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Жанр:Естественные науки (natural_sciences)
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161-170 из 181
периодические издания(Журналы)
ZHURINOV M. ZH.
Zhurinov, M. Zh. Electrochemical oxidation of phenol on lumpy electrodes at a surge current polarization [Text] / M. Zh. Zhurinov, A. B. Bayeshov , N. S. Ivanov [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2017. - № 6 (426). - P. 207-216. - Bibliogr.: p. 205-206 ISSN 2224-5278.
УДК:
544.6
Предметная рубрика
- Electrochemistry
Аннотация
Phenol which one of the most abundant pollutants in industrial wastewater was investigated for purification
Ключевые слова
phenol, lumpy electrodes, stationary mode, anode, electrochemical method, фенол, электрохимическое окисление, electrochemical oxidation, электрохимиялық тотығу
Казахстаника
0/0 Свободно
периодические издания(Журналы)
KUTLAY H.
Kutlay, H. Existence of extremal solutions for a class of fractional integro-differential equations [Text] / H. Kutlay, A. Yakar // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 3 (115). - P. 112-125. - Bibliogr.: p. 124-125 ISSN 2518-7929.
УДК:
517.9
Предметная рубрика
- Differential equations
Аннотация
In the study, the existence of solutions of a class of fractional integro-differential equations with boundary conditions was considered
Ключевые слова
Caputo derivative, extremal solutions, integro-differential equation, Riemann-Liouville integral, monotone iterative technique, upper and lower solutions
Казахстаника
0/0 Свободно
периодические издания(Журналы)
BUKTUKOV N. S.
Buktukov, N. S. Efficiency of new generation solar photoelectric batteries [Text] / N. S. Buktukov, M. Aitkulov // Қазақстан Республикасы Ұлттық ғылым академиясының баяндамалары. - 2018. - № 6. - P. 12-17. - Bibliogr.: p. 17 ISSN 2224-5227.
УДК:
537.3
Предметная рубрика
- Electricity
Аннотация
In this article, a high-efficiency solar photovoltaic battery is presented, based on the dispersion and focusing of solar radiation by wavelength with the installation of a dedicated solar cell for each spectral range
Ключевые слова
photoelectric battery, holographic concentrator, photocell, dispersion, focusing, фотоэлектрлік батарея, фотоэлектрическая батарея
Казахстаника
0/0 Свободно
периодические издания(Журналы)
SEISENBAYEVA G. S.
Seisenbayeva, G. S. Enhanced charge separation at the interface of Cu2O/CuSCN composite thin films synthesized by electrodeposition technique [Text] / G. S. Seisenbayeva, D. S. Kambar , A. V. Zavgorodniy [et al.] // Қарағанды университетінің хабаршысы. Физика сериясы. - 2024. - № 3 (115). - P. 34-40. - Bibliogr.: p. 39 ISSN 2518-7198.
УДК:
535
Предметная рубрика
- Optics
Аннотация
This study focuses on the synthesis and characterization of hole transport layers (HTLs) for solar cells, particularly copper(I) thiocyanate (CuSCN) and cuprous oxide (Cu2O), synthesized via electrodeposition techniques
Ключевые слова
solar cells, hole transport layers, electrodeposition, copper(I) thiocyanate, cuprous oxide, optimal synthesis conditions, photoelectric response, chare transport, электр тұндыру, электроосаждение
Казахстаника
0/0 Свободно
периодические издания(Журналы)
ADEKENOV S. M.
Adekenov, S. M. Endemic plants of asteraceae family of Kazakhstan flora and prospects of their study [Text] = Эндемичные растения семейства астровых флоры Казахстана и перспективы их изучения / S. M. Adekenov, D. T. Alibekov , E. M. Gabdullin [et al.]; Текст на англ., рус. яз. // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Биология және медицина сериясы. - 2017. - № 2 (320). - P. 78-87. - Bibliogr.: p. 82 ISSN 2224-5308.
