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Жанр:Естественные науки (natural_sciences)
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281-290 из 317
периодические издания(Журналы)
TURSYNBAY A.
Tursynbay, A. To a phytochemical study of Kazakhstani species Fritillaria karelinii (Fisch. ex D. Don) Baker [Text] / A. Tursynbay, Zh. Zh. Karzhaubekova , N. G. Gemejiyeva // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2023. - № 2 (110). - P. 145-150. - Bibliogr.: p. 148-149 ISSN 2518-7201.
УДК:
581.192
Предметная рубрика
- Chemical composition of plants
Аннотация
Present article provides the results of a primary phytochemical analysis of Fritillaria karelinii (Fisch. exD. Don) Baker (syn. Rhinopetalum karelinii Fisch. ex D. Don) from family Liliaceae Juss., collected from different fields of populations in the Almaty region
Ключевые слова
Fritillaria karelinii bulbs, phytochemical analysis, amino acids, fat acids, quantitative content
Казахстаника
0/0 Свободно
периодические издания(Журналы)
ERMEK N. E.
Ermek, N. E. Transformation of the Amudarya river basin in the context of climate change [Text] / N. E. Ermek, A. S. Zhakupova // География және су ресурстары. - 2023. - № 4. - 14-20 р.
. - Bibliogr.: 19-20 р.
ISSN 2957-9856.
УДК:
556.047
Предметная рубрика
- Hydrological analysis
Аннотация
The article examines the impact of climate change on the water resources of the Amudarya river basin
Ключевые слова
Amudarya river, climate change, river flow, ecology in the Amudarya basin, glaciers, environmental issues, water resources, water use
Казахстаника
0/0 Свободно
периодические издания(Журналы)
The Ecolomist [Текст] : экологический журнал / Дауржан Аугамбай. – Астана : The Ecolomist, 2021. - – Выходит четыре раза в год.
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периодические издания(Журналы)
ТЫНЫБЕКОВ Б. М.
Тыныбеков, Б. М. Taraxacum officinale wigg. - онтогенезіндегі вегетативтік мүшелерінің морфологиялық құрылыс ерекшеліктері [Мәтін] / Б. М. Тыныбеков, Н. М. Мухитдинов , Ә. Б. Бегенов [ж. б.] // ҚазҰУ хабаршысы. Биология сериясы. - 2006. - № 2 (28). - 13-16 б. - Библиогр.: 16 б. ISSN 1563-0218.
УДК:
635.491
Предметная рубрика
- Бақбақ өсімдігі. Taraxacum officinale Wigg.
Аннотация
Мақалада дәрілік өсімдік Taraxacum officinale wigg. онто-морфогенезін қамтитын оның тұқымының құрылысы, зертханадағы, екпе жағдайдағы өну қабілеті мен көктеу кезеңіне фенологиялық бақылау, вегетативтік мүшелерінің морфологиялық ерекшеліктері зерттелген
Ключевые слова
дәрілік өсімдіктер, күрделігүлділер тұқымдасы, вегетативтік мүшелер, морфологиялық құрылысы, Taraxacum officinale wigg. өсімдігі, бақбақ өсімдігі
Казахстаника
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периодические издания(Журналы)
VDOVINA T. A.
Vdovina, T. A. To the methodology for the study of intraspecific variability and selection of wild forms of Viburnum opulus L. [Text] / T. A. Vdovina, O. A. Lagus // Қарағанды университетінің хабаршысы. Биология. Медицина. География сериясы. - 2023. - № 4 (112). - P. 126-133. - Bibliogr.: p. 131 ISSN 2518-7201.
УДК:
581:634.745
Предметная рубрика
- Botany. Viburnum opulus L.
Аннотация
The methodological recommendation for the study of intraspecific variability and the selection of wildgrowing promising for breeding forms of common Viburnumis written on the basis of a large amount of factual material obtained from the study of this species in the East Kazakhstan region
Ключевые слова
distribution, quantitative characteristics, degree of flowering , fruits, variability
Казахстаника
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периодические издания(Журналы)
SHLYAPOV R. M.
Shlyapov, R. M. Thermodynamics of chalcocite dissolving in solutions of flotation reagents [Text] / R. M. Shlyapov, Sh. K. Amerkhanova , А. S. Uali [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 1. - Р. 122-130. - Bibliogr.: p. 128-129 ISSN 2518-718Х.
УДК:
543.42
Предметная рубрика
- Spectral analysis
Аннотация
This work describes the formation of the ionic composition of the sorption layer during the concentration ofcopper-lead and pyrite-copper-zinc ore
Ключевые слова
flotation, hydrophobicity, sorption layer of collector, flotation reagents, sulfide minerals
Казахстаника
0/0 Свободно
периодические издания(Журналы)
MEDVEDEVA N. A.
