27 Result(s)

Article

Solution of the Problem of Classification of Hydroacoustic Signals Based on Harmonious Wavelets and Machine Learning

Two types of real hydroacoustic signals of whales are classified based on the harmonic wavelet transform (HWT) coefficients (fast implementation), windowed Fourier transform (FT) (spectrogram), and conventiona...

D. M. Klionskii, D. I. Kaplun, A. S. Voznesensky… in Pattern Recognition and Image Analysis (2020)

Article

Electromagnetic Metal Level Sensor in a Billet Mold

A new electromagnetic metal level sensor for a billet mold is considered in comparison with radioisotope level sensor. Comparative characteristics of the sensors in the process of casting with oil were obtaine...

I. V. Terekhin, S. A. Romanov, I. S. Savin in Metallurgist (2018)

Article

Detection of DNA molecules in a lipid nanotube channel in the low ion strength conditions

Investigation of the transport phenomena in the nanoscopic channels/pores with the diameter smaller than 100 nm is of utmost importance for various biological, medical, and technical applications. Presently, t...

K. V. Chekashkina, T. R. Galimzyanov… in Biochemistry (Moscow), Supplement Series A… (2017)

Article

Magnetic turbulence in the cusp region: 3D spectra and vortex cascades

Cluster satellite measurements that were carried out in the region of the altitudinal cusp in the Earth’s magnetosphere and adjacent regions were processed to yield the dynamic pattern of the 3D spectra of mag...

S. A. Romanov in Geomagnetism and Aeronomy (2013)

Article

Empirical power law for magnetic turbulence spectra of an anisotropic plasma

Three-dimensional dynamic distributions of oscillations of the magnetic field over wave vectors k have been obtained from the plasma and magnetic measurements on four satellites in the Cluster experiment in a tur...

S. A. Romanov, S. I. Klimov, S. P. Savin in JETP Letters (2013)

Article

Hybrid machining in the creation of specified residual stress in the surface layer

E. S. Kiselev, E. N. Leksin, S. A. Romanov… in Russian Engineering Research (2012)

Article

An unusual mechanism of polymerization of MMA initiated by ammonia-triisobutyl borane and atmospheric oxygen

The kinetics of polymerization of methyl methacrylate in vacuum initiated by ammonia-triisobutyl borane (iso-Bu₃B · NH₃) oxidized in air is studied. It is shown that the rate of reaction shows the first order wit...

M. Yu. Zaremski, D. V. Budanov, S. A. Romanov, A. V. Plutalova… in Polymer Science Series B (2011)

Article

A brief analysis of the domestic tourist travel market

This paper attempts to explain the causes of the insufficient development of the tourist industry in Russia. It analyzes one of the tourist market segments—the system of domestic tourist travel. The study is b...

S. A. Romanov in Studies on Russian Economic Development (2009)

Article

Finding the dispersion of low-frequency waves in cosmic plasma from the results of multi-satellite measurements

An improved method of analysis of low-frequency wave processes in the interplanetary plasma using the results of multi-satellite measurements is presented. The new method develops the phase difference method a...

S. A. Romanov in Cosmic Research (2008)

Article

On finding polarization parameters of low-frequency plasma waves

S. A. Romanov in Cosmic Research (2007)

Article

Strong space plasma magnetic barriers and Alfvénic collapse

High-magnitude magnetic barriers in space and solar plasma are proposed to be attributed to the pile up of magnetic field lines and their Alfvénic collapse for MHD flows. The analysis of experimental data from...

E. A. Kuznetsov, S. P. Savin, E. Amata, M. Dunlop, Y. Khotyaintsev… in JETP Letters (2007)

Article

Lung cancer in Mayak workers: interaction of smoking and plutonium exposure

Lung cancer mortality among 5058 male workers of the Mayak Production Association has been analyzed with emphasis on the interaction of smoking and radiation exposure by using the two-step clonal expansion (TS...

V. Jacob, P. Jacob, R. Meckbach, S. A. Romanov… in Radiation and Environmental Biophysics (2005)

Article

A Magnetospheric Substorm and the Motion of the Magnetopause

Using a single event as an example, we make an analysis of the time development of a substorm and estimate its influence on the motion of the low-latitude boundary of the magnetosphere. To this end, we compare...

N. S. Nikolaeva, V. A. Parkhomov, N. L. Borodkova, S. I. Klimov… in Cosmic Research (2005)

Article

Calculations of the Energies of the Excited States of Open-Shell Atoms in the Hartree-Fock Approximation

In the framework of the Roothaan-Hartree-Fock atomic theory, the solution of a many-electron problem is considered on the basis of the methods of minimizing a function of many variables. To implement this appr...

Yu. B. Malykhanov, S. A. Romanov in Journal of Applied Spectroscopy (2005)

Article

Application of minimization methods in calculating atoms with several open shells

Basing on minimization methods, earlier suggested algorithms for the solution of a many-electron problem in Hartree-Fock-Roothaan approximation for systems with close and open shells extend over Roothaan-Hartr...

Yu. B. Malykhanov, S. A. Romanov in Journal of Structural Chemistry (2005)

Article

Multidimensional Statistical Analysis of the Concentration of Heavy Metals and Radionuclides in Moss and Soil in Southern Urals

Moss (Hylocomium splendens and Pleurozium schreberi) and soil samples collected in 1997–2001 are used to study the atmospheric fallout of heavy metals and radionucildes in the Southern Urals. Epithermal neutro...

L. I. Smirnov, M. V. Frontas'eva, E. Steinnes, S. M. Lyapunov… in Atomic Energy (2004)

Article

Dynamic interaction of plasma flow with the hot boundary layer of a geomagnetic trap

The study of the interaction between collisionless plasma flow and stagnant plasma revealed the presence of an outer boundary layer at the border of a geomagnetic trap, where the super-Alfvén subsonic laminar ...

S. P. Savin, L. M. Zelenyi, E. Amata… in Journal of Experimental and Theoretical Ph… (2004)

Article

Turbulent boundary layer at the border of geomagnetic trap

A new phenomenon was discovered on the basis of analysis of the Interball project data. A hot plasma flow is thermalized through the formation of “long-operating” vortex streets and local discontinuities and s...

S. P. Savin, L. M. Zelenyi, S. A. Romanov… in Journal of Experimental and Theoretical Ph… (2001)

Chapter

⁹⁰Sr And ¹³⁷Cs Activity in Surface Soil Samples from Some Areas Affected by the “mayak” Plutonium Production Association

This paper contains the results from measurements of ⁹⁰Sr and ¹³⁷Cs in samples of surface soil collected in 1998 beyond the Eastern Ural Radioactive Trace (EURT) in the northern part of Chelyabinsk region. The sa...

M. V. Frontasyeva, L. I. Smirnov… in Radionuclides and Heavy Metals in Environm… (2001)