Search Results - "A. S. Demidov"
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Using Dispersed Gas Fluid Flow for Cooling of Energy Stressed Elements of Tokamak Structure
Published in Physics of atomic nuclei (01-12-2022)“…Selection of the cooling method for energy stressed elements, such as the divertor, limiter, and blanket, upon impact of powerful heat flows is an important…”
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2
On Numerically Implementable Explicit Formulas for the Solutions to the 2D and 3D Equations and with Cauchy Data on an Analytic Boundary
Published in Functional analysis and its applications (2021)“…A construction of numerically implementable explicit expressions for the solutions of the two- and three-dimensional equations and with Cauchy data on an…”
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Explicit Numerically Implementable Formulas for Poincaré–Steklov Operators
Published in Computational mathematics and mathematical physics (01-02-2024)“…The paper presents explicit numerically implementable formulas for the Poincaré–Steklov operators, such as the Dirichlet–Neumann, Dirichlet–Robin,…”
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4
Calculation of nth Derivative with Minimum Error Based on Function’s Measurement
Published in Computational mathematics and mathematical physics (01-09-2023)“…A solution of the problem that arises in all cases where it is required to approximately calculate the derivatives of an a priori smooth function by its…”
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The Inverse Problem of Magneto-Electroencephalography is Well-Posed: it has a Unique Solution that is Stable with Respect to Perturbations
Published in Journal of mathematical sciences (New York, N.Y.) (09-02-2020)“…Contrary to the opinion that has prevailed for the last several decades about the incorrectness of the inverse–MEEG problems (see, for example, the paper of D…”
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6
The Modern Russian Leader in the Representations of Civil Servants
Published in Upravlencheskoe konsulʹtirovanie (18-10-2023)“…The article analyzes the results of the study of the content and structure of public servants’ representations about the most characteristic personal and…”
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Assessment of the stress state of round and annular cross-section beams made with different tensile and compressive properties materials
Published in Космические аппараты и технологии (26-09-2022)“…At present, there is great interest in carbon-based materials. They have high thermomechanical properties and mass characteristics, are quite technologically…”
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8
Ion-Pair Chromatography for the Determination of Capreomycin Sulfate Components and Related Substances
Published in Vedomosti Naučnogo centra èkspertizy sredstv medicinskogo primeneniâ (Online) (01-07-2023)“…Chromatographic methods for the analysis of antibiotic degradation products are widely used to evaluate the quality of medicines. Natural multicomponent…”
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9
Evaluation of the Stress State of a Box Shell Made from Material with Different Tensile and Compressive Properties
Published in Russian aeronautics (01-04-2019)“…The reduced elastic constant, the displacement of the neutral line, moments and stresses are determined for a freely supported beam made of the material with…”
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10
Changes in the Structure and Properties Under Deformation of Austenitic-Ferritic Steel at Room and Negative Temperatures
Published in Metal science and heat treatment (01-03-2016)“…The effect of compressive, tensile, and impact deformation on the mechanical and physical properties of a complexly alloyed austenitic-ferritic steel for…”
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11
On Numerically Implementable Explicit Formulas for the Solutions to the 2D and 3D Equations $$\operatorname{div}(\alpha(w)\nabla w)=0$$ and $$\operatorname{div}(\beta\nabla w)=0$$ with Cauchy Data on an Analytic Boundary
Published in Functional analysis and its applications (01-01-2021)Get full text
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12
Surface Contamination of Some Materials of the Space Station ‘MIR’
Published in High performance polymers (01-12-2001)“…About 60 samples of various materials exposed to low Earth orbit (LEO) conditions for 997 days on board the orbital space station ‘Mir’ were investigated. The…”
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13
Analysis of the Effectiveness of Cooling a High-Temperature Surface with a Dispersed Coolant Flow
Published in Thermal engineering (01-09-2024)“…The results of practical work on cooling heated targets of research modules of various designs with a dispersed coolant flow are presented. A brief description…”
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14
Cooling a Surface Exposed to a High Thermal Load by a Dispersed Flow
Published in Physics of atomic nuclei (01-12-2023)“…The development of in-chamber elements of a tokamak thermonuclear reactor is associated with a large number of challenging engineering problems, one of which…”
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15
Schwartz Alternating Method for Elliptic Boundary-Value Problems Satisfying the Maximum Principle
Published in Mathematical Notes (01-09-2005)Get full text
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16
Extended depth of focus through imaging system’s phase apodization in coherent and incoherent cases
Published in Optical memory & neural networks (08-10-2014)“…Effects of image distorting factors in the form of wave aberrations in the coherent and incoherent cases are simulated. It is shown that the defocus can be…”
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17
The Vishik–Lyusternik Method and Two Problems in Magnetohydrodynamics for Plasma in a Tokamak
Published in Journal of mathematical sciences (New York, N.Y.) (04-03-2013)“…The Vishik–Lyusternik method for constructing asymptotics of solutions to singularly perturbed elliptic equations is applied to two problems in…”
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18
High-temperature creep tests on specimens of single-crystal molybdenum with a complex stressed state
Published in Strength of materials (01-07-1990)“…Previously abstracted from original as item 9111-31-4993. High-temperature (1550 deg C) creep tests are performed for tube thin-walled specimens of…”
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19
Inverse problem for the Grad-Shafranov equation with affine right-hand side
Published in Russian journal of mathematical physics (01-06-2010)“…For a given domain ω ⋐ ℝ 2 with boundary γ = ∂ω , we study the cardinality of the set of pairs of numbers ( a, b ) for which there is a function u = u ( a,b )…”
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20
Assessment of the strength reliability of high-temperature heat exchangers with long service life at the design stage
Published in Frattura ed integritá strutturale (01-01-2021)“…The article describes a method for assessing the strength reliability of high-temperature heat exchangers with service life of several tens of thousands of…”
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