Search Results - "Ivanov, O. O."

Chain Formation and Phase Separation in Ferrofluids: The Influence on Viscous Properties by Ivanov, Alexey O., Zubarev, Andrey

“…Ferrofluids have attracted considerable interest from researchers and engineers due to their rich set of unique physical properties that are valuable for many…”
Get full text

A New Phoebodontid Shark from the Devonian of the Urals and the Distribution of Phoebodus Species by Ivanov, A. O.

“…A new species, Phoebodus curvatus from the Middle and Upper Devonian of the Middle and South Urals is described. The teeth of the new species differ from the…”
Get full text

Temperature evolution of transverse magnetoresistance due to forming the topological insulator state in single-crystalline n-type Bi2Te2.7Se0.3 by Ivanov, O, Yaprintsev, M, Yaprintseva, E, Nickulicheva, T, Vasil’ev, A

Get full text

Topological insulator behavior in low-temperature electrical resistivity of the high-entropy single-crystalline thick-filmed (Bi2/3Sb1/3)2 (Te2/5Se2/5S1/5)3 alloy by Ivanov, O, Yaprintsev, M, Yaprintseva, E, Nickulicheva, T, Vasil’ev, A

“…Abstract High-entropy (Bi 2/3 Sb 1/3 ) 2 (Te 2/5 Se 2/5 S 1/5 ) 3 alloy has been for the first time prepared by the self-propagating high-temperature…”
Get full text

Mode Interaction in a Structure Based on Optical Fiber with Depressed Inner Cladding by Ivanov, O. V.

“…The paper presents the results of studies of a fiber-optic structure whose principle of operation is based on the transformation of the core and cladding modes…”
Get full text

Dysprosium-Doping Influence on the Microstructure and Texturing of Bismuth-Telluride Thermoelectric Materials by Yaprintsev, M. N., Ivanov, O. N.

“…The preparation and identification of microstructure features as well as the texturing of the thermoelectric material Bi 2 Te 2.7 Se 0.3 doped with dysprosium…”
Get full text

Effect of the Spark-Plasma-Sintering Temperature on the Structure, Crystallographic Texture, and Thermoelectric Properties of Materials Based on One-Dimensional Particles of Bi2Te2.7Se0.3 by Yapryntsev, M N, Ivanov, O N

“…In this work we obtain and certify one-dimensional particles of the composition Bi2Te2.7Se0.3 of submicron size with an atypical growth direction. Further, the…”
Get full text

Synthesis, Structure, and Thermoelectric Properties of Holmium-Doped Nanomaterials Based on Bismuth Telluride by Yapryntsev, M N, Ivanov, O N

“…Powdered thermoelectric materials Bi2–xHoxTe2.7Se0.3 (x = 0, 0.001, 0.0025, 0.005, 0.01, and 0.02) are obtained by the method of solvothermal synthesis. The…”
Get full text

Optimization of an Ecr Ion Source Beam Extraction and Formation System by Dmitriev, M. S., D’yakonov, M. V., Ivanov, O. A., Krasnov, A. S.

“…This article describes the development of an ion beam extraction and formation system with longitudinal travel of the electrode system with respect to the…”
Get full text

Patterns of the Effect of the Temperature of Spark Plasma Sintering on the Microstructure of Thermoelectric Composites Based on the Matrix of Bi2Te2.1Se0.9Bi2 with Cobalt Inclusions by Zhezhu, M., Vasil’ev, A. E., Ivanov, O. N.

“…A study is performed of the effect the temperature of spark plasma sintering has on the formation of Co filler particles in the matrix of Bi 2 Te 2.1 Se 0.9 …”
Get full text

Effect of Microstructure on the Thermoelectromotive Force of a Thermoelectric Composite of the Bi2Te3 (Matrix) + xNi (Filler) System by Zhezhu, M., Vasil’ev, A. E., Ivanov, O. N.

“…Patterns are found in the effect the content of a ferromagnetic filler has on features of the microstructure of Ni core–shell NiTe 2 inclusions, changes in the…”
Get full text

Quasi-Diffusion Separation Activation of Shear Deformations in a Fast Gravitational Granular Material Flow by Dolgunin, V. N., Ivanov, O. O., Kudi, K. A.

“…The paper presents the results of a study of the effects of separation of spherical particles with different densities in a fast gravitational flow on a rough…”
Get full text

Sharkovskii’s Ordering and Estimates of the Number of Periodic Trajectories of Given Period of a Self-Map of an Interval by Ivanov, O. A.

“…In 1964, A. N. Sharkovskii published a paper in which he introduced an ordering relation on the set of positive integers. His ordering had the property that if…”
Get full text

The Importance of Fish Species in Bottom and Near-Bottom Biotopes of the Far Eastern Seas and Pacific Waters of Russia by Ivanov, O. A., Shuntov, V. P.

“…The importance of fish species in ichthyocenes of the benthic zone (up to a depth of 2000 m) in the Russian part of the Far Eastern seas and adjacent waters of…”
Get full text

An Estimate for the Number of Periodical Trajectories of the Given Period for Mapping of an Interval, Lucas Numbers, and Necklaces by Ivanov, O. A.

“…In 1964, A.N. Sharkovskii published an article in which he introduced a special ordering on the set of positive integers. This ordering has the property that…”
Get full text

COVID-19 in Children: Molecular Profile and Pathological Features by Nasyrov, Ruslan A, Ivanov, Dmitry O, Krasnogorskaya, Olga L, Timchenko, Vladimir N, Fedotova, Elena P, Chepelev, Alexander S, Galichina, Veronika A, Sidorova, Nadezhda A, Anichkov, Nikolai M

“…Although the World Health Organization has declared the end of the COVID-19 pandemic, doctors continue to register new cases of the disease among both adults…”
Get full text

Generalized Solutions of the First Boundary Value Problem for a Differential–Difference Equation in Divergence Form on a Finite Interval by Skubachevskii, A. L., Ivanov, N. O.

“…We consider the Dirichlet problem for a second-order differential–difference equation in divergence form with variable coefficients on a finite interval …”
Get full text

Dielectric properties of ceramic 0.5Y0.1Zr0.9O2 - 0.5(0.6SrTiO3 - 0.4BiScO3) system by Ivanov, O. N., Danshina, E. P.

“…Ceramic samples of the ternary 0.5Y 0.1 Zr 0.9 O 2 − 0.5(0.6SrTiO 3 − 0.4BiScO 3 ) system consisting of the individual Y 0.1 Zr 0.9 O 2 and 0.6SrTiO 3 −…”
Get full text

Individual behaviour self-regulation and emotional reactions among patients living with HIV during the second wave of the new coronavirus pandemic in Russia by Rozhdestvenskiy, V. I., Titova, V. V., Gorkovaya, I. A., Ivanov, D. O., Aleksandrovich, Y. S.

“…Introduction During the COVID-19 pandemic, the need to adapt to rapidly changing external conditions has increased dramatically. Predictors of successful…”
Get full text

Relationship between life quality and emotional status among patients living with HIV during the second wave of the COVID-19 pandemic in Russia by Titova, V. V., Rozhdestvenskiy, V. I., Gorkovaya, I. A., Ivanov, D. O., Aleksandrovich, Y. S.

“…Introduction Different areas of life quality are associated with emotional status. In pandemic conditions, the index of life quality may contribute to…”
Get full text