Electronic catalog
Genre:Естественные науки (natural_sciences)
catalogue:Articles
Search result:
3851-3860 of 4428
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
periodical press (Magazines)
GAVRILOVA N. N.
Gavrilova, N. N. Selection of a nutrient medium for growing bacteria which are part of an environmentally friendly veterinary probiotic preparation [Text] / N. N. Gavrilova, Zh. E. Sagidoldina , A. K. Sadanov [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Биология және медицина сериясы. - 2020. - № 3 (339). - P. 29-34. - Bibliogr.: p. 34 ISSN 2224-5308.
UDC:
579
Subject headings
- Микробиология
Annotation
The aim of the study was to select the optimal nutrient medium for growing bacteria that are part of the probiotic
Keywords
probiotic bacteria, growth media , antimicrobial activity, viable cells'titer, пробиотикалық бактериялар, ветеринарлық препарат, пробиотические бактерии, ветеринарный препарат
Kazakhstan
0/0 Free
periodical press (Magazines)
SEKSENOVA D. U.
Seksenova, D. U. Ways of infection of vertebrate animals with sarcosporidia and morphology of their causative agents [Text] / D. U. Seksenova, G. B. Atalikhova // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Биология және медицина сериясы. - 2020. - № 3 (339). - P. 57-62. - Bibliogr.: p. 62 ISSN 2224-5308.
UDC:
593.193:591.2
Subject headings
- Sarcosporidia. Animal diseases
Annotation
The article talks about the types, morphology and ways of infection of vertebrates and the number of cysts, representatives of the genus Sarcocystis in vertebrates
Keywords
micromorphology, merozoite, definitive host, schizogony, gametogony, sporogony, саркоциста, саркоспоридиоз, sarcosyst, sarcosporidiosis, fauna
Kazakhstan
0/0 Free
periodical press (Magazines)
AKHMETOVA М. ZH.
Akhmetova, М. Zh. Effect of different serotonin concentrations on the inotropic function and morphometric parameters of the heart of infant rats [Text] / М. Zh. Akhmetova, R. R. Nigmatullina , D. E. Tsyplakov [et al.] // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2022. - № 3. - Р. 16-23. - Bibliogr.: p. 20-21 ISSN 2518-7201.
UDC:
59
Subject headings
- Zoology
Annotation
This research aimsto study the influence of serotonin on the temporal parameters of contraction of the myocardium of the right ventricle in the newborn pups with a blockade of serotonin synthesis and membrane transporter in the embryonic period of ontogenesis
Keywords
serotonin, myocardium, ontogenesis, heart, fluoxetine, para-chlorophenylalanine
Kazakhstan
0/0 Free
periodical press (Magazines)
SAGYNDIKOV M. S.
Sagyndikov, M. S. Assessing polyacrylamide solution chemical stability during a polymer flood in the Kalamkas field, Western Kazakhstan [Text] / M. S. Sagyndikov, I. I. Salimgarayev , E. K. Ogay [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 1. - Р. 99-112. - Bibliogr.: p. 110-111 ISSN 2518-718Х.
UDC:
66-922
Subject headings
- Processes involving several types of molecules
Annotation
This study is based on rheology measurements of polymer solutions and produced fluid from the offset production well associated with the Kalamkas oilfield in Western Kazakhstan
Keywords
polyacrylamide, polymer solution, chemical degradation, polymer flood, iron
Kazakhstan
0/0 Free
periodical press (Magazines)
BITYUKOVA V. R.
Bityukova, V. R. Ecological and economic assessment of the ecological situation transformation in the Republic of Kazakhstan regions in 1990–2020 [Text] / V. R. Bityukova // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2022. - № 2. - Р. 154-167. - Bibliogr.: p. 164-165 ISSN 2518-7201
.
UDC:
502.3/.7
Subject headings
- Various parts of the environment
Annotation
The article is devoted to problems of stating the complex index of anthropogenic impact (IAI) formation es-timating the ecological stress level in regions of Kazakhstan
Keywords
ecological and economic analysis, pollution indicators, integral index ecological stress, ecological situation, anthropogenic impact
Kazakhstan
0/0 Free
periodical press (Magazines)
ALIYEV F. R.
Aliyev, F. R. Synthesis and study of a new mixed-layered compound GeBi3 Te4 belonging to the nBi2–mGeBi2 Te4 homologous series [Text] / F. R. Aliyev, E. N. Orujlu , D. M. Babanly // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 1. - Р. 92-98. - Bibliogr.: p. 96-97 ISSN 2518-718Х.
UDC:
546.2
Subject headings
- Nonmetals of groups III, IV, VI and elements of group zero
Annotation
In light of the structural properties of tetradymite-like layered chalcogenide compounds, the mixed-layered compound GeBi3Te4 was predicted and synthesized for the first time, which belongs to the nBi2–mGeBi2Te4 homologous series in the Ge-Te-Bi system
Keywords
Ge-Bi-Te ternary system, nBi2–mGeBi2Te4 homologous series, GeBi3 Te4 , GeBi4 Te4, tetradymitelike structure, topological insulators
Kazakhstan
0/0 Free
periodical press (Magazines)
MULDAKHMETOV Z. M.
