Электронды каталог
Жанр:Жаратылыстану ғылымдары (natural_sciences)
Каталог:Мақалалар
Нәтежелер:
3011-3020 из 3081
мерзімді басылым(Журналы)
ZHUBANOV A. A.
Zhubanov, A. A. Amidation of Polyethylene-Acrylic Acid Copolymer as Pour Point Depressants for Waxy Crude Oils [Text] / A. A. Zhubanov, V. G. Bondaletov , S. S. Kozhabekov [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 150-157. - Bibliogr.: p. 156-157 ISSN 2518-718Х.
ӘОЖ индексі:
665.7.038.64
Тақырыпты айдарлар
- Index additives (increasing viscosity index). Depressant additives (reducing the pour point)
Аңдатпа
The present work aims to provide amine-modified polyethylene-acrylic acid (PEAA) copolymers as a pour point depressant (PPD) that will be evaluated for lower pour point of crude oil
Кілт сөздер
polyethylene-acrylic acid , crude oil, copolymers, pour point depressant , flow, primary amines
Қазақстандық
0/0 Бос
мерзімді басылым(Журналы)
AYAZBAYEVA A. YE.
Ayazbayeva, A. Ye. Immobilization of Methyl Orange and Methylene Blue within the Matrix of Charge-Imbalanced Amphoteric Nanogels and Study of Dye Release Kinetics as a Function of Temperature and Ionic Strength [Text] / A. Ye. Ayazbayeva, S. Z. Nauryzova , V. O. Aseyev [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 127-140. - Bibliogr.: p. 138-139 ISSN 2518-718Х.
ӘОЖ индексі:
541.64
Тақырыпты айдарлар
- Chemistry of macromolecules. Products of polymerization, polycondensation and polyaddition reactions
Кілт сөздер
polyampholyte nanogels, methyl orange, methylene blue, polyampholyte-dye complex, phase transition temperature, dye release
Қазақстандық
0/0 Бос
мерзімді басылым(Журналы)
MUKHAMETGAZY N.
Mukhametgazy, N. Oil Recovery at High Brine Salinity Conditions Using Amphoteric Terpolymer [Text] / N. Mukhametgazy, I. Sh. Gussenov , A. V. Shakhvorostov [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 141-149. - Bibliogr.: p. 147-148 ISSN 2518-718Х.
ӘОЖ индексі:
544
Тақырыпты айдарлар
- Physical chemistry
Аңдатпа
The viscosity and the oil recovery ability of high molecular weight amphoteric terpolymer (ATP) were tested in different brines and compared with hydrolyzed poly(acrylamide) (HPAM) which is traditionally used in enhanced oil recovery (EOR)
Кілт сөздер
amphoteric terpolymer, hydrolyzed poly, acrylamide, antipolyelectrolyte effect, sand pack model, water flooding, polymer flooding, oil recovery factor
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)
TOKTARBAIULY O.
Toktarbaiuly, O. Fabrication of Superhydrophobic Self-Cleaning Coatings by Facile Method: Stable after Exposure to Low Temperatures and UV Light [Text] / O. Toktarbaiuly, A. Kurbanova , O. Ualibek [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 158-167. - Bibliogr.: p. 165-166 ISSN 2518-718Х.
ӘОЖ индексі:
54.057
Тақырыпты айдарлар
- Synthesis
Кілт сөздер
superhydrophobic coating, superhydrophobic sand, polydimethylsiloxane, titanium oxide nanoparticles, contact angle, electrokinetic potential
Қазақстандық
0/0 Бос
мерзімді басылым(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.
ӘОЖ индексі:
541.64
Тақырыпты айдарлар
- Chemistry of macromolecules. Products of polymerization, polycondensation and polyaddition reactions
Аңдатпа
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
Кілт сөздер
liquid crystalline polymers, phase transitions, polarizing microscopy, thermal stability, high-temperature polycondensation
Қазақстандық
0/0 Бос
мерзімді басылым(Журналы)
KAZHMURATOVA A. T.
Kazhmuratova, A. T. Influence of the RAFT Agent on the Reaction Direction of the Copolymerization of Polypropylene Glycol Maleate with Acrylic Acid [Text] / A. T. Kazhmuratova, M. S. Zhunissova , J. Plocek [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 189-197. - Bibliogr.: p. 196-167 ISSN 2518-718Х.
ӘОЖ индексі:
54.04
Тақырыпты айдарлар
- Chemical properties (and constants)
Аңдатпа
This work demonstrates the capability of synthesizing new polymers based on unsaturated polyester and acrylic acid in the presence of a chain-transfer agent in a dioxane solution
Кілт сөздер
unsaturated polyester, polypropylene glycol maleate, acrylic acid, RAFT-polymerization
Қазақстандық
0/0 Бос
мерзімді басылым(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.
