Отображаемые элементы 81-100 из 5785

    • New measurements of (p,xp) and (p,xα) reactions on 27Al at 7.0, 22.0 and 30.0 MeV 

      Gusseinova, D.; Ussabayeva, G.; Zholdybayev, T. K.; Boztosun, I.; Kucuk, Y.; Koning, A. J.; Kerimkulov, Zh.; Sadykov, B.; Temirzhanov, A.; Canbula, B. (European Physical Journal A, 2025)
      We present new experimental data for the inclusive (p,xp) and (p,xα) reactions on 27Al target. Double-differential cross sections of (p,xp) at energies 7, 22, 30 MeV and (p,xα) at energies 22, 30 MeV within the angular range of 30∘–135∘ have been measured for the first time. The data has been analyzed by using the exciton model, along with multistep direct and multistep compound ...
      2026-03-30
    • Mythical cognition and social consciousness (based on mythological characters) 

      Akanova, Aikerim; Yespekova, Lyazzat; Kenzhalin, Kuanyshbek; Adilbek, Amangul; Magzumbekova, Amina (Scientific Herald of Uzhhorod University Series “Physics”, 2024)
      Relevance. The set of views that are closely related to art and culture, which develops and develops in close connection with the life of the nations of the world over the centuries is called a worldview. Purpose. The root of such concepts as national cognition, national identity, general worldview is intertwined with mythology. Methodology. The article also proves the ...
      2026-03-30
    • Myrzakulov gravity in vielbein formalism: A study in Weitzenböck spacetime 

      Momeni, Davood; Myrzakulov, Ratbay (Nuclear Physics, Section B, 2025)
      The quest to understand the nature of gravity and its role in shaping the universe has led to the exploration of modified gravity theories. One of the pioneering contributions in this field is the Myrzakulov gravity theory, which incorporates both curvature and torsion. In this work, we investigate the effects of torsion within the framework of f(R,T)-gravity, a modification of ...
      2026-03-30
    • Modeling Sustainable Development of Transport Logistics Under Climate Change, Ecosystem Dynamics, and Digitalization 

      Jacyna-Gołda, Ilona; Shmygol, Nadiia; Sembiyeva, Lyazzat; Cherniavska, Olena; Burtebayeva, Aruzhan; Uskenbayeva, Assiya; Salwin, Mariusz (Applied Sciences, 2025)
      This article examines the modeling of sustainable development in transport logistics, focusing on the impact of climate factors, changing weather conditions, and digitalization processes. The study analyzes the complex influence of adverse weather phenomena, such as fog, rain, snow, extreme temperatures, and strong winds, whose frequency and intensity are increasing due to ...
      2026-03-30
    • Modeling of the Efficiency of the Centrifugal Conical Disk Dispenser of Bulk Materials 

      Dmytriv, Vasyl; Bembenek, Michał; Banha, Vasyl; Dmytriv, Ihor; Dzienniak, Damian; Nurkusheva, Saltanat (Materials, 2024)
      Centrifugal disk dispensers are widely used in various tasks of dosing bulk, dispersed materials. The design of the disk depends on the physical and mechanical characteristics of the dosing medium. The work discusses the development of an analytical model of the movement of a material particle along a conical centrifugal disk depending on the kinematic characteristics of ...
      2026-03-30
    • MODELING OF NOISE SOURCES LOCALIZATION ON A CONSTRUCTION SITE BASED ON RADIAL MICROPHONE ARRAY AND HIGHEST SIGNAL DIRECTION INTERSECTIONS 

      Utepov, Ye.B.; Imanov, A.Zh.; Mukanova, B.G.; Nazarova, A.G.; Aniskin, A.; Akhazhanov, S.B. (Eurasian Physical Technical Journal, 2024)
      Noise pollution from construction activities affects both workers and nearby residents. This study proposes a new method for localizing noise sources on construction sites. The method uses a radial microphone array and an algorithm based on the highest signal direction intersections. Simulations show this approach can identify noise source locations with relatively decent ...
      2026-03-30
    • Metric-Affine Myrzakulov Gravity Theories: Models, Applications and Theoretical Developments 

