Search Results - "V. S. Stepanov"

Positronium in Biosystems and Medicine: A New Approach to Tumor Diagnostics Based on Correlation between Oxygenation of Tissues and Lifetime of the Positronium Atom by Stepanov, S. V., Byakov, V. M., Stepanov, P. S.

“…Current trends in development of positron annihilation tomography (change-over to total body tomography, new image reconstruction methods based on…”
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The Effect of the Spin-Polarized Current on the Dynamics and Structural Changes of Magnetic Vortices in a Large-Diameter Three-Layer Conducting Nanocylinder by Ekomasov, E. G., Stepanov, S. V., Zvezdin, K. A., Pugach, N. G., Antonov, G. I.

“…The structure and magnetization dynamics are investigated in a vortex spin-transfer nanooscillator, which is a three-layer spin-valve magnetic nanocolumn with…”
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Determination of Physicochemical Forms of Iodine-131 in Ejector Gases during Operation of the Industrial Reactor Facility at FSUE Mayak Production Association by Nikitenko, E. I., Romadov, N. N., Zanora, Yu. A., Stepanov, S. V., Pashkovskiy, R. V.

“…On the basis of the recommendations of the IAEA and the requirements of domestic regulatory documents, a study is conducted to determine the activity of…”
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Estimation of the Thickness of Ice Melting Front by Studying the Kinetics of Ice Ball Melting in Air by Stepanov, I. S., Budaeva, L. I., Stepanov, S. V.

“…Ice melting front thickness has been estimated by studying the kinetics of thawed water accumulation during melting of ice balls with different sizes at room…”
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The 2405 Ma and 2310 Ma Mafic Dyke Swarms in the Karelian Craton: Age, Chemical and Sr-Nd Isotope Composition, and Tectonic Setting by Stepanova, A.V., Salnikova, E.B., Samsonov, A.V., Larionova, Yu.O., Egorova, S.V., Stepanov, V.S.

“…<正>Until recently the time period 2400-2200 Ma in the Erath history was characterized by low amount of age data for igneous events,and was even…”
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Formation of Positronium Atom in Molecular Media. Determination of Carcinogenic and Anticarcinogenic Properties of Chemical Compounds by Byakov, V. M., Stepanov, S. V.

“…Chemical carcinogens are known to be one of the main causes of cancer. The review considers the biological and physicochemical methods for determining the…”
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Cluster Capillary Core Model for the Calculation of the Relative Phase Permeability for Oil and Water Filtration by Zagorovskiy, M. A., Shabarov, A. B., Stepanov, S. V.

“…This article describes a physical and mathematical model of the steady-state flow of an oil and water mixture in the pore space of a core, represented as a set…”
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The Archean of the Baltic Shield: Geology, Geochronology, and Geodynamic settings by Slabunov, AI, Lobach-Zhuchenko, S B, Bibikova, E V, Balagansky, V V, Sorjonen-Ward, P, Volodichev, OI, Shchipansky, A A, Svetov, SA, Chekulaev, V P, Arestova, NA, Stepanov, V S

“…The Archean provinces and lithotectonic complexes of the Baltic (Fennoscandian) Shield are considered. The supracrustal complexes are classified by age: <3.2,…”
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Development of the Material Balance Model to Account for Changes in the Well Productivity Index by Shevtsov, N. O., Stepanov, S. V.

“…The material balance model in the form of an analytical capacitive-resistive model (CRM) is increasingly used for the mathematical modeling of oil fields’…”
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Increasing the Reliability of Well Interaction Modeling for the Analysis of the Efficiency of the Flooding System by Tyrsin, A. N., Stepanov, S. V., Ruchkin, A. A., Beckman, A. D.

“…At present, to analyze the efficiency of the oil field flooding system, proxy models of the capacitance–resistive model (CRM) family are actively used:…”
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Positronium Annihilation in Freshly Defrosted Thawed Water by Zemskaya, L. I., Ilyukhina, O. V., Karpov, M. V., Stepanov, S. V.

“…Variation in the parameters of the positron annihilation lifetime spectra in pure water presubjected to freeze–thaw processes is studied. It is shown that in…”
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SVBR-100 module-type fast reactor of the IV generation for regional power industry by Zrodnikov, A.V., Toshinsky, G.I., Komlev, O.G., Stepanov, V.S., Klimov, N.N.

“…In the report the following is presented: basic conceptual provisions of the innovative nuclear power technology (NPT) based on modular fast reactors (FR)…”
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Lessons learned from the experience of operating lead-bismuth nuclear power reactors by Troyanov, V. M., Vasilenko, V. A., Kolik, M. V., Stepanov, V. S., Toshinsky, G. I.

“…The paper analyses accidents and emergencies that occurred at reactor plants having a lead-bismuth eutectic (LBE) located in nuclear submarines and prototype…”
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Unsteady heat and mass transfer for water-oil mixtures in a system of horizontal wells by Zhizhimontov, I. N., Shabarov, A. B., Stepanov, S. V.

“…The paper presents the description and results for computational-and-parametric study for the simulation of heat and mass transfer for an water-oil mixture…”
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Bookselling at Northwest Russia in the XIX - early XX centuries (on materials of Saint-Petersburg Province) by Stepanov, S. V.

“…The article traces the geographical distribution and bookselling establishments in Saint-Petersburg Province (now Leningrad region) based on unpublished…”
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Joint Effect of a Magnetic Field and a Spin-Polarized Current on the Coupled Dynamics of Magnetic Vortices in a Spin-Transfer Nano-Oscillator by Ekomasov, E. G., Stepanov, S. V., Nazarov, V. N., Zvezdin, K. A., Pugach, N. G., Antonov, G. I.

“…The joint effect of a spin-polarized current and an external magnetic field on the magnetization dynamics in vortex spin-transfer nano-oscillators 400 nm in…”
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Possibilities of entomological drugs in the symptomatic and pathogenetic therapy of benign prostatic hyperplasia and chronic abacterial prostatitis by Kadyrov, Z. A., Stepanov, V. S., Faniev, M. V.

“…The review article is devoted to the analysis of clinical and experimental studies on the main mechanisms of action and clinical effects of entomological…”
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А History of Coronitic Metagabbronorites in the Belomorian Province, Fennoscandian Shield: U-Pb (CA-ID-TIMS) Dating of Zircon–Baddeleyite Aggregates by Salnikova, E. B., Stepanova, A. V., Azimov, P. Ya, Sukhanova, M. A., Kotov, A. B., Egorova, S. V., Plotkina, Yu. V., Tolmacheva, E. V., Kervinen, A. V., Rodionov, N. V., Stepanov, V. S.

“…The estimation of crystallization and metamorphic reworking ages of mafic rocks in the polycyclic Precambrian areas is a difficult problem. Magmatic…”
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Mafic Intrusions of ca. 2400 Ма Large Igneous Province in the Belomorian Mobile Belt: First Baddeleyite U–Pb ID-TIMS Data by Stepanova, A. V., Salnikova, E. B., Samsonov, A. V., Egorova, S. V., Stepanov, V. S.

“…U–Pb ID-TIMS dating of igneous baddeleyite from metamorphosed coronitic gabbronorites in the сentral part of the Belomorian mobile belt, Fennoscandian shield…”
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Statistical analysis of measurement results in multiwavelength pyrometry by Stepanov, S. V., Sheindlin, M. A.

“…The reduction procedure to the linear form of a nonlinear regression model describing the results of measurement of the radiation intensity by polychromatic…”
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