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Genre:Естественные науки (natural_sciences)
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311-320 of 361
periodical press (Magazines)
ASSIRBAYEVA ZH. M.
Assirbayeva, Zh. M. The rapid detection of pesticide residues in fruits and vegetables using electrochemical methods [Text] / Zh. M. Assirbayeva, Y. Bakytkarim , Zh. S. Mukataeva [et al.] // Л.Н. Гумилев атындағы Еуразия ұлттық университетінің хабаршысы. Химия. География. Экология сериясы. - 2024. - № 2 (148). - P. 11-23. - Bibliogr.: p. 20-21 ISSN 2616-6771.
UDC:
544.6
Subject headings
- Electrochemistry
Annotation
In this paper describes the latest results used for in situ detection of pesticide residues in fruits and vegetables obtained in the fields of cyclic voltammetry, square wave voltammetry, differential pulse voltammetry and electrochemical impedance spectroscopy
Keywords
pesticides, electrochemical methods, nanoparticles, electrochemical devices, sensors, пестицидтер, электрохимиялық әдістер, пестициды, электрохимические методы
Kazakhstan
0/0 Free
periodical press (Magazines)
KVEGLIS L. I.
Kveglis, L. I. Thermal expansion of a metal sample [Text] / L. I. Kveglis, M. V. Gorev , R. E. Sakenova // Шығыстың аймақтық хабаршысы. - 2013. - № 3. - 3-6 р.. ISSN 1683-1667.
UDC:
536.21
Subject headings
- Thermal conductivity of solids
Annotation
The thermal expansion of solids is studied in the article
Keywords
a metal sample, expansion of solids, thermal expansion, thermal regime, measurement of thermal expansion, thermal conductivity of solids
Kazakhstan
0/0 Free
periodical press (Magazines)
AMENOVA F. S.
Amenova, F. S. The method to solve equations incompressible fluid equations (ψ, Ω) with variables [Text] / F. S. Amenova // Шығыстың аймақтық хабаршысы. - 2015. - № 1. - 10-20 р.. - Bibliogr.: 19 р.
ISSN 1683-1667.
UDC:
519.6
Subject headings
- Computational mathematics. Numerical analysis
Annotation
The article considers the solution of a two-dimensional operator-difference problem for an incompressible fluid in variables current function, velocity vortex
Keywords
methods for solving equations, incompressible fluid equations, current function, а whirlwind of speed, computational mathematics, difference problem, iterative algorithms, estimation of convergence rate
Kazakhstan
0/0 Free
periodical press (Magazines)
JES A. V.
Jes, A. V. The cluster modeling of the martensitic transformations in nickelide titanium [Text] / A. V. Jes, L. I. Kveglis // Шығыстың аймақтық хабаршысы. - 2017. - № 3. - 23-33 р.. - Bibliogr.: 32-33 р.
ISSN 1683-1667.
UDC:
538.911
Subject headings
- Crystalline, quasi-lattice, and other structures
Annotation
The paper considers the processes of structure formation in massive Ni51Ti49 alloy samples subjected to a tensile load
Keywords
Ni51Ti49 alloy, сrystal structures, quasi-lattice structures, nickel-titanium , plastic deformation, martensitic transformation
Kazakhstan
0/0 Free
periodical press (Magazines)
BAIGUZHINA ZH. S.
Baiguzhina, Zh. S. The importance of bacteria of the genus Bifidobacterium in intestinal microbiocenosis [Text] / Zh. S. Baiguzhina, A. E. Hasenova , Sh. K. Yeleupayeva [et al.] // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2024. - Vol. 29, № 3 (115). - P. 34-44. - Bibliogr.: p. 40-42 ISSN 2518-7201.
UDC:
579.6
Subject headings
- Applied microbiology
Annotation
This review discusses current Bifidobacterium, including the biological characteristics of Bifidobacterium bifidum species, which exhibit specific adaptations to the human intestine
Keywords
bifidobacteria, Bifidobacterium bifidum, probiotics, human gut microbiota, microbiome, bifidobacterial metabolism, phylogeny, taxonomy, бифидобактериялар, ішек микробиотасы, бифидобактерии, микробиота кишечника
Kazakhstan
0/0 Free
periodical press (Magazines)
MAMYROVA S. A.
Mamyrova, S. A. The material relating to the anatomy of Rhaponticum serratuloides leaf blades according to age conditions [Text] / S. A. Mamyrova, B. G. Andreev , A. N. Kupriyanov [et al.] // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2024. - № 3. - P. 58-64. - Bibliogr.: p. 62-63 ISSN 2518-7201.
UDC:
581.8
Subject headings
- Plant anatomy
Annotation
In the article the features of the morphological and anatomical structure of leaf blades in the process of ontogenesis of Rhaponticum serratuloides Georgi (Bobr.) during juvenile, immature, virginal, generative and senile age states were presented
Keywords
age states, anatomical features, types of leaf blades, Rh. serratuloides, Rh. carthamoides, өсімдік анатомиясы, анатомия растений
Kazakhstan
0/0 Free
periodical press (Magazines)
ABDIKARIMOVA P. U.