УДК:
581:615.322
Предметная рубрика
- General botany. Substances of plant origin
Аннотация
The article contains data on plants collection for the period from 2002 to 2016 with the purpose of their phytochemical research
Ключевые слова
endemic species, plant raw material, biologically active compounds, эндемичные виды, растительное сырье, биологически активныесоединения
Казахстаника
0/0 Свободно
периодические издания(Журналы)
STATSYUK V. N.
Statsyuk, V. N. Electrode reactions of phosphonic compounds of atmp and hedp on a platinum and glass-carbon electrodes [Text] / V. N. Statsyuk Ait Sauyk , M. Zh. Zhurinov [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2017. - № 5 (425). - P. 220-226. - Bibliogr.: p. 224-225 ISSN 2224-5278.
УДК:
544.653.22
Предметная рубрика
- Electrochemical dissolution. Anodic dissolution
Аннотация
The electrochemical activity of ATMF (aminotrismethylenephosphonic acid) and HEDP(1-hydroxyethane 1,1-diphosphonic acid) in solutions of sodium sulfate in the pH range from 1 to 6 on platinum and glasscarbon disc electrodes was determined
Ключевые слова
anodic dissolution, cyclic voltammetry, cathodic maximum, potential sweep rate, анодтық еру, анодное растворение, initial potential
Казахстаника
0/0 Свободно
периодические издания(Журналы)
GOLKOVSKI M. G.
Golkovski, M. G. Efficiency of liquid-phase synthesis of ceramic materials under the influence of an electron beam with high penetrating power [Text] / M. G. Golkovski, I. P. Denisov , S. A. Ghyngazov [et al.] // Қарағанды университетінің хабаршысы. Физика сериясы. - 2024. - № 4 (116). - P. 35-45. - Bibliogr.: p. 43 ISSN 2518-7198.
УДК:
535.37
Предметная рубрика
- Luminescence
Аннотация
The paper proposes a method for calculating the energy efficiency of a beam during the synthesis of two-component oxide ceramics
Ключевые слова
high voltage electron beam, electron beam melting, oxide ceramics synthesis, ceramics synthesis, оксидті керамика синтезі, синтез оксидной керамики
Казахстаника
0/0 Свободно
авторефераты(abstract)
BECYV, ALBERT
Ecosystems of tengiz depression`s south : Abstract of thesis for the academic degree of Doctor of Philosophy (PhD) in the specialty / Becyv, Albert ... – Astana : [N. p.], 2010. - 25 p. . – Bibiliogr.: 23 p. . – 100 c. – не указан : [N. p.]
УДК:
502.7+631.4
Полочный шифр:
А 2010/4457
Предметная рубрика
- Earth subsoil
- Soil science
Аннотация
Purpose is to identify the floristic diversity and phytocenotics variety of Tengiz depression ecosystems
Ключевые слова
ecosystem, plant associations, flora of ecosystems of Tengiz, distribution of vegetation ecosystems
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авторефераты(abstract)
NURMUKHANBETOVA, ALIYA K.
Experimental investigation of ecological situation of the KOSHKAR-ATA tailing dump and its adjacent territories : abstract of the dissertation submitted for the academic degree of PhD / Nurmukhanbetova, Aliya K. ... – Astana : [N. p.], 2010. - 24 p. . – Bibliogr.: 20-22 p. . – 100 c. – не указан : [N. p.]
УДК:
621.039.76(574.14):504.064.36
Полочный шифр:
А 2010/4206
Предметная рубрика
- Monitoring of radiation of radioactive waste from Mangistau region
Аннотация
Aims and the objects of research determination concentration of natural radionuclides and toxic elements in soil, water and aerosols
Ключевые слова
determine radionuclide, physics
1/1 Свободно
авторефераты(abstract)
XOJANOV BAXADIR KEUNIMJAEVICH
Darsdan tashqari mashg'ulotlar jarayonida yuqori sinf o'quvchilarini ekologik targ'ibotchilik faoliyatiga tayyorlashning pedagogik mexanizmini takomillashtirish = Совершенствование педагогического механизма подготовки учащихся старших классов к эколого-пропагандистской деятельности в процессе внеурочных занятий = Enhancing the pedagogical mechanism for preparing high school students for environmental promotion activities during extracurricular classes [Text] : Pedagogika fanlari boʻyicha falsafa doktori (PhD) dissertatsiyasi avtoreferati : 13.00.01 – Pedagogika nazariyasi. Pedagogik ta‟limotlar tarixi / B. K. Xojanov ; Nukus davlat pedagogika instituti huzuridagi ilmiy darajalar beruvchi dsc.03/30.12.2019.ped.34.01 raqamli ilmiy kengash, Nukus davlat pedagogika instituti ; Ilmiy rahbar: M. E. Pazilova ; Rasmiy opponentlar: B. B. Adizov, G. N. Utemuratova... – Nukus : [б. ж.], 2024. - 54 s. - Matn rus, o'zbek, ingliz tillarida . – E'lon qilingan ishlar ro'yxati: 53-54 s. . – 100 nusxa : 0 тг.