Muldakhmetov, Z. M. Obtaining Carbon Sorbent from “Euromet” LLP Coke Breeze [Text] / Z. M. Muldakhmetov, A. T. Ordabaeva , M. G. Meiramov [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 2. - Р. 115-124. - Bibliogr.: p. 122-123 ISSN 2518-718Х.
UDC:
661.183
Subject headings
- Adsorbents
Annotation
The paper presents the results of a physicochemical analysis of a coke sample from “Euromet” LLP (Karaganda, Kazakhstan), which is carbonaceous material with high carbon content, the absence of volatiles matter and low ash content
Keywords
coke breeze, coals, sorbent, sorption capacity, ash content, bulk density
Kazakhstan
0/0 Free
periodical press (Magazines)
NURDILLAYEVA R. N.
Nurdillayeva, R. N. Electrochemical Method of Lead (II) Ions Removal from Wastewater Using Granular Graphite Electrodes [Text] / R. N. Nurdillayeva, A. N. Zhylysbayeva , A. K. Askarov [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 2. - Р. 61-68. - Bibliogr.: p. 66 ISSN 2518-718Х.
UDC:
544.4
Subject headings
- Chemical kinetics. Catalysis
Annotation
The article presents an electrochemical method of wastewater treatment from Pb (II) ions through granular graphite electrodes
Keywords
lead ions, granular graphite electrodes, wastewater, heavy metals, flow mode, current density
Kazakhstan
0/0 Free
periodical press (Magazines)
TURDYBEKOV K. M.
Turdybekov, K. M. Isolation and Structure of the New Sesquiterpene Lactone 3-oxo-10β-hydroxy-5,7α(H),4,6β(H)-guai-1,11(13)-diene-6,12-olide [Text] / K. M. Turdybekov, S. A. Ivasenko , D. M. Turdybekov [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 2. - Р. 52-58. - Bibliogr.: p. 57-58 ISSN 2518-718Х.
UDC:
547
Subject headings
- Оrganic chemistry
Annotation
The article presents the results of a chemical study of Tanacetopsis pjataevae, which is an endemic plant in Kazakhstan
Keywords
NMR spectroscopy, IR spectroscopy, mass spectrometry, X-ray analysis, sesquiterpene lactones, Tanacetopsis pjataevae
Kazakhstan
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
GAVRILOVA N. N.
SELECTION OF A NUTRIENT MEDIUM FOR GROWING BACTERIA WHICH ARE PART OF AN ENVIRONMENTALLY FRIENDLY VETERINARY PROBIOTIC PREPARATION
periodical press (Magazines)
0/0 Free
SEKSENOVA D. U.
WAYS OF INFECTION OF VERTEBRATE ANIMALS WITH SARCOSPORIDIA AND MORPHOLOGY OF THEIR CAUSATIVE AGENTS
periodical press (Magazines)
0/0 Free
AKHMETOVA М. ZH.
EFFECT OF DIFFERENT SEROTONIN CONCENTRATIONS ON THE INOTROPIC FUNCTION AND MORPHOMETRIC PARAMETERS OF THE HEART OF INFANT RATS
periodical press (Magazines)
0/0 Free
SAGYNDIKOV M. S.
ASSESSING POLYACRYLAMIDE SOLUTION CHEMICAL STABILITY DURING A POLYMER FLOOD IN THE KALAMKAS FIELD, WESTERN KAZAKHSTAN
periodical press (Magazines)
0/0 Free
BITYUKOVA V. R.
ECOLOGICAL AND ECONOMIC ASSESSMENT OF THE ECOLOGICAL SITUATION TRANSFORMATION IN THE REPUBLIC OF KAZAKHSTAN REGIONS IN 1990–2020
periodical press (Magazines)
0/0 Free
ALIYEV F. R.
SYNTHESIS AND STUDY OF A NEW MIXED-LAYERED COMPOUND GEBI3 TE4 BELONGING TO THE NBI2–MGEBI2 TE4 HOMOLOGOUS SERIES
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
NURDILLAYEVA R. N.
ELECTROCHEMICAL METHOD OF LEAD (II) IONS REMOVAL FROM WASTEWATER USING GRANULAR GRAPHITE ELECTRODES
periodical press (Magazines)
0/0 Free
TURDYBEKOV K. M.
ISOLATION AND STRUCTURE OF THE NEW SESQUITERPENE LACTONE 3-OXO-10Β-HYDROXY-5,7Α(H),4,6Β(H)-GUAI-1,11(13)-DIENE-6,12-OLIDE
periodical press (Magazines)
0/0 Free