Электронный каталог
Жанр:Естественные науки (natural_sciences)
Результат поиска:
19151-19160 из 22538
периодические издания(Журналы)
GANDHI S. P.
Gandhi, S. P. Validated High Performance Thin Layer Chromatography Method for Simultaneous Estimation for Gallic Acid and Quercetin in Polyherbal Blend and Their Quantitative Estimation [Text] / S. P. Gandhi, A. R. Gawhane , S. D. Kapse [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 4. - Р. 54-64. - Bibliogr.: p. 63 ISSN 2518-718Х.
УДК:
543
Предметная рубрика
- Analytical Chemistry
Аннотация
Simple, sensitive high performance thin layer chromatography method for the estimation of gallic acid and quercetin in in-house polyherbal blend has been developed and validated
Ключевые слова
, gallic acid, quercetin, simultaneous estimation, high performance thin layer chromatography, validation, quantification, extracts
Казахстаника
0/0 Свободно
периодические издания(Журналы)
GANDHI S. P.
Gandhi, S. P. Validated High Performance Thin Layer Chromatography Method for Simultaneous Estimation for Gallic Acid and Quercetin in Polyherbal Blend and Their Quantitative Estimation [Text] / S. P. Gandhi, A. R. Gawhane , S. D. Kapse [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 4. - Р. 54-64. - Bibliogr.: p. 63 ISSN 2518-718Х.
УДК:
543
Предметная рубрика
- Analytical Chemistry
Аннотация
Simple, sensitive high performance thin layer chromatography method for the estimation of gallic acid and quercetin in in-house polyherbal blend has been developed and validated
Ключевые слова
gallic acid, quercetin, simultaneous estimation, high performance thin layer chromatography, validation, extracts, quantification
Казахстаника
0/0 Свободно
периодические издания(Журналы)
AYAZBAYEVA A. YE.
Ayazbayeva, A. Ye. Temperature and salt responsivity of anionic, cationic and amphoteric nanogels based on n-isopropylacrylamide, 2-acrylamido-2-methyl-1-propanesulfonic acid sodium salt and (3-acrylamidopropyl) trimethylammonium chloride [Text] / A. Ye. Ayazbayeva, A. V. Shakhvorostov , S. E. Kudaibergenov // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 4. - Р. 14-24. - Bibliogr.: p. 22-23 ISSN 2518-718Х.
УДК:
541.64
Предметная рубрика
- Chemistry of macromolecules. Products of polymerization, polycondensation and polyaddition reactions
Аннотация
Three different nanogels possessing anionic, cationic and amphoteric character were synthesized via conventional redox initiated free radical copolymerization of N-isopropylacrylamide, 2-acrylamido-2-methyl-1-propanesulfonic acid sodium salt and (3-acrylamidopropyl) trimethylammonium chloride
Ключевые слова
polyampholyte nanogels, ionic monomers, cationic nanogel, poly-N-isopropylacrylamide, volume phase transition temperature, amphoteric nanogel
Казахстаника
0/0 Свободно
периодические издания(Журналы)
TYANAKH S.
Tyanakh, S. Kinetics of Thermolysis of a Low-Temperature Tar in the Presence of a Catalyzer Agent with Deposited Metals [Text] / S. Tyanakh, M. I. Baikenov , A. M. Gulmaliev [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 4. - Р. 89-98. - Bibliogr.: p. 95-96 ISSN 2518-718Х.
УДК:
541
Предметная рубрика
- Theoretical chemistry
Аннотация
The thermal decomposition of low-temperature coal tar (LTCT) obtained from the coals of Shubarkol Komir JSC of the Republic of Qazaqstan in the presence of nanocatalysts with metal oxides (iron, cobalt and nickel) supported on microsilicate was studied for the first time
Ключевые слова
kinetics, accelerant, microsilica, low-temperature coal tar, thermogravimetric analysis, iron, nickel, cobalt
Казахстаника
0/0 Свободно
периодические издания(Журналы)
TURGUNALIEVA D. M.
