Elektrondy katalog
O басталады
Janr:Жаратылыстану ғылымдары (natural_sciences)
Nátejeler:
81-90 ız 104
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.
ÁOJ:
544
Taqyrypty aıdarlar
- Physical chemistry
Ańdatpa
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)
Kіlt sózder
amphoteric terpolymer, hydrolyzed poly, acrylamide, antipolyelectrolyte effect, sand pack model, water flooding, polymer flooding, oil recovery factor
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
USSIPBEK B. A.
Ussipbek, B. A. Oxidative stress and mitochondrial dysfunction [Text] / B. A. Ussipbek, L. C. López , N. T. Ablaikhanova [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Биология және медицина сериясы. - 2020. - № 2 (338). - P. 31-40. - Bibliogr.: p. 39-40 ISSN 2224-5308.
ÁOJ:
577.2
Taqyrypty aıdarlar
- Molecular Biology
Ańdatpa
The article examines oxidative stress and mitochondrial dysfunction
Kіlt sózder
oxidative stress, reactive oxygen specie, mitochondria, mitochondrial diseases, coenzyme Q10, glutathione, тотығу стресі, митохондрия аурулары, окислительный стресс, митохондриальные заболеваний
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
MULDAKHMETOV Z. M.
Muldakhmetov, Z. M. Obtaining Carbon Sorbent from “Euromet” LLP Coke Breeze [Text] / Z. M. Muldakhmetov, A. T. Ordabaeva , M. G. Meiramov [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 2. - Р. 115-124. - Bibliogr.: p. 122-123 ISSN 2518-718Х.
ÁOJ:
661.183
Taqyrypty aıdarlar
- Adsorbents
Ańdatpa
The paper presents the results of a physicochemical analysis of a coke sample from “Euromet” LLP (Karaganda, Kazakhstan), which is carbonaceous material with high carbon content, the absence of volatiles matter and low ash content
Kіlt sózder
coke breeze, coals, sorbent, sorption capacity, ash content, bulk density
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
OLESHKO V. I.
Oleshko, V. I. Obtaining and studying the luminescent properties of zinc oxides synthesized in a stream of high-energy electrons [Text] / V. I. Oleshko Zixuan Li // Қарағанды университетінің хабаршысы. Физика сериясы. - 2024. - № 4 (116). - P. 92-97. - Bibliogr.: p. 95-96 ISSN 2518-7198.
ÁOJ:
535.37
Taqyrypty aıdarlar
- Luminescence
Ańdatpa
The purpose of this work is to elucidate the possibility of radiation synthesis of ZnO nanocrystals using a powerful electron beam with energy of 1.4 MeV and a power density of 6‒10 kW/cm2released into the air at atmospheric pressure
Kіlt sózder
zinc oxide, radiation synthesis, nano- and microstructures, transmission electron microscopy, photoluminescence, мырыш оксиді, фотолюминесценция, оксид цинка
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
ASHUROV R. R.
Ashurov, R. R. On a non-local problem for a fractional differential equation of the Boussinesq type [Text] / R. R. Ashurov, Yu. E. Fayziev , M. U. Khudoykulova // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 3 (115). - P. 34-45. - Bibliogr.: p. 44-45 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations
Ańdatpa
In this paper, a non-local problem for the Boussinesq type equation Dαtu(t) +ADαtu(t) +ν2Au(t) = 0,0< t < T,1< α <3/2 is studied, where Dαt is the Caputo fractional derivative, and A is an abstract operator
Kіlt sózder
fractional equation, Caputo derivative, forward and inverse problems, Fourier method, Boussinesq type
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
OLĞAR H.
Olğar, H. Operator-pencil treatment of multi-interval Sturm-Liouville equation with boundary-transmission conditions [Text] / H. Olğar, F. Muhtarov , O. Mukhtarov // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 3 (115). - P. 126-136. - Bibliogr.: p. 134-135 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations. Integral equations
Ańdatpa
This paper is devoted to a new type of boundary-value problems for Sturm-Liouville equations defined on three disjoint intervals (−π, −π+d),(−π+d, π−d), and (π−d, π) together with eigenparameter dependent boundary conditions and with additional transmission conditions specified at the common end points −π+d and π−d, where 0< d < π
Kіlt sózder
boundary-value-transmission problems, eigenvalues, generalized eigenfunctions, lower boundestimation, Rayleigh’s method, transmission conditions
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
ARIPOV M. M.
Aripov, M. M. On stability of nonlinear difference equations and some of their applications [Text] / M. M. Aripov, D. Utebaev , B. D. Utebaev [et al.] // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 3 (115). - P. 13-25. - Bibliogr.: p. 23-25 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations
Ańdatpa
The issues of stability in solving nonlinear difference equations were considered
Kіlt sózder
nonlinear difference equations, difference schemes, a priori estimates, stability, difference equations
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
BENSASSA K.
