Search Results - "Stepanov, P. S."
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ZnO Luminescence and scintillation studied via photoexcitation, X-ray excitation and gamma-induced positron spectroscopy
Published in Scientific reports (23-08-2016)“…The luminescence and scintillation properties of ZnO single crystals were studied by photoluminescence and X-ray-induced luminescence (XRIL) techniques. XRIL…”
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Positronium in Biosystems and Medicine: A New Approach to Tumor Diagnostics Based on Correlation between Oxygenation of Tissues and Lifetime of the Positronium Atom
Published in Physics of wave phenomena (01-04-2021)“…Current trends in development of positron annihilation tomography (change-over to total body tomography, new image reconstruction methods based on…”
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Modeling of Artificial Ground Freezing Using a Meshfree Multiscale Method
Published in Lobachevskii journal of mathematics (01-03-2023)“…Northern territory development has a variety of distinct characteristics as a result of harsh climatic circumstances and the existence of thick permafrost. The…”
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Multiscale model reduction for a thermoelastic model with phase change using a generalized multiscale finite-element method
Published in Theoretical and mathematical physics (2022)“…The development of the cryolithozone requires building and numerically implementing mathematical models of multiphysics thermoelastic processes involving with…”
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Cadmium Vapor Concentration and Lifetime of the Upper Active Level of a He–Cd Nuclear-Pumped Laser at the 5s22D5/2–5p2P3/2 Cd II Transition
Published in Optics and spectroscopy (2021)“…A technique for measuring the cadmium atomic concentration in a He–Cd nuclear-pumped laser at the cadmium ion transition with a wavelength of 0.441 µm is…”
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Computational Implementation of a Mixed-Dimensional Model of Heat Transfer in the Soil–Pipe System in Cryolithic Zone
Published in Computational mathematics and mathematical physics (01-12-2021)“…A mathematical model of heat transfer between the permafrost foundation of a building with a system of freezing pipes and atmospheric air is constructed and…”
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Transport Accessibility as an Indicator of Regional Development
Published in Studies on Russian economic development (01-11-2019)“…— The article examines the factors determining the transport accessibility of territories, as well as provides a brief overview of possible approaches to the…”
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Enhancement of the Strength and the Corrosion Resistance of a PT-7M Titanium Alloy Using Rotary Forging
Published in Russian metallurgy Metally (01-05-2021)“…The effect of severe plastic deformation by rotary forging on the mechanical properties and the corrosion resistance of a pseudo-α-titanium PT-7M alloy is…”
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Numerical simulation of the temperature dynamics of railway foundation material in permafrost
Published in Mathematical models and computer simulations (01-05-2017)“…The paper is devoted to problems of the numerical simulation of the temperature regime dynamics of railway ground bases in permafrost. It provides the…”
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The use of positron spectroscopy for revealing the nanosized structures in liquid mixtures. Identification of n-propanol nanoagglomerates in aqueous solutions
Published in Russian Journal of Physical Chemistry A (01-04-2014)“…The potential of positron spectroscopy for identification of nanosized structures in liquid mixtures, which is a difficult problem that still remains a…”
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Partial learning using partially explicit discretization for multicontinuum/multiscale problems with limited observation: Language interactions simulation
Published in Journal of computational and applied mathematics (01-06-2023)“…In this paper, we propose a new mathematical model of language interactions considering bilingualism. We assume diffusive and convective language spreads with…”
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Numerical simulation of language interactions using online coupled Generalized Multiscale Finite Element Method
Published in Journal of computational and applied mathematics (15-05-2023)“…In this paper, we present a new mathematical model of the interaction of two languages. In the model, we distinguish percentages of people who speak a…”
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Cadmium Vapor Concentration and Lifetime of the Upper Active Level of a He–Cd Nuclear-Pumped Laser at the 5s2 2D5/2–5p2P3/2 Cd II Transition
Published in Optics and spectroscopy (01-03-2021)Get full text
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Characteristics of the Active Element of a Nuclear-Pumped Cadmium-Vapor Laser
Published in Atomic energy (New York, N.Y.) (2020)“…The influence of the active-element characteristics on the efficiency of a cadmium-vapor laser pumped by uranium fission fragments was studied experimentally…”
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Track Effects in Positronium Formation
Published in Acta physica Polonica, A (01-11-2017)Get full text
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Application of Positron Spectroscopy for the Detection of Nanostructures in Water-Alcohol Mixtures
Published in Acta physica Polonica, A (01-03-2014)Get full text
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Positrons and Positronium Atoms in a Condensed Phase Close to Its Melting Point
Published in Acta physica Polonica, A (01-03-2014)Get full text
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Considerations on social hygiene
Published in Sovetskoe zdravookhranenie (1959)Get more information
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The anatomy and topography of the lymphoid formations of the human stomach in postnatal ontogeny
Published in Arkhiv anatomii, gistologii i embriologii (01-05-1991)“…By means of macro-microscopical methods 80 stomachs from persons of various age have been studied. In the mucous membrane of the human stomach during all age…”
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