Medvedeva, N. A. The Effect of Aging on the Microstructure of Alloys (ТiСr1.8)100–xVx after Electrolytic Hydrogen Charging [Text] / N. A. Medvedeva, A. A. Mironova , N. E. Skryabina [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 2. - Р. 95-102. - Bibliogr.: p. 99 ISSN 2518-718Х.
УДК:
544.2
Предметная рубрика
- Physical chemistry of solids, liquids and gases
Аннотация
The microstructure transformation of ternary Ti-Cr-V alloys after introduction of hydrogen has been analyzed for a long time. Assessment of the impact of vanadium concentration and ratio of Ti and V concentrations on composition stability has been carried out
Ключевые слова
alloys, electrochemical hydrogen saturation, hydrogen, self-diffusion, microstructure of alloys
Казахстаника
0/0 Свободно
периодические издания(Журналы)
RYABYKH A. V.
Ryabykh, A. V. The Role of Zinc Ion in the Active Site of Copper-Zinc Superoxide Dismutase [Text] / A. V. Ryabykh, O. A. Maslova , S. A. Beznosyuk [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 2. - Р. 77-87. - Bibliogr.: p. 85 ISSN 2518-718Х.
УДК:
544.18
Предметная рубрика
- Quantum chemistry
Аннотация
The interaction of the superoxide radical ion O2– with the active center of Cu, Zn superoxide dismutase was studied obtained by computer simulation
Ключевые слова
Zn-superoxide dismutase, superoxide radical ion, reactive oxygen species, antioxidants
Казахстаника
0/0 Свободно
периодические издания(Журналы)
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.
УДК:
541.64
Предметная рубрика
- Chemistry of macromolecules. Products of polymerization, polycondensation and polyaddition reactions
Аннотация
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
Ключевые слова
liquid crystalline polymers, phase transitions, polarizing microscopy, thermal stability, high-temperature polycondensation
Казахстаника
0/0 Свободно
периодические издания(Журналы)
WU C. Y.
Wu, C. Y. Three-Dimensional Fingerprint Spectroscopy Study on the Biopolymer System of Polyphenol Oxidase Binding with Cumalic Acid [Text] / C. Y. Wu, W. О. Ling , Y. C. Yao [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 168-179. - Bibliogr.: p. 176-177 ISSN 2518-718Х.
УДК:
544.4
Предметная рубрика
- Chemical kinetics. Catalysis
Аннотация
This study examines the interaction of coumaric acid with polyphenol oxidase, an enzyme that plays a key role in the aging and darkening of plant cells
Ключевые слова
biopolymer, Cu-containing enzyme, coumaric acid, polyphenol oxidase, antioxidant, antioxidant, spectroscopy, tyrosinase, molecular modeling
Казахстаника
0/0 Свободно
TURSYNBAY A.
TO A PHYTOCHEMICAL STUDY OF KAZAKHSTANI SPECIES FRITILLARIA KARELINII (FISCH. EX D. DON) BAKER
периодические издания(Журналы)
0/0 Свободно
ERMEK N. E.
TRANSFORMATION OF THE AMUDARYA RIVER BASIN IN THE CONTEXT OF CLIMATE CHANGE
периодические издания(Журналы)
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THE ECOLOMIST (2021)
периодические издания(Журналы)
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ТЫНЫБЕКОВ Б. М.
TARAXACUM OFFICINALE WIGG. - ОНТОГЕНЕЗІНДЕГІ ВЕГЕТАТИВТІК МҮШЕЛЕРІНІҢ МОРФОЛОГИЯЛЫҚ ҚҰРЫЛЫС ЕРЕКШЕЛІКТЕРІ
периодические издания(Журналы)
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VDOVINA T. A.
TO THE METHODOLOGY FOR THE STUDY OF INTRASPECIFIC VARIABILITY AND SELECTION OF WILD FORMS OF VIBURNUM OPULUS L.
периодические издания(Журналы)
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SHLYAPOV R. M.
THERMODYNAMICS OF CHALCOCITE DISSOLVING IN SOLUTIONS OF FLOTATION REAGENTS
периодические издания(Журналы)
0/0 Свободно
MEDVEDEVA N. A.
THE EFFECT OF AGING ON THE MICROSTRUCTURE OF ALLOYS (ТIСR1.8)100–XVX AFTER ELECTROLYTIC HYDROGEN CHARGING
периодические издания(Журналы)
0/0 Свободно
RYABYKH A. V.
THE ROLE OF ZINC ION IN THE ACTIVE SITE OF COPPER-ZINC SUPEROXIDE DISMUTASE
периодические издания(Журналы)
0/0 Свободно
DEBERDEEV T. R.
THERMAL BEHAVIOR OF NOVEL AROMATIC OLIGOESTERS AND OLIGOESTERAMIDES
периодические издания(Журналы)
0/0 Свободно
WU C. Y.
THREE-DIMENSIONAL FINGERPRINT SPECTROSCOPY STUDY ON THE BIOPOLYMER SYSTEM OF POLYPHENOL OXIDASE BINDING WITH CUMALIC ACID
периодические издания(Журналы)
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