Search Results - "Leonteva, A. V."

Quasiharmonic longitudinal wave propagating in a Mindlin–Herrmann rod in a nonlinearly elastic environment by Erofeev, V. I., Leont’eva, A. V.

“…We consider the modulation instability of quasiharmonic longitudinal waves propagating in a homogeneous rod immersed in a nonlinearly elastic medium. The…”
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Anharmonic Waves in a Mindlin–Herrmann Rod Immersed in a Nonlinearly Elastic Medium by Erofeev, V. I., Leonteva, A. V.

“…Propagation of longitudinal waves in a Mindlin–Herrmann rod immersed in a nonlinearly elastic medium is studied. Various options of the stiffness ratio of the…”
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Influence of Material Damage on the Rayleigh Wave Propagation along Half-Space Boundary by Antonov, A. M., Erofeev, V. I., Leonteva, A. V.

“…— At present, mechanics of damage media, which studies both the stress–strain state of media and the damage accumulation in materials, is being actively…”
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Propagation of Bending Waves in a Beam the Material of Which Accumulates Damage During Its Operation by Brikkel, D. M., Erofeev, V. I., Leonteva, A. V.

“…A self-consistent mathematical model is stated in linear and nonlinear formulations, which includes the equation of bending vibrations of a beam and the…”
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Effect of Defects on the Spatial Localization of Nonlinear Acoustic Waves by Erofeev, V. I., Leonteva, A. V., Malhanov, A. O.

“…A self-consistent mathematical model that includes equations of elasticity theory and kinetic equations for the density of different types of point defects is…”
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Elastic Waves in a Thermoelastic Medium with Point Defects by Erofeev, V. I., Leont’eva, A. V., Shekoyan, A. V.

“…The propagation of plane longitudinal waves in an infinite medium with point defects has been investigated. The medium is assumed to be placed in a…”
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High-Temperature Quantum–Classical Transition in Solid Methane by Zakharov, A. Yu, Leont’eva, A. V., Prokhorov, A. Yu, Erenburg, A. I.

“…Some experimental studies have reported that physical properties of solid methane exhibit a number of anomalies in the temperature interval between 0.5 T tr…”
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Nonlinear Plane Waves Localized in a Porous Medium with Hollows Filled with a Liquid by Aizikovich, S. M., Erofeev, V. I., Leont’eva, A. V.

“…The propagation of periodic (cnoidal) longitudinal plane waves and solitons in a porous medium with hollows filled with a liquid was investigated on the…”
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Riemann and Shock Waves in a Porous Liquid-Saturated Geometrically Nonlinear Medium by Erofeev, V. I., Leont’eva, A. V.

“…Within the framework of the classical Biot theory, the propagation of plane longitudinal waves in a porous liquidsaturated medium is considered with account…”
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The microbiome of oral cavity patients with periodontitis, adhesive and biofilm forming properties by Chervinets, V M, Chervinets, Yu V, Leont'eva, A V, Kozlova, E A, Stulov, N M, Belyaev, V S, Grigoryants, E O, Mironov, A Yu

“…The microbiome of oral cavity in healthy people and patients with periodontitis was analyzed to determine their adhesive properties and the ability to form…”
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Anomalous properties of crystalline methane in the range of 60–70 K by Zakharov, A. Yu, Leont’eva, A. V., Prokhorov, A. Yu, Erenburg, A. I.

“…Mechanical, structural, thermal, and spectral properties of solid methane in the temperature range 0.5 T tr - T tr ( T tr is the triple point) at the…”
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Impact-load damping by integral hydraulic bearings by Gordeev, B. A., Leont’eva, A. V., Plekhov, A. S., Gordeev, A. B.

“…To reduce vibration and impact loads, a gas–hydraulic damper is proposed. Its working element is a magnetic rheological liquid…”
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Operation of two induction motors on a dissipative elastic base by Gordeev, B. A., Leont’eva, A. V.

“…The motion of two unbalanced rotors on a dissipative elastic base is investigated. The conditions corresponding to steady synchronization are determined, as…”
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Synchronization of two motors on an elastic base by Gordeev, B. A., Leont’eva, A. V., Osmekhin, A. N., Okhulkov, S. N., Bugaiskii, V. V.

“…Effects associated with the synchronization of two motors on an elastic base are investigated. Spectral analysis reveals informative harmonics that permit…”
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Rotor synchronization of two motors on an elastic base by Gordeev, B. A., Kovrigin, D. A., Leont’eva, A. V.

“…Hydraulic bearings may be used to reduce the vibration and noise levels of induction motors, as well as their energy consumption…”
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Comparative characteristics of carotid atherosclerosis in patients with hypertension concurrent with chronic coronary heart disease among the indigenous and non-indigenous population of the Yamal-Nenets Autonomic District by Gapon, L I, Sereda, T V, Leont'eva, A V, Gyl'tiaeva, E P

“…To evaluate the degree of carotid artery (CA) atherosclerotic lesion and lipid metabolic disturbances in patients with hypertension and in those with…”
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Results of duplex scanning of brachiocephalic arteries and estimation of the lipid spectrum in coronary heart disease and arterial hypertension in indigenous and alien population of Yamalo-Nenetsky Autonomous District by Gapon, L I, Sereda, T V, Leont'eva, A V, Gul'tiaeva, E P

“…The work aimed at studying atherosclerotic lesions in brachiocephalic arteries and lipid spectrum in coronary heart disease (CHD) and arterial hypertension…”
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Comparative characteristics of 24-hour blood pressure profile and heart rate variability in indigenous and non-indigenous patients with chronic coronary heart disease and hypertension from the Yamal-Nenets Autonomic District by Gapon, L I, Sereda, T V, Leont'eva, A V, Gul'atiaeva, E P

“…To investigate the specific features of a 24-hour blood pressure (BP) profile and heart rate variability (HRV) in the indigenous peoples (Nenets, Khanty,…”
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What contributes to the transformation of Helicobacter pylori from symbiont into the etiopathogenetical factor of duodenal ulcer? by Volkov, V S, Kolesnikova, I Iu, Leont'eva, V A, Smirnova, A A

“…The aim was to study the relationship duodenogastral reflux (DGR) and Helicobacterpylori infection (Hp) at duodenal ulcer (DU). Group 1-50 patients with…”
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Low-frequency internal friction (LFIF) as express-method for identification of cryocrystals in pores of the solids by Erenburg, A. I, Zakharov, A. Yu, Leont'eva, A. V, Prokhorov, A. Yu

“…We show that studying of low-frequency internal friction (LFIF) of solid samples at low temperatures allows determining the presence of various gases absorbed,…”
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