      Momeni, Davood; Myrzakulov, Ratbay (International Journal of Theoretical Physics, 2025)
      This review provides a comprehensive overview of Myrzakulov gravity, emphasizing key developments and significant results that have shaped the theory’s current understanding. The paper explores the foundational principles of this modified gravity framework, delving into the intricate structure of field equations, the incorporation of non-metricity, and the role of torsion in ...
      2026-03-30
    • Method for generating multimedia files for the tasks of facial biometrics and its applications 

      Kaziyeva, Nazym M.; Kukharev, Georgy A.; Maulenov, Kalybek S. (Scientific and Technical Journal of Information Technologies, Mechanics and Optics, 2024)
      The methods of constructing compact multimedia files based on a color image of a face, biometric data and documentary information about the person to whom this face belongs are considered. The essence of the proposed method consists in generating a color QR code based on facial characteristics and embedding the code into the face image. The formation of a color QR code is performed ...
      2026-03-30
    • Mechanisms of Intrinsic and Impurity Electron-hole Trapping Centers in K3Y(SO4)3 – Eu and LiY(SO4)2 – Eu Double Cation Phosphors 

      Tolekov, D.A.; Shamiyeva, R.K.; Alibay, T.T.; Salikhodzha, Zh.M.; Kainarbay, Asset Zh.; Sadykova, B.M.; Yussupbekova, B.N.; Nurpeissov, A.S.; Makhmet, Zh.K.; Nazymkyzy, N. (Eurasian Journal of Physics and Functional Materials, 2024)
      The mechanisms of creation of intrinsic and impurity trapping centers, the interaction of which forms combined or induced electronic states under the conduction band, have been studied using optical and thermal activation spectroscopy. It is shown that electron-hole trapping centers are created when free electrons are trapped by impurities and ions of the SO2–4 matrix, as well ...
      2026-03-30
    • MECHANISM OF FORMATION WATER MOLECULES AND CHEMICAL BONDS IN LEPTOTHRIX MATERIALS 

      Mirzayeva, D.M.; Aghayeva, S.A.; Kaplina, S.P.; Slavov, L.; Gustova, M.V.; Tiep, N.V.; Tuan, P.L.; Maletskii, A.V.; Doroshkevich, A.S.; Thabethe, T.T.; Hasanov, K.M.; Kostov, L.K.; Mauyey, B. (Advanced Physical Research, 2024)
      The provided study involves investigating chemical interactions in Leptothrix biomaterial through infrared spectroscopy. The analysis explores variations in chemical relationships based on the nature of chemical bonds and biomaterial coordinates. The primary chemical bonds identified in the biomaterial are associated with Fe-O vibrations and resonances of [OH] functional ...
      2026-03-30
    • MECHANISM OF FORMATION OF INTERNAL AND SURFACE DEFECTS IN CASTING AND THEIR TRANSFORMATION INTO SURFACE DEFECTS OF SHEET 

      Ibraev, I.K.; Ibraeva, O.T.; Zhakupov, T.M. (Eurasian Physical Technical Journal, 2024)
      This study aimed to elucidate the formation mechanisms of micro-macrostructural heterogeneities in the ingot's cortical zone and their transformation into surface defects during heating, plastic deformation, and rolling processes. The methodology and results of studying the macro- and microstructural and chemical heterogeneities of ingots and finished rolled sheets are ...
      2026-03-30
    • Plants, Microorganisms and Their Metabolites in Supporting Asbestos Detoxification—A Biological Perspective in Asbestos Treatment 