Turgunalieva, D. M. Synthesis and antibacterial activity of hydrazones of isonicotinic and salicylic acids based on acetyl derivatives of coumarin and benzo [g] [1,3,5] oxadiazocine [Text] / D. M. Turgunalieva, D. S. Dilbaryan , A. S. Vasilchenkо [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 4. - Р. 25-34. - Bibliogr.: p. 33-34 ISSN 2518-718Х.
УДК:
544.32
Предметная рубрика
- Thermodynamic functions of chemical processes
Ключевые слова
hydrazides, isoniazid, coumarins, antimicrobial activity, salicylic acid hydrazide, hydrazones
Казахстаника
0/0 Свободно
периодические издания(Журналы)
PANSHINA S. YU.
Panshina, S. Yu. Synthesis of cucurbit [6] uril using 1-hydroxyethylidene-1,1-diphosphonic acid as a “Green Catalyst” [Text] / S. Yu. Panshina, A. A. Bakibaev , A. N. Guslyakov [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 4. - Р. 5-13. - Bibliogr.: p. 10-11 ISSN 2518-718Х.
УДК:
544.4
Предметная рубрика
- Chemical kinetics. Catalysis
Аннотация
In this work, 1-hydroxyethylidene-1,1-diphosphonic acid (HEDP) was used for the first time as a catalyst for “Green chemistry” in the synthesis of cucurbit[6]uril in an aqueous medium
Ключевые слова
oligomer, cucurbit[6]uril, 1-hydroxyethylidene-1,1-diphosphonic acid, glycoluril, paraformaldehyde
Казахстаника
0/0 Свободно
периодические издания(Журналы)
BHIMANWAR R.
Bhimanwar, R. Prospective hybrid molecules with dual anti-viral and anti-thrombotic activity against the sars-cov-2 infection and its associated complications employing in silico studies [Text] / R. Bhimanwar, A. Thomas , L. Kothapalli [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 4. - Р. 76-87. - Bibliogr.: p. 85-86 ISSN 2518-718Х.
УДК:
530.145
Предметная рубрика
- Quantum theory. Quantum mechanics
Аннотация
This study investigates the in Silico design of hybrid molecules with antiviral and an- tithrombotic properties
Ключевые слова
COVID-19, molecular docking, in Silico, hybrid molecule, respiratory tract infections
Казахстаника
0/0 Свободно
периодические издания(Журналы)
MAKASHEVA A. M.
Makasheva, A. M. Direct correlation between fluid cluster structure and its viscosity [Text] / A. M. Makasheva, V. P. Malyshev , L. A. Bekbayeva // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 4. - Р. 65-75. - Bibliogr.: p. 72-73 ISSN 2518-718Х.
УДК:
544.4
Предметная рубрика
- Chemical kinetics. Catalysis
Ключевые слова
Boltzmann distribution, randomized particles, probability, virtuality, melt, viscosity, cluster, alkali metals
Казахстаника
0/0 Свободно
периодические издания(Журналы)
ZHUMAGELDINA A. B.
Zhumageldina, A. B. Construction of solitons for integrable nonlinear Kawahara equation [Text] / A. B. Zhumageldina, N. S. Serikbayev , D. E. Baltabayeva // Қазақстан Республикасы Ұлттық ғылым академиясының баяндамалары. - 2022. - № 3. - P. 103-118. - Bibliogr.: p. 117-118 ISSN 2224-5227.
УДК:
530.182.1
Предметная рубрика
- Solitons
Аннотация
This paper illustrates the application of the Hirota’s bilinear method for construction of solitons for an integrable nonlinear equation
Ключевые слова
bilinear form, soliton solution, Kawahara equation, partial differential equation, Lie point symmetries, conservation laws, Хирота әдісі, солитондық шешім, Hirota method, Кавахара теңдеуі
Казахстаника
0/0 Свободно
периодические издания(Журналы)
ZHAPBASBAYEV U.