Abdikarimova, P. U. The morphological features of above-ground parts of Juniperus sabina in Central Kazakhstan [Text] / P. U. Abdikarimova, A. K. Kali , M. Y. Ishmuratova [et al.] // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2024. - № 3 (115). - P. 95-100. - Bibliogr.: p. 98 ISSN 2518-7201.
UDC:
581.9
Subject headings
- Geographic botany
Annotation
In the article the results of the study of morphological parameters of vegetative organs of Juniperus sabina growing in the vicinity of Karaganda city, Karkaraly and Ulytau Mountains, hills of Zhanaarka district were presented
Keywords
annual growth size, plant morphology, Juniperus sabina, plant height and diameter, leaf length and width
Kazakhstan
0/0 Free
periodical press (Magazines)
GOLUSHKO A. V.
Golushko, A. V. The study of the city of Rundy as a "Heat island" [Text] / A. V. Golushko // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2024. - № 3 (115). - P. 157-165. - Bibliogr.: p. 162-163 ISSN 2518-7201.
UDC:
913
Subject headings
- Regional geography
Annotation
The purpose of the study is to identify patterns of changes in meteorological indicators in the city of Rundy, Kostanai region over the summer period 2018-2022
Keywords
heat wave, heat index, metrological indicator, coefficient of variation, coefficient of dispersion, trend line, atmospheric humidity, жылу аралы, остров тепла
Kazakhstan
0/0 Free
periodical press (Magazines)
ZHANYBEKOVA ZH. T.
Zhanybekova, Zh. T. The effect of growth regulators on the multiplication of Crataegus sanguinea in vitro [Text] / Zh. T. Zhanybekova, A. S. Nurtaza , G. K. Magzumova [et al.] // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2024. - № 4 (116). - P. 135-143. - Bibliogr.: p. 141-142 ISSN 2518-7201.
UDC:
58:57.084.1
Subject headings
- Studying plants in the laboratory
Annotation
This study presents an efficient protocol for in vitro multiplication of Crataegus sanguinea, achieving the highest shoot proliferation rate
Keywords
QL medium, PGRs, shoot proliferation, crataegus sanguinea, өсімдік гормондары, микроөркендерді көбейту, axillary buds, мультипликация
Kazakhstan
0/0 Free
periodical press (Magazines)
DEBERDEEV T. R.
Deberdeev, T. R. Thermal Behavior of Novel Aromatic Oligoesters and Oligoesteramides [Text] / T. R. Deberdeev, A. I. Akhmetshina , L. K. Karimova [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 180-188. - Bibliogr.: p. 188 ISSN 2518-718Х.
UDC:
541.64
Subject headings
- Chemistry of macromolecules. Products of polymerization, polycondensation and polyaddition reactions
Annotation
Series of aromatic oligoesters and oligoesteramides were synthesized via high-temperature polycondensation of aromatic dicarboxylic acids with 4-hydroxybenzoic acid (or 4-aminobenzoic acid) and 1,5-naphthalene diol
Keywords
liquid crystalline polymers, phase transitions, polarizing microscopy, thermal stability, high-temperature polycondensation
Kazakhstan
0/0 Free
ASSIRBAYEVA ZH. M.
THE RAPID DETECTION OF PESTICIDE RESIDUES IN FRUITS AND VEGETABLES USING ELECTROCHEMICAL METHODS
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
AMENOVA F. S.
THE METHOD TO SOLVE EQUATIONS INCOMPRESSIBLE FLUID EQUATIONS (Ψ, Ω) WITH VARIABLES
periodical press (Magazines)
0/0 Free
JES A. V.
THE CLUSTER MODELING OF THE MARTENSITIC TRANSFORMATIONS IN NICKELIDE TITANIUM
periodical press (Magazines)
0/0 Free
BAIGUZHINA ZH. S.
THE IMPORTANCE OF BACTERIA OF THE GENUS BIFIDOBACTERIUM IN INTESTINAL MICROBIOCENOSIS
periodical press (Magazines)
0/0 Free
MAMYROVA S. A.
THE MATERIAL RELATING TO THE ANATOMY OF RHAPONTICUM SERRATULOIDES LEAF BLADES ACCORDING TO AGE CONDITIONS
periodical press (Magazines)
0/0 Free
ABDIKARIMOVA P. U.
THE MORPHOLOGICAL FEATURES OF ABOVE-GROUND PARTS OF JUNIPERUS SABINA IN CENTRAL KAZAKHSTAN
periodical press (Magazines)
0/0 Free
periodical press (Magazines)
0/0 Free
ZHANYBEKOVA ZH. T.
THE EFFECT OF GROWTH REGULATORS ON THE MULTIPLICATION OF CRATAEGUS SANGUINEA IN VITRO
periodical press (Magazines)
0/0 Free
DEBERDEEV T. R.
THERMAL BEHAVIOR OF NOVEL AROMATIC OLIGOESTERS AND OLIGOESTERAMIDES
periodical press (Magazines)
0/0 Free