Bensassa, K. On solution of non-linear FDE under tempered Ψ−Caputo derivative for the first-order and three-point boundary conditions [Text] / K. Bensassa, M. Benbachir , M. E. Samei [et al.] // Қарағанды университетінің хабаршысы. Математика сериясы. - 2024. - № 4 (116). - P. 41-56. - Bibliogr.: p. 54-56 ISSN 2518-7929.
ÁOJ:
517.9
Taqyrypty aıdarlar
- Differential equations
Ańdatpa
In this article, the existence and uniqueness of solutions for non-linear fractional differential equation with Tempered Ψ−Caputo derivative with three-point boundary conditions were studied
Kіlt sózder
fractional differential equations, tempered Ψ−Caputo derivative, nonlinear analysis, Schaefer’s fixed point theorem, Banach contraction
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
ALPYSSOVA G. K.
Alpyssova, G. K. Optical properties of ZnWO4 ceramics obtained by radiation synthesis [Text] / G. K. Alpyssova, D. A. Afanasyev , Zh. K. Bakiyeva [et al.] // Қарағанды университетінің хабаршысы. Физика сериясы. - 2024. - № 3 (115). - P. 51-60. - Bibliogr.: p. 57-59 ISSN 2518-7198.
ÁOJ:
535.37
Taqyrypty aıdarlar
- Luminescence
Ańdatpa
The morphology of the surface, X-ray diffraction spectra and optical properties of ZnWO4 ceramics obtained by radiation synthesis were studied
Kіlt sózder
radiation synthesis, zinc tungstate, X-ray diffraction spectra, EDX analysis, power density, optical properties of ceramics, люминесценция, радиациялық cинтез, радиационный синтез
Qazaqstandуq
0/0 Bos
мерзімді басылым(Журналы)
UTEULIN K. R.
Uteulin, K. R. On necessity of restoration of the degraded kok saghyz population [Text] / K. R. Uteulin, I. O. Baitulin // Қазақстан Республикасы Ұлттық ғылым академиясының баяндамалары. - 2017. - № 2. - P. 56-58. - Bibliogr.: p. 58 ISSN 2224-5227.
ÁOJ:
582.998.1
Taqyrypty aıdarlar
- Compositae (Asteraceae)
Ańdatpa
In this article, the challenges associated with the declining productivity of traditional Hevea brasiliensis plantations and the increasing global demand for natural rubber are discussed in the context of introducing the rare Kazakhstani Red Book species Taraxacum kok-saghyz into cultivation
Kіlt sózder
kok-saghyz, population, degradation, botany, biology, көк-сағыз
Qazaqstandуq
0/0 Bos
MUKHAMETGAZY N.
OIL RECOVERY AT HIGH BRINE SALINITY CONDITIONS USING AMPHOTERIC TERPOLYMER
мерзімді басылым(Журналы)
0/0 Bos
мерзімді басылым(Журналы)
0/0 Bos
MULDAKHMETOV Z. M.
OBTAINING CARBON SORBENT FROM “EUROMET” LLP COKE BREEZE
мерзімді басылым(Журналы)
0/0 Bos
OLESHKO V. I.
OBTAINING AND STUDYING THE LUMINESCENT PROPERTIES OF ZINC OXIDES SYNTHESIZED IN A STREAM OF HIGH-ENERGY ELECTRONS
мерзімді басылым(Журналы)
0/0 Bos
ASHUROV R. R.
ON A NON-LOCAL PROBLEM FOR A FRACTIONAL DIFFERENTIAL EQUATION OF THE BOUSSINESQ TYPE
мерзімді басылым(Журналы)
0/0 Bos
OLĞAR H.
OPERATOR-PENCIL TREATMENT OF MULTI-INTERVAL STURM-LIOUVILLE EQUATION WITH BOUNDARY-TRANSMISSION CONDITIONS
мерзімді басылым(Журналы)
0/0 Bos
ARIPOV M. M.
ON STABILITY OF NONLINEAR DIFFERENCE EQUATIONS AND SOME OF THEIR APPLICATIONS
мерзімді басылым(Журналы)
0/0 Bos
BENSASSA K.
ON SOLUTION OF NON-LINEAR FDE UNDER TEMPERED Ψ−CAPUTO DERIVATIVE FOR THE FIRST-ORDER AND THREE-POINT BOUNDARY CONDITIONS
мерзімді басылым(Журналы)
0/0 Bos
ALPYSSOVA G. K.
OPTICAL PROPERTIES OF ZNWO4 CERAMICS OBTAINED BY RADIATION SYNTHESIS
мерзімді басылым(Журналы)
0/0 Bos
UTEULIN K. R.
ON NECESSITY OF RESTORATION OF THE DEGRADED KOK SAGHYZ POPULATION
мерзімді басылым(Журналы)
0/0 Bos