УДК:
502/504(075)(043.3)
Полочный шифр:
А 2024/14
Предметная рубрика
- Природа. Охрана природных ресурсов. Угрозы окружающей среде и защита от них
Аннотация
Tadqiqotning maqsadi darsdan tashqari mashgʻulotlar jarayonida oʻquvchilarni ekologik targʻibotchilik faoliyatiga tayyorlashning pedagogik mexanizmini takomillashtirish boʻyicha taklif va tavsiyalar ishlab chiqishdan iborat
Ключевые слова
природа, охрана окружающей среды, nature, environmental protection, atrof-muhitni muhofaza, tabiat
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ZHURINOV M. ZH.
ELECTROCHEMICAL OXIDATION OF PHENOL ON LUMPY ELECTRODES AT A SURGE CURRENT POLARIZATION
периодические издания(Журналы)
0/0 Свободно
KUTLAY H.
EXISTENCE OF EXTREMAL SOLUTIONS FOR A CLASS OF FRACTIONAL INTEGRO-DIFFERENTIAL EQUATIONS
периодические издания(Журналы)
0/0 Свободно
BUKTUKOV N. S.
EFFICIENCY OF NEW GENERATION SOLAR PHOTOELECTRIC BATTERIES
периодические издания(Журналы)
0/0 Свободно
SEISENBAYEVA G. S.
ENHANCED CHARGE SEPARATION AT THE INTERFACE OF CU2O/CUSCN COMPOSITE THIN FILMS SYNTHESIZED BY ELECTRODEPOSITION TECHNIQUE
периодические издания(Журналы)
0/0 Свободно
ADEKENOV S. M.
ENDEMIC PLANTS OF ASTERACEAE FAMILY OF KAZAKHSTAN FLORA AND PROSPECTS OF THEIR STUDY
периодические издания(Журналы)
0/0 Свободно
STATSYUK V. N.
ELECTRODE REACTIONS OF PHOSPHONIC COMPOUNDS OF ATMP AND HEDP ON A PLATINUM AND GLASS-CARBON ELECTRODES
периодические издания(Журналы)
0/0 Свободно
GOLKOVSKI M. G.
EFFICIENCY OF LIQUID-PHASE SYNTHESIS OF CERAMIC MATERIALS UNDER THE INFLUENCE OF AN ELECTRON BEAM WITH HIGH PENETRATING POWER
периодические издания(Журналы)
0/0 Свободно
BECYV, ALBERT
ECOSYSTEMS OF TENGIZ DEPRESSION`S SOUTH (2010)
авторефераты(abstract)
1/1 Свободно
NURMUKHANBETOVA, ALIYA K.
EXPERIMENTAL INVESTIGATION OF ECOLOGICAL SITUATION OF THE KOSHKAR-ATA TAILING DUMP AND ITS ADJACENT TERRITORIES (2010)
авторефераты(abstract)
1/1 Свободно
XOJANOV BAXADIR KEUNIMJAEVICH
DARSDAN TASHQARI MASHG'ULOTLAR JARAYONIDA YUQORI SINF O'QUVCHILARINI EKOLOGIK TARG'IBOTCHILIK FAOLIYATIGA TAYYORLASHNING PEDAGOGIK MEXANIZMINI TAKOMILLASHTIRISH (2024)
авторефераты(abstract)
1/1 Свободно