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Выпуск 2021 года

Выпуск 2021 года

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Magnetic anisotropy and stability of Fe3Ga compounds

Inerbaev, T.M.; Abuova, A.U.; Dauletbekova, A.K.; Abuova, F.U.; Kaptagay, G.A.; Zakieva, Zh.; Eltizarova, M.; Barakov, A. (2021)

The magnetic anisotropy energy and the stability of crystal modifications of D03 and L21 of Fe3Ga compounds are studied with the density functional theory methods. The magnetic anisotropy energy of the D03 structure is ...
Application of non-destructive neutron resonance capture analysis for investigation of women’s Old Believer cross dating back to the second half of the 17th century

Mazhen, S.T.; Sedyshev, P.V.; Simbirtseva, N.V.; Yergashov, A.M.; Dmitriev, A.Yu.; Ivchenkov, V.L. (2021)

Neutron Resonance Capture Analysis (NRCA) is presently being developed at the Frank Laboratory of Neutron Physics (FLNP) to determine the elemental composition of samples. The NRCA is a nondestructive method that allows ...
A comparative study of promising filter materials for neutron imaging facilities

Nazarov, K.M.; Kichanov, S.E.; Lukin, E.V.; Zel, I.Yu.; Kozlenko, D.P.; Zholdybayev, T.K.; Muhametuly, B.; Kenessarin, M.; Rutkauskas, A.V.; Yskakov, A.; Belova, M.O. (2021)

The effect of sapphire and bismuth single-crystal filters and their combinations on the quality of neutron radiographic images and neutron tomography data has been studied. The parameters of the contrast of the neutron ...
Mechanisms for the creation of intrinsic electron-hole trapping centers in a CaSO4 crystall

Nurakhmetov, T.N.; Zhangylyssov, K.B.; Zhunusbekov, A.M.; Daurenbekov, D.H.; Alibay, T.T.; Sadykova, B.M.; Yussupbekova, B.N.; Tolekov, D.A. (2021)

The mechanism of creation of electron-hole trapping centers in CaSO4 at 15-300 K was investigated by the methods of vacuum-ultraviolet and thermoactivation spectroscopy. It is shown that electron-hole trapping centers ...
Conducting and dielectric properties of Na3Fe2 (PO4 )3 and Na2FePO4F

Nogai, A.A.; Salikhodzha, Zh.M.; Nogai, A.S.; Uskenbaev, D.E. (2021)

In this research, the structure parameters, conducting and dielectric properties of Na3Fe2(PO4)3 and Na2FePO4F polycrystals were studied obtained by solid-phase synthesis. The phase transition temperatures, conducting and ...
Influence of Cu+ impurity on the efficiency of creation of electron-hole trapping centers in irradiated Na2SO4 − Cu crystals

Nurakhmetov, T.N.; Yussupbekova, B.N.; Zhunusbekov, A.M.; Daurenbekov, D.H.; Sadykova, B.M.; Zhangylyssov, K.B.; Alibay, T.T.; Tolekov, D.A. (2021)

The mechanisms of creation of impurity and intrinsic electron-hole trapping centers in Na2SO4 − Cu crystals have been investigated by spectroscopic methods. It is shown that impurity and intrinsic electron-hole trapping ...
Study of change in beryllium oxide strength properties as a result of irradiation with heavy ions

Zdorovets, M.V.; Kozlovskiy, A.L.; Borgekov, D.B.; Shlimas, D.I. (2021)

The paper presents data on changes in strength properties, including data on microhardness, crack resistance, bending strength and wear of BeO ceramics as a result of irradiation with heavy accelerated ions. The following ...
Assessment of the radiation situation in the territory of the Saumalkol village, located near the mothballed uranium mine of the North Kazakhstan region

Nygymanova, A.S.; Kuterbekov, K.A.; Bakhtin, M.M.; Karpenko, E.I.; Kabyshev, A.M. (2021)

For the first time after the mothballing of the uranium mine, comprehensive studies were carried out to assess the radiation situation in the territory of the Saumalkol settlement in the North Kazakhstan region. On the ...
Hyperfine structure S state of muonic helium atom

Aznabayev, D.T.; Bekbaev, A.K.; Korobov, V.I. (2021)

In this work the nonrelativistic ionization energies 3He2+µ −e − and 4He2+µ −e − of helium-muonic atoms are calculated for S states.The estimates are based on the variational principle of exponential expansion. ...
Intrinsic emission and electron-hole trapping centers in crystals Li2SO4 -Cu

Nurakhmetov, T.N.; Salikhodzha, Zh.M.; Dolomatov, M.Y.; Yussupbekova, B.N.; Zhunusbekov, A.M.; Kainarbay, A.Zh.; Daurenbekov, D.H.; Sadykova, B.M.; Zhangylyssov, K.B.; Alibay, T.T.; Tolekov, D.A. (2021)

In the present work, the emission and excitation spectra in Li2SO4-Cu crystals have been obtained by the methods of vacuum-ultraviolet and thermoactivation spectroscopy. We have studied the nature of emission from a pressed ...
The nature of intrinsic recombination emission in SrSO4 irradiated with ultraviolet photons

