the capability of synthesizing new polymers based on unsaturated polyester and acrylic acid in the presence of a chain-transfer agent in a dioxane solution
Keywords
unsaturated polyester, polypropylene glycol maleate, acrylic acid, RAFT-polymerization
Kazakhstan
0/0 Free
periodical press (Magazines)
МUSSABAYEVA B. KH.
Мussabayeva, B. Kh. Interpolyelectrolyte Complex Chitosan – Alginate for Soil Structuring [Text] / B. Kh. Мussabayeva, Zh. S. Kassymova; L. K. Orazzhanova [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 102-111. - Bibliogr.: p. 112-113 ISSN 2518-718Х.
UDC:
541.6
Subject headings
- Chemical structure. Dependence of the properties of substances on the chemical structure. Chemistry of high polymers
Annotation
The article presents the results of a vegetation field experiment on soil treatment with an interpolyelectrolyte complex
Keywords
biopolymers, polysaccharides, interpolymer complex, vegetation experience, dark chestnut soil
Kazakhstan
0/0 Free
periodical press (Magazines)
SKAKOV M. K.
Skakov, M. K. Influence of silicon oxide and diabase powders on the degree of crystallization and chemical structure of a polymer (uhmwpe) coating produced by the method of gas thermal spraying [Text] / M. K. Skakov, N. Kantay , М. Nurizinova [et al.] - 2022. - № 4. - P. 153-163. - Bibliogr.: p. 161-163 ISSN 2224-5227.
UDC:
544.2:678.026.345
Subject headings
- Physical chemistry of solids, liquids and gases. Flame spraying
Annotation
The polymer coating layer was obtained by adding SiO2 powder and diabase to the composition of ultra-high molecular weight polyethylene and spraying it with a gas flame. The effect of mineral additives on the chemical composition and phase transition of the obtained coatings was explained by the methods of X-ray phase and infrared spectral analysis
Keywords
gas spraying, phase, crystallinity, SiO2 powder, ultra high molecular weight polyethylene, rремний оксиді , диабаз ұнтағы, газотермиялық тозаңдау, оксид кремния, диабазовый порошок, газотермическое напыление
Kazakhstan
0/0 Free
periodical press (Magazines)
ZHUMATOV K. KH.
Zhumatov, K. Kh. Influenza D viruses -pathogens forming a new genus in the orthomyxoviridae family [Text] / K. Kh. Zhumatov, A. I. Kydyrmanov , M. Kh. Sayatov // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Биология және медицина сериясы. - 2020. - № 2 (338). - P. 12-19. - Bibliogr.: p. 17-19 ISSN 2224-5308.
UDC:
578.832:578.4
Subject headings
- Orthomixoviridae. Ecology of viruses
Annotation
Three phylogenetic lines of the influenza virus D are described – D/OK, D/660, and D/Japan, which must be taken into account when preparing vaccines
Keywords
virus, influenza D, genome, cattle, phylogenesis, clade, HEF fusion protein, serology, D тұмауы вирусы, вирустар экологиясы, грипп D, экология вирусов
Kazakhstan
0/0 Free
periodical press (Magazines)
JALMAKHANBETOVA R. I.
Jalmakhanbetova, R. I. Isolation and in silico SARS-CoV-2 main protease inhibition potential of chrysoeriol from Chondrilla brevirostris Fisch. & C.A. Mey [Text] / R. I. Jalmakhanbetova, Ye. M. Suleimen , N. Abe [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 1. - Р. 78-85. - Bibliogr.: p. 84-85 ISSN 2518-718Х.
UDC:
547.972
Subject headings
- Natural xanthonic, flavone and flavonol dyes
Annotation
The article presents the results of a chemical study of Chondrilla brevirostris Fisch. and K.A. May. Several fractions were obtained by separating ethanol extract on column chromatography. Rechromatography and preparative thin-layer chromatography were used to further study the obtained fractions and the isolation of flavonoids
Keywords
сhondrilla brevirostris, аsteraceae, extraction, column chromatography, flavonoid, spectroscopy, molecular docking study
Kazakhstan
0/0 Free
REDFERN S.A. T.
INFLUENCE OF INTER-AND INTRALAYER CHEMISTRY ON THE DEHYDRATION OF CA-, K-, MG- AND NA MONTMORILLONITES: A COMBINED THERMOGRAVIMETRY, SYNCHROTRON X-RAY, AND INFRARED STYDY
periodical press (Magazines)
0/0 Free
BESKUZOV N. B.
INDUSTRIAL WASTEWATER TREATMENT FROM OIL AND PETROLEUM PRODUCTS WITH CARBONATE SLUDGE
periodical press (Magazines)
0/0 Free
SUMBEMBAYEV A. A.
INTRODUCTION OF RARE SPECIES OF THE GENUS ALLIUM L. OF THE KAZAKHSTAN ALTAI IN THE ALTAI BOTANICAL GARDEN
periodical press (Magazines)
0/0 Free
ГЕОГРАФИЯ ЖӘНЕ ГЕОЭКОЛОГИЯ МӘСЕЛЕЛЕРІ (2007)
periodical press (Magazines)
38/38 Free
AYAZBAYEVA A. YE.
IMMOBILIZATION OF METHYL ORANGE AND METHYLENE BLUE WITHIN THE MATRIX OF CHARGE-IMBALANCED AMPHOTERIC NANOGELS AND STUDY OF DYE RELEASE KINETICS AS A FUNCTION OF TEMPERATURE AND IONIC STRENGTH
periodical press (Magazines)
0/0 Free
KAZHMURATOVA A. T.
INFLUENCE OF THE RAFT AGENT ON THE REACTION DIRECTION OF THE COPOLYMERIZATION OF POLYPROPYLENE GLYCOL MALEATE WITH ACRYLIC ACID
periodical press (Magazines)
0/0 Free
МUSSABAYEVA B. KH.
INTERPOLYELECTROLYTE COMPLEX CHITOSAN – ALGINATE FOR SOIL STRUCTURING
periodical press (Magazines)
0/0 Free
SKAKOV M. K.
INFLUENCE OF SILICON OXIDE AND DIABASE POWDERS ON THE DEGREE OF CRYSTALLIZATION AND CHEMICAL STRUCTURE OF A POLYMER (UHMWPE) COATING PRODUCED BY THE METHOD OF GAS THERMAL SPRAYING
periodical press (Magazines)
0/0 Free
ZHUMATOV K. KH.
INFLUENZA D VIRUSES -PATHOGENS FORMING A NEW GENUS IN THE ORTHOMYXOVIRIDAE FAMILY
periodical press (Magazines)
0/0 Free
JALMAKHANBETOVA R. I.
ISOLATION AND IN SILICO SARS-COV-2 MAIN PROTEASE INHIBITION POTENTIAL OF CHRYSOERIOL FROM CHONDRILLA BREVIROSTRIS FISCH. & C.A. MEY
periodical press (Magazines)
0/0 Free