01. Публикации в изданиях зарубежных стран: Недавние поступления

Отображаемые элементы 21-40 из 5764

STUDY OF THE EFFECT OF HEAT TRANSFER DURING MOLDING OF TERMOPLASTIC BERYLLIUM OXIDE CERAMICS

Esbol, Zh.; Sattinova, Z.K.; Turalina, D.E.; Mussenova, E.K. (Eurasian Physical Technical Journal, 2025)

Beryllium oxide (BeO) ceramics formed with the use of ultrasound exhibit more intense sintering, lower shrinkage, and a reduced sintering temperature compared to ceramics produced without ultrasound. The effectiveness ...
Study of the effect of phase formation processes on the change in optical and thermal properties of Nd2Zr2O7 ceramics with a pyrochlore structure

Kozlovskiy, Artem L.; Shlimas, Dmitriy I.; Volodina, Natalya; Moldabayeva, Gulnaz Zh; Kabiyev, Mussa; Konuhova, Marina (Optical Materials: X, 2025)

The paper presents the results of studies of the influence of phase formation processes with variations in annealing temperature on the processes of stabilization of the crystal structure, optical and thermal properties ...
Study of the application prospects of film detectors for estimation of α-radiation density

Yerimbetova, Dana S.; Konuhova, Marina; Kozlovskiy, Artem L.; Tuichiyev, Umitali N. (Optical Materials: X, 2025)

The aim of this research is to study the prospects of using the proposed methods of optical UV spectroscopy and X-ray diffractometry to determine the radiation density of the daughter products of radon decay - α-particles ...
Study of the applicability of ACdSe (A – Co, Ni) thin films as catalysts for heavy metal capture

Omarova, Aliya Zh; Kozlovskiy, Artem L.; Moldabayeva, Gulnaz Zh (Optical Materials: X, 2024)

Expansion of the possibilities of using photoactive thin films with a unique combination of optical and morphological characteristics as a basis for creation of highly efficient catalysts for the aqueous media purifi cation ...
Study of defect formation mechanisms in Li2ZrO3/MgLi2ZrO4 ceramics using EPR spectroscopy

Shlimas, Dmitriy I.; Khametova, Ainagul A.; Kozlovskiy, Artem L.; Zdorovets, Maxim V. (Optical Materials: X, 2025)

The article presents the results of experimental studies of the effect of the stabilizing MgO dopant using the electron spin resonance (ESP) method on enhancement of the stability of Li2ZrO3 ceramics to defect formation ...
Structural Changes in High-Entropy Alloys CoCrFeNi and CoCrFeMnNi, Irradiated by He Ions at a Temperature of 700 ◦C

Ivanov, Igor; Amanzhulov, Bauyrzhan; Uglov, Vladimir; Zlotski, Sergey; Kurakhmedov, Alisher; Koloberdin, Mikhail; Sapar, Asset; Ungarbayev, Yerulan; Zdorovets, Maxim (Materials, 2024)

High-entropy alloys (HEA) are promising structural materials that will successfully resist high-temperature irradiation with helium ions and radiation-induced swelling in new generations of nuclear reactors. In this ...
Stress Analysis in Tungsten Alloys Modified with Plasma Flows and Irradiated with Helium Ions

Ryskulov, Azamat; Shymanski, Vitaliy; Amanzhulov, Bauyrzhan; Ivanov, Igor; Uglov, Vladimir; Astashynski, Valiantsin; Koloberdin, Mikhail; Kuzmitski, Anton; Kurakhmedov, Alisher (Coatings, 2025)

As the development of nuclear fusion depends on plasma-facing materials, new methods for improving the radiation resistance of tungsten are being created and tested. This paper presents the results of studying the ...
Stability of compact stars in a uniform density background cloud

Singh, Ksh. Newton; Maurya, S. K.; Errehymy, A.; Donmez, O.; Myrzakulov, K.; Smitha, T. T. (European Physical Journal C, 2024)

We are discussing a scenario where a compact star (neutron star, NS) is embedded in a thin, uniform density background cloud (a remnant cloud after a supernova or a cloud generated from the late stages of a star e.g., a ...
Specifics of Data Collection and Data Processing during Formation of RailVista Dataset for Machine Learning- and Deep Learning-Based Applications

Abisheva, Gulsipa; Goranin, Nikolaj; Razakhova, Bibigul; Aidynov, Tolegen; Satybaldina, Dina (Sensors, 2024)