ӘОЖ индексі:
544.4
Тақырыпты айдарлар
- Chemical kinetics. Catalysis
Аңдатпа
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
Кілт сөздер
biopolymer, Cu-containing enzyme, coumaric acid, polyphenol oxidase, antioxidant, antioxidant, spectroscopy, tyrosinase, molecular modeling
Қазақстандық
0/0 Бос
мерзімді басылым(Журналы)
МUSSABAYEVA B. KH.
Мussabayeva, B. Kh. Interpolyelectrolyte Complex Chitosan – Alginate for Soil Structuring [Text] / B. Kh. Мussabayeva, Zh. S. Kassymova; L. K. Orazzhanova [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 102-111. - Bibliogr.: p. 112-113 ISSN 2518-718Х.
ӘОЖ индексі:
541.6
Тақырыпты айдарлар
- Chemical structure. Dependence of the properties of substances on the chemical structure. Chemistry of high polymers
Аңдатпа
The article presents the results of a vegetation field experiment on soil treatment with an interpolyelectrolyte complex
Кілт сөздер
biopolymers, polysaccharides, interpolymer complex, vegetation experience, dark chestnut soil
Қазақстандық
0/0 Бос
мерзімді басылым(Журналы)
AVAZOVA O. B.
Avazova, O. B. Polymolecular Complexes of Chitosan with the Bombyx Mori Protein [Text] / O. B. Avazova, R. Yu. Milushevа , I. N. Nurgaliev [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 87-101. - Bibliogr.: p. 99-100 ISSN 2518-718Х.
ӘОЖ индексі:
577
Тақырыпты айдарлар
- Material foundations of life. Biochemistry. Molecular Biology. Biophysics
Аңдатпа
The interaction of chitosan (ChS) and the Bombyx mori protein on different pH ranges was studied, and the fundamental possibility of obtaining complexes of ChS with the Bombyx mori protein was revealed
Кілт сөздер
silk production waste, silkworm pupae, alkaline hydrolysis, protein, chitin, chitosan
Қазақстандық
0/0 Бос
ZHUBANOV A. A.
AMIDATION OF POLYETHYLENE-ACRYLIC ACID COPOLYMER AS POUR POINT DEPRESSANTS FOR WAXY CRUDE OILS
мерзімді басылым(Журналы)
0/0 Бос
AYAZBAYEVA A. YE.
IMMOBILIZATION OF METHYL ORANGE AND METHYLENE BLUE WITHIN THE MATRIX OF CHARGE-IMBALANCED AMPHOTERIC NANOGELS AND STUDY OF DYE RELEASE KINETICS AS A FUNCTION OF TEMPERATURE AND IONIC STRENGTH
мерзімді басылым(Журналы)
0/0 Бос
MUKHAMETGAZY N.
OIL RECOVERY AT HIGH BRINE SALINITY CONDITIONS USING AMPHOTERIC TERPOLYMER
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
TOKTARBAIULY O.
FABRICATION OF SUPERHYDROPHOBIC SELF-CLEANING COATINGS BY FACILE METHOD: STABLE AFTER EXPOSURE TO LOW TEMPERATURES AND UV LIGHT
мерзімді басылым(Журналы)
0/0 Бос
DEBERDEEV T. R.
THERMAL BEHAVIOR OF NOVEL AROMATIC OLIGOESTERS AND OLIGOESTERAMIDES
мерзімді басылым(Журналы)
0/0 Бос
KAZHMURATOVA A. T.
INFLUENCE OF THE RAFT AGENT ON THE REACTION DIRECTION OF THE COPOLYMERIZATION OF POLYPROPYLENE GLYCOL MALEATE WITH ACRYLIC ACID
мерзімді басылым(Журналы)
0/0 Бос
WU C. Y.
THREE-DIMENSIONAL FINGERPRINT SPECTROSCOPY STUDY ON THE BIOPOLYMER SYSTEM OF POLYPHENOL OXIDASE BINDING WITH CUMALIC ACID
мерзімді басылым(Журналы)
0/0 Бос
МUSSABAYEVA B. KH.
INTERPOLYELECTROLYTE COMPLEX CHITOSAN – ALGINATE FOR SOIL STRUCTURING
мерзімді басылым(Журналы)
0/0 Бос
AVAZOVA O. B.
POLYMOLECULAR COMPLEXES OF CHITOSAN WITH THE BOMBYX MORI PROTEIN
мерзімді басылым(Журналы)
0/0 Бос