Электронды каталог
S басталады
Жанр:Жаратылыстану ғылымдары (natural_sciences)
Нәтежелер:
141-150 из 177
мерзімді басылым(Журналы)
SARSENBEKOVA A. ZH.
Sarsenbekova, A. Zh. Study of thermal stability and determination of effective activation energy values during degradation of unsaturated polyester copolymers in the air atmosphere [Text] / A. Zh. Sarsenbekova, A. N. Bolatbay , V. V. Morgun [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 1. - С. 86-91. - Bibliogr.: p. 90 ISSN 2518-718Х.
ӘОЖ индексі:
543.573
Тақырыпты айдарлар
- Methods related to weight change. Thermogravimetry
Аңдатпа
The article presents the results of a study of the kinetic parameters of copolymers based on polyethylene glycol fumarates, as well as external and internal effects on them
Кілт сөздер
thermogravimetry, thermal analysis, kinetic parameters, copolymers, polyethylene glycol fumarate, acrylic acid, activation energy
Қазақстандық
0/0 Бос
мерзімді басылым(Журналы)
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 // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 1. - Р. 92-98. - Bibliogr.: p. 96-97 ISSN 2518-718Х.
ӘОЖ индексі:
546.2
Тақырыпты айдарлар
- Nonmetals of groups III, IV, VI and elements of group zero
Аңдатпа
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
Кілт сөздер
Ge-Bi-Te ternary system, nBi2–mGeBi2Te4 homologous series, GeBi3 Te4 , GeBi4 Te4, tetradymitelike structure, topological insulators
Қазақстандық
0/0 Бос
мерзімді басылым(Журналы)
NURMAGANBETOV ZH. S.
Nurmaganbetov, Zh. S. Synthesis and Structure of 4-Substituted (1S,9aR)-1-[(1,2,3-triazol-1-yl)methyl]octahydro-1H-quinolysines of Lupinine [Text] / Zh. S. Nurmaganbetov, S. D. Fazylov , K. M. Turdybekov [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 2. - Р. 12-22. - Bibliogr.: p. 20-21 ISSN 2518-718Х.
ӘОЖ индексі:
547.94
Тақырыпты айдарлар
- Natural alkaloids
Аңдатпа
The article presents results on the synthesis and investigation of the structural features of a number of 1,4-disubstituted 1H-1,2,3-triazole derivatives of the alkaloid lupinine
Кілт сөздер
quinolysine alkaloids, lupinine, azides, triazoles, methanesulfonyl chloride, terminal alkynes, 1,3- dipolar cycloaddition reaction, X-ray structural analysis
Қазақстандық
0/0 Бос
мерзімді басылым(Журналы)
JUAN DU
Juan Du, Solvents Triggered Coil-to-Globule-to-Coil Transition of Dual Nanocomposite Hydrogels with Inorganic Hybrid Crosslinking [Text] / Juan Du Shimei Xu // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 115-126. - Bibliogr.: p. 124-125 ISSN 2518-718Х.
ӘОЖ индексі:
544
Тақырыпты айдарлар
- Physical chemistry
Аңдатпа
This paper presents the study on the reentrant solvation of dual nanocomposite hydrogel poly-N isopropylacrylamide/Laponite/SiO2 (PNIPAM/Laponite/SiO2) upon shrinkage/reswelling process.
Кілт сөздер
inorganic hybrid crosslinking, dual nanocomposite hydrogel, coil-to-globule-to-coil transition, poly-N-isopropylacrylamide, polar solvent
Қазақстандық
0/0 Бос
мерзімді басылым(Журналы)
BURKEYEV M. ZH.
Burkeyev, M. Zh. Synthesis and Investigation of the Properties of Polymer-immobilized Silver- and Gold Nanoparticles [Text] / M. Zh. Burkeyev, S. R. Shibayeva , T. O. Khamitova [et al.] // Bulletin of the Karaganda University. Chemistry series . - 2022. - № 3. - Р. 198-207. - Bibliogr.: р. 206 ISSN 2518-718Х.
ӘОЖ индексі:
54.04
Тақырыпты айдарлар
- Chemical properties (and constants)
Аңдатпа
Metal–polymer composites based on copolymers of polypropylene glycol maleate phthalate with acrylic acid and metallic gold and silver were synthesized for the first time
Кілт сөздер
nanocomposites, silver, gold, copolymer, polypropylene glycol maleate phthalate, acrylic acid, metal–polymer complex, antimicrobial activity
Қазақстандық
0/0 Бос
мерзімді басылым(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.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 25-34. - Bibliogr.: p. 33-34 ISSN 2518-718Х.
ӘОЖ индексі:
544.32
Тақырыпты айдарлар
- Thermodynamic functions of chemical processes
Кілт сөздер
hydrazides, isoniazid, salicylic acid hydrazide, coumarins, hydrazones, antimicrobial activity
Қазақстандық
0/0 Бос
мерзімді басылым(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.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 5-13. - Bibliogr.: p. 10-11 ISSN 2518-718Х.
ӘОЖ индексі:
544.4
Тақырыпты айдарлар
- Chemical kinetics. Catalysis
Аңдатпа
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
Кілт сөздер
cucurbit[6]uril, 1-hydroxyethylidene-1,1-diphosphonic acid, glycoluril, paraformaldehyde, oligomer
Қазақстандық
0/0 Бос
мерзімді басылым(Журналы)
MAMYTBEKOV G. K.