This paper presents the methodology and outcomes of creating the Rail Vista dataset, designed for detecting defects on railway tracks using machine and deep learning techniques. The dataset comprises 200,000 high-resolution ...
Solitary wave solutions for the nonlinear Schrodinger equation with power law nonlinearity

Kudaibergenov, Gaziz; Syzdykova, Arailym (Journal of Physics: Conference Series, 2025)

In this paper, the nonlinear Schr¨odinger equation with power law nonlinearity is considered. This equation admits Lax pair and is integrable. The Jacobi elliptic function approach is used to obtain solitary waves ...
Social networks in the context of postmodern theories – A case of Kazakhstan

Sabyrov, Nurlan; Otar, Elmira (Scientific Herald of Uzhhorod University Series “Physics”, 2024)

Relevance. Social networks are developed and spread to an increasing number of people every day. This is due to the dynamic process of digitalization, which provokes changes in all vectors and categories of society. Purpose. ...
Simulation of resonant reactions in TTIK approach by C++ code

Akhat, R.; Nauruzbayev, D.; Nurmukhanbetova, A. (International Journal of Mathematics and Physics, 2024)

We studied the interaction of ¹⁵N with hydrogen at low energies using the Thick Target Inverse Kinematics (TTIK) method combined with the Time of Flight (ToF) technique. This combination enables a clear identification of ...
SIMULATION OF CONDITIONS FOR ACHIEVING HIGH ELECTRICAL POWER AND EFFICIENCY IN A STIRLING ENGINE WITH A FREE WORKING PISTON

Sabdenov, K. О.; Erzada, M.; Zholdybaeva, G.T. (Eurasian Physical Technical Journal, 2024)

A simulation of the Stirling engine was carried out, where the temperature variability in the cooler and heater is taken into account, and the engine itself generates electric current. The study was carried out in the ...
Signature flips in time-varying Λ(t) cosmological models with observational data

Myrzakulov, Yerlan; Koussour, M.; Karimov, M.; Rayimbaev, J. (European Physical Journal C, 2024)

In this study, we investigate signature flips within the framework of cosmological models featuring a time-varying vacuum energy term Λ(t). Specifically, we consider the power-law form of Λ=αHn, where α and n are constants. ...
Search for Leptonic Decays of Dark Photons at NA62

Cortina Gil, E.; NA62 Collaboration (Physical Review Letters, 2024)

The NA62 experiment at CERN, configured in beam-dump mode, has searched for dark photon decays in flight to electron-positron pairs using a sample of 1.4×1017 protons on dump collected in 2021. No evidence for a dark photon ...
Scalar induced gravity waves from ultra slow-roll galileon inflation

Choudhury, Sayantan; Karde, Ahaskar; Panda, Sudhakar; Sami, M. (Nuclear Physics, Section B, 2024)

We consider the production of secondary gravity waves in Galileon inflation with an ultra-slow roll (USR) phase and show that the spectrum of scalar-induced gravitational waves (SIGWs) in this case is consistent with the ...
Revisiting Einstein-Gauss-Bonnet theories after GW170817

Oikonomou, V.K. (Physics Letters B, 2024)

In this work we study the inflationary framework of Einstein-Gauss-Bonnet theories which produce a primordial gravitational wave speed that respects the constraint imposed by the GW170817 event, namely |cT 2−1|<6×10−15 in ...
Research of Physical and Mechanical Properties of Self-Compacting Concrete Based on Polyfractional Binder

Begentayev, Meiram M.; Akhmetov, Daniyar A.; Lukpanov, Rauan E.; Kuldeyev, Erzhan I.; Zhumadilova, Zhanar O.; Myrzaliyev, Tolebi; Dyussembinov, Duman S.; Tolegenova, Aigerim K. (Applied Sciences, 2025)

This article presents the results of a study on the influence of a three-level dispersed composition of the clinker component of a binder, which includes coarse, medium, and fine fractions, on the physical and mechanical ...
Red or Blue Tensor Spectrum from GW170817-compatible Einstein-Gauss-Bonnet Theory: A Detailed Analysis

Oikonomou, V.K.; Tsyba, Pyotr; Razina, Olga (Institute of Physics, 2024)

In this work we shall prove that the tensor spectral index of the primordial tensor perturbations for GW170817-compatible Einstein-Gauss-Bonnet theories, takes the approximate simplified form nT≃2(-1+ 1/λ(φ))ϵ1 at leading ...

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