Zhapbasbayev, U. Transition of a Newtonian fluid to a viscoplastic state [Text] / U. Zhapbasbayev, M. Pakhomov , D. Bossinov // Қазақстан Республикасы Ұлттық ғылым академиясының баяндамалары. - 2022. - № 3. - P. 92-102. - Bibliogr.: p. 102 ISSN 2224-5227.
УДК:
532.542:665.71
Предметная рубрика
- The movement of liquids in pipelines. Petrochemical products
Аннотация
In the zone of yield stress, oil does not flow, which causes an increase in flow velocity in the central part of the pipeline. Such a complex structure of a non-isothermal waxy oil flow is investigated using the RANS turbulence model
Ключевые слова
waxy oil, Newtonian fluid, viscoplastic state, RANS turbulence model, парафинді мұнай, Ньютон сұйықтығы, парафинистая нефть, ньютоновская жидкость
Казахстаника
0/0 Свободно
GANDHI S. P.
VALIDATED HIGH PERFORMANCE THIN LAYER CHROMATOGRAPHY METHOD FOR SIMULTANEOUS ESTIMATION FOR GALLIC ACID AND QUERCETIN IN POLYHERBAL BLEND AND THEIR QUANTITATIVE ESTIMATION
периодические издания(Журналы)
0/0 Свободно
GANDHI S. P.
VALIDATED HIGH PERFORMANCE THIN LAYER CHROMATOGRAPHY METHOD FOR SIMULTANEOUS ESTIMATION FOR GALLIC ACID AND QUERCETIN IN POLYHERBAL BLEND AND THEIR QUANTITATIVE ESTIMATION
периодические издания(Журналы)
0/0 Свободно
AYAZBAYEVA A. YE.
TEMPERATURE AND SALT RESPONSIVITY OF ANIONIC, CATIONIC AND AMPHOTERIC NANOGELS BASED ON N-ISOPROPYLACRYLAMIDE, 2-ACRYLAMIDO-2-METHYL-1-PROPANESULFONIC ACID SODIUM SALT AND (3-ACRYLAMIDOPROPYL) TRIMETHYLAMMONIUM CHLORIDE
периодические издания(Журналы)
0/0 Свободно
TYANAKH S.
KINETICS OF THERMOLYSIS OF A LOW-TEMPERATURE TAR IN THE PRESENCE OF A CATALYZER AGENT WITH DEPOSITED METALS
периодические издания(Журналы)
0/0 Свободно
TURGUNALIEVA D. M.
SYNTHESIS AND ANTIBACTERIAL ACTIVITY OF HYDRAZONES OF ISONICOTINIC AND SALICYLIC ACIDS BASED ON ACETYL DERIVATIVES OF COUMARIN AND BENZO [G] [1,3,5] OXADIAZOCINE
периодические издания(Журналы)
0/0 Свободно
PANSHINA S. YU.
SYNTHESIS OF CUCURBIT [6] URIL USING 1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONIC ACID AS A “GREEN CATALYST”
периодические издания(Журналы)
0/0 Свободно
BHIMANWAR R.
PROSPECTIVE HYBRID MOLECULES WITH DUAL ANTI-VIRAL AND ANTI-THROMBOTIC ACTIVITY AGAINST THE SARS-COV-2 INFECTION AND ITS ASSOCIATED COMPLICATIONS EMPLOYING IN SILICO STUDIES
периодические издания(Журналы)
0/0 Свободно
MAKASHEVA A. M.
DIRECT CORRELATION BETWEEN FLUID CLUSTER STRUCTURE AND ITS VISCOSITY
периодические издания(Журналы)
0/0 Свободно
ZHUMAGELDINA A. B.
CONSTRUCTION OF SOLITONS FOR INTEGRABLE NONLINEAR KAWAHARA EQUATION
периодические издания(Журналы)
0/0 Свободно
периодические издания(Журналы)
0/0 Свободно