Mamytbekov, G. K. Synthesis, Structure and Properties of Hybrid Composite Bentonite-Based Materials [Text] / G. K. Mamytbekov, Zh. I. Beksultanov , V. I. Bannykh [et al.] // Bulletin of the Karaganda University. Chemistry series . - 2022. - № 3. - С. 267-282. - Bibliogr.: р. 277-279 ISSN 2518-718Х.
Аңдатпа
A systematic study of the synthesis of hybrid composite materials based on synthetic (poly-Nvinylpyrrolidone) and natural (agar-agar) macromolecules in the presence of plasticizers (PEG-400, glycerin) and mineral filler bentonite has been performed by the method of electron irradiation
Кілт сөздер
composition material , polymer-inorganic compositions , electron irradiation, bentonite, synthetic polymers, natural polymers
Қазақстандық
0/0 Бос
мерзімді басылым(Журналы)
ZULFUGAROVA S. M.
Zulfugarova, S. M. Synthesis of Transition Metal Ferrites (Co, Cu, Ni, Mn) by the Sol-Gel Method with Combustion and the Use of Microwave Processing [Text] / S. M. Zulfugarova, G. R. Azimova , Z. F. Aleskerova [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 118-135. - Bibliogr.: p. 130-134 ISSN 2518-718Х.
ӘОЖ индексі:
546
Тақырыпты айдарлар
- Inorganic chemistry
Аңдатпа
This review considers recent work on the synthesis of transition metal ferrites (Co, Cu, Ni, Mn) by sol-gel method with combustion, as well as the effect of microwave radiation
Кілт сөздер
ferrites, sol-gel method with combustion, complexing agents, microwave technology, microwave power, dispersion, texture, specific surface area, particle size
Қазақстандық
0/0 Бос
мерзімді басылым(Журналы)
HOUBI A.
Houbi, A. Synthesis and Microwave Absorption Properties of (Ni0.5Zn0.5Fe2O4/CI/CB) Ternary Composites [Text] / A. Houbi, A. A. Zharmenov; Y. Atassi [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 142-151. - Bibliogr.: p. 149-150 ISSN 2518-718Х.
ӘОЖ индексі:
542.9
Тақырыпты айдарлар
- Chemical reactions. Selected chemical methods
Аңдатпа
In this work, ternary composites of NiZn ferrite/carbonyl iron/carbon black (Ni0.5Zn0.5Fe2O4/CI/CB) were prepared via two stages
Кілт сөздер
NiZn ferrite, сarbonyl iron, сarbon black, reflection loss, absorption bandwidth, matching frequency, paraffin wax matrix, surface density
Қазақстандық
0/0 Бос
SARSENBEKOVA A. ZH.
STUDY OF THERMAL STABILITY AND DETERMINATION OF EFFECTIVE ACTIVATION ENERGY VALUES DURING DEGRADATION OF UNSATURATED POLYESTER COPOLYMERS IN THE AIR ATMOSPHERE
мерзімді басылым(Журналы)
0/0 Бос
ALIYEV F. R.
SYNTHESIS AND STUDY OF A NEW MIXED-LAYERED COMPOUND GEBI3 TE4 BELONGING TO THE NBI2–MGEBI2 TE4 HOMOLOGOUS SERIES
мерзімді басылым(Журналы)
0/0 Бос
NURMAGANBETOV ZH. S.
SYNTHESIS AND STRUCTURE OF 4-SUBSTITUTED (1S,9AR)-1-[(1,2,3-TRIAZOL-1-YL)METHYL]OCTAHYDRO-1H-QUINOLYSINES OF LUPININE
мерзімді басылым(Журналы)
0/0 Бос
JUAN DU
SOLVENTS TRIGGERED COIL-TO-GLOBULE-TO-COIL TRANSITION OF DUAL NANOCOMPOSITE HYDROGELS WITH INORGANIC HYBRID CROSSLINKING
мерзімді басылым(Журналы)
0/0 Бос
BURKEYEV M. ZH.
SYNTHESIS AND INVESTIGATION OF THE PROPERTIES OF POLYMER-IMMOBILIZED SILVER- AND GOLD NANOPARTICLES
мерзімді басылым(Журналы)
0/0 Бос
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
мерзімді басылым(Журналы)
0/0 Бос
PANSHINA S. YU.
SYNTHESIS OF CUCURBIT [6] URIL USING 1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONIC ACID AS A “GREEN CATALYST”
мерзімді басылым(Журналы)
0/0 Бос
MAMYTBEKOV G. K.
SYNTHESIS, STRUCTURE AND PROPERTIES OF HYBRID COMPOSITE BENTONITE-BASED MATERIALS
мерзімді басылым(Журналы)
0/0 Бос
ZULFUGAROVA S. M.
SYNTHESIS OF TRANSITION METAL FERRITES (CO, CU, NI, MN) BY THE SOL-GEL METHOD WITH COMBUSTION AND THE USE OF MICROWAVE PROCESSING
мерзімді басылым(Журналы)
0/0 Бос
HOUBI A.
SYNTHESIS AND MICROWAVE ABSORPTION PROPERTIES OF (NI0.5ZN0.5FE2O4/CI/CB) TERNARY COMPOSITES
мерзімді басылым(Журналы)
0/0 Бос