Nurakhmetov, T.N.; Salikhodzha, Zh.M.; Bakhtizin, R.Z.; Zhangylyssov, K.B.; Zhunusbekov, A.M.; Kainarbay, A.Zh.; Daurenbekov, D.H.; Azmagambetova, Zh.; Sadykova, B.M.; Yussupbekova, B.N.; Alibay, T.T.; Tolekov, D.A.; Tulebayeva, N.; Adil, B. (2021)

The synthesized SrSO4 crystalline powders were irradiated at photon energies from 6 ÷ 12 eV, in the temperature range from 15 ÷ 300 K. The investigation was carried out by the methods of atomic absorption, luminescence ...
Study of gamma radiation shielding efficiency by 0.5TeO2 -(0.5-x)Bi2O3 -xWO3 glasses

Temir, A.; Zhumadilov, K.Sh.; Kozlovskiy, A.; Smagulova, A.; Shlimas, D.I.; Trukhanov, A.V. (2021)

This article is devoted to the study of determination of gamma radiation shielding efficiency by new radiation-resistant glasses of the 0.5TeO2-(0.5-x)Bi2O3-xWO3 type. As a method of obtaining glasses, the method of ...
Time-of-flight fission fragment spectrometer of the MAVR facility

Aznabayev, D.; Lukyanov, S.M.; Zeinulla, Zh.; Issatayev, T.; Maslov, V.A.; Mendibayev, K.; Melnik, E.V.; Smirnov, V.I.; Stukalov, S.S.; Shakhov, A.V. (2021)

A time-of-flight system was created to register the reaction products and perform correlation measurements on a high-resolution magnetic analyzer (MAVR). The facility is located on the channel of the extracted beam of the ...
Assessment of radiation exposure in the settlements located in Stepnogorsk area

Ibrayeva, D.S.; Aumalikova, M.N.; Ilbekova, K.B.; Bakhtin, M.M.; Kazymbet, P.K.; Ibrayeva, Sh.S.; Zhumadilov, K.Sh. (2021)

The Stepnogorsk area Northern Kazakhstan has a long history mining activities. Mining activities have lots of environmental and health impacts. The aims of this study were to characterizing the general radiological ...
Energy transfer of intrinsic electronic excitation to impurities in the CaSO4 − Mn crystal

Nurakhmetov, T.N.; Salikhodzha, Zh.M.; Zhangylyssov, K.B.; Zhunusbekov, A.M.; Kainarbay, A.Zh.; Daurenbekov, D.H.; Azmagambetova, Zh.; Sadykova, B.M.; Yussupbekova, B.N.; Alibay, T.T.; Tolekov, D.A.; Tulebayeva, N. (2021)

The nature of the impurity emission center and the energy transfer mechanisms from intrinsic electronic excitations to the Mn2+ impurity centers in the CaSO4 − Mn crystal have been investigated. The methods of vacuum ...
Mechanisms formation of electron-hole trap centers in LiKSO4 crystall

Nurakhmetov, T.N.; Salikhodzha, Zh.M.; Zhunusbekov, A.M.; Kainarbay, A.Zh.; Daurenbekov, D.H.; Alibay, T.T.; Sadykova, B.M.; Zhangylyssov, K.B.; Yussupbekova, B.N.; Tolekov, D.A. (2021)

The mechanisms of creation of electron-hole trapping centers in LiKSO4 have been investigated by the methods of vacuum and thermal activation spectroscopy. It is shown that electron-hole trapping centers are formed during ...
Measuring the yields and angular distributions of γ - quanta from the interaction between 14.1 MeV neutrons and sodium nuclei

Dabylova, S.B.; Kopatch, Yu.N.; Fedorov, N.A.; Grozdanov, D.N.; Ruskov, I.N.; Skoy, V.R.; Hramco, K.; Tretyakova, T.Yu.; Sakhiyev, S.K.; Marzhokhov, R.B.; Bogolyubov, E.P.; Zverev, V.I.; Barmakov, Yu.N. (2021)

A study of the reaction of inelastic scattering of 14.1 MeV neutrons by 23 Na nuclei was carried out at the TANGRA facility using the tagged neutron method. In this work, the energies of visible γ - transitions are determined, ...
Non-destructive analysis of materials by neutron imaging at the TITAN facility

Nazarov, K.M.; Mukhametuly, B.; Kichanov, S.E.; Zholdybayev, T.K.; Shaimerdenov, A.A.; Karakozov, K.B.; Dyussambayev, D.S.; Aitkulov, M.T.; Yerdauletov, M.; Napolskiy, P.; Kenessarin, M.; Kalymkhan, E.K.; Imamverdiyev, N.A.; Jabarov, S.H. (2021)

Since 2019, the TITAN neutron radiography and tomography facility have been operating at the WWR-K research reactor. The experimental station is intended for a wide range of applications in various fields of science. ...
КУЛЬТУРНО-ЯЗЫКОВАЯ АДАПТАЦИЯ РЕПАТРИАНТОВ –КАЗАХОВ В УСЛОВИЯХ ВУЗОВСКОГО ОБУЧЕНИЯ

Агманова, А.Е. (Евразийский национальный университет имени Л.Н. Гумилева, 2017)

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