      Łuniewski, Stanisław; Rogowska, Weronika; Łozowicka, Bozena; Iwaniuk, Piotr (Materials, 2024)
      Many countries banned asbestos due to its toxicity, but considering its colossal use, especially in the 1960s and 1970s, disposing of waste containing asbestos is the current problem. Today, many asbestos disposal technologies are known, but they usually involve colossal investment and operating expenses, and the end- and by-products of these methods negatively impact the ...
      2026-03-30
    • Parameter-Free Calculation for the Optical Bandgap Energies of InGaAlN 

      Matsuoka, Takashi; Kawazoe, Yoshiyuki; Inerbaev, Talgat M. (Physica Status Solidi (B): Basic Research, 2025)
      The accurate prediction of bandgap energy Eg is crucial for the future development of semiconductors. Ab initio simulation studies have been undertaken to unravel the intricacies of compound semiconductors. However, traditional density functional theory estimates Eg to be mostly 30–50% smaller than experimental values. To reconcile these disparities, fitting parameters such as U ...
      2026-03-30
    • Photoconductivity in or oconductivity in organic phot ganic phototransistors and phot ors and photoresistors based on thin films of polymer materials 

      Salikhov, R.B.; Ostaltsova, A.D.; Salikhov, T.R.; Balapanov, M.Kh.; Kubenova, M.M. (Eurasian Journal of Physics and Functional Materials, 2024)
      Organic phototransistors and photoresistors may become key devices in photonics and optoelectronics in the near future, providing high sensitivity and controllability in response to light signals. Their operating principle is based on the conversion of light energy into electrical signals, which makes them indispensable in various applications, including sensors, solar cells ...
      2026-03-30
    • Phenomenology of axionic static neutron stars with masses in the mass-gap region 

      Oikonomou, V.K. (Classical and Quantum Gravity, 2024)
      In this work we consider an axionic scalar-tensor theory of gravity and its effects on static neutron stars (NSs). The axionic theory is considered in the regime in which the axion oscillates around its potential minimum, which cosmologically occurs post-inflationary, when the Hubble rate is of the same order as the axion mass. We construct the Tolman-Oppenheimer-Volkoff equations ...
      2026-03-30
    • Phase structure of charged AdS black holes surrounded by exotic fluid with modified Chaplygin equation of state 

      Sekhmani, Y.; Rayimbaev, J.; Luciano, G. G.; Myrzakulov, R.; Gogoi, D. J. (European Physical Journal C, 2024)
      By considering the concept of the modified Chaplygin gas (MCG) as a single fluid model unifying dark energy and dark matter, we construct a static, spherically charged black hole (BH) solution in the framework of General Relativity. The P–V criticality of the charged anti-de Sitter (AdS) BH with a surrounding MCG is explored in the context of the extended phase space, where the ...
      2026-03-30
    • Phase structures and critical behavior of rational non-linear electrodynamics Anti de Sitter black holes in Rastall gravity 

      Sekhmani, Yassine; Gogoi, Dhruba Jyoti; Myrzakulov, Ratbay; Rayimbaev, Javlon (Communications in Theoretical Physics, 2024)
      This research paper presents a black hole solution with a rational nonlinear electrodynamics source within the Rastall gravity framework. The paper analyzes the thermodynamic properties of the solution in normal phase space and explores its critical behavior. The phase structure is examined using the extended first law of thermodynamics, with the cosmological constant Λ serving ...
      2026-03-30
    • Optimizing membrane reactor structures for enhanced hydrogen yield in CH4 tri-reforming: Insights from sensitivity analysis and machine learning approaches 

      Nasrabadi, Mohammadali; Anggono, Agus Dwi; Lidia, Sergeevna Budovich; Abdullaev, Sherzod; Opakhai, Serikzhan (International Journal of Thermofluids, 2024)
      This study explores the optimization of membrane reactor configurations to enhance hydrogen production through CH4 tri-reforming. The investigation employs ceramic membranes for oxygen, vapor, and carbon dioxide distribution within the reactor bed. A differential evolution algorithm is utilized alongside cuckoo search al gorithm (CSA) and support vector regression (SVR) to ...
      2026-03-30