Kazan state Federal University E-Archive

Machine learning methods in computational toxicology

Unknown author (2018)

© Springer Science+Business Media, LLC, part of Springer Nature 2018. Various methods of machine learning, supervised and unsupervised, linear and nonlinear, classification and regression, in combination with various types ...

Natural and Anthropogenic Changes in the Soils and Environment of the Moskva River Floodplain in the Holocene: Pedogenic, Palynological, and Anthracological Evidences

Unknown author (2018)

© 2018, Pleiades Publishing, Ltd. Several series of well-developed paleosols of different ages have been examined on the Moskva River floodplain. In the beginning of the Holocene, forest-steppe biomes were widespread in ...

Evaluation of Erosion Intensity and Dynamics Using Terrestrial Laser Scanning

Yermolaev O.; Gafurov A.; Usmanov B. (2018)

© 2018, Pleiades Publishing, Ltd. A new method of instrumental measurement of the intensity of rill and linear erosion on slopes by the method of terrestrial laser scanning is proposed. This method was tested on four plots ...

Contemporary Trend in Erosion of Arable Southern Chernozems (Haplic Chernozems Pachic) in the West of Orenburg Oblast (Russia)

Unknown author (2018)

© 2018, Pleiades Publishing, Ltd. The contemporary trend in the degradation of arable southern chernozems (Haplic Chernozems Pachic) in the steppe zone of south-eastern European Russia under the impact of water erosion has ...

Selection of a Geostatistical Method to Interpolate Soil Properties of the State Crop Testing Fields using Attributes of a Digital Terrain Model

Unknown author (2018)

© 2018, Pleiades Publishing, Ltd. The three most common techniques to interpolate soil properties at a field scale—ordinary kriging (OK), regression kriging with multiple linear regression drift model (RK + MLR), and ...

Modelling Thermal Diffusivity of Differently Textured Soils

Unknown author (2018)

© 2018, Pleiades Publishing, Ltd. A series of models has been proposed for estimating thermal diffusivity of soils at different water contents. Models have been trained on 49 soil samples with the texture range from sands ...

Assessment of reading difficulty levels in Russian academic texts: Approaches and metrics

Unknown author (2018)

© 2018 - IOS Press and the authors. All rights reserved In this paper we explore to what extent text parameters, such as average number of words per sentence, syllables per word, nouns per sentence, frequency of content ...

Fast radio bursts

Unknown author (2018)

© 2018 Uspekhi Fizicheskikh Nauk, Russian Academy of Sciences. First discovered in 2007, fast radio bursts (FRBs) are highly luminous (10-1-102 Jy), millisecond-scale, highly dispersive single radio pulses whose record ...

Formation of Porous Germanium Layers by Silver-Ion Implantation

Unknown author (2018)

© 2018, Pleiades Publishing, Ltd. We propose a method for the formation of porous germanium (P-Ge) layers containing silver nanoparticles by means of high-dose implantation of low-energy Ag+ ions into single-crystalline ...

Numerical Simulation of Temperature Fields in a Direct-Current Plasma Torch

Unknown author (2018)

© 2018, Pleiades Publishing, Ltd. Thermal characteristics of a direct-current plasma torch have been studied in the framework of numerical simulations of temperature fields in a plasma channel, cathode, and anode. It is ...

Formation Mechanism of Argon Clathrates with Carbon Dendrites

Unknown author (2018)

© 2018, Pleiades Publishing, Ltd. The formation mechanism of argon clathrates with carbon dendrites obtained in the plasma of an atmospheric-pressure gas discharge has been studied. It has been shown that the formation of ...

Discharge between Liquid Jet and Metallic Electrodes

Unknown author (2018)

© 2018, Pleiades Publishing, Ltd. Experimental investigation of the low-temperature plasma of a gas discharge initiated in an interelectrode gap where one electrode is a liquid jet cathode and the other is a metallic anode ...

Inhomogeneous Magnetic State of Се<inf>2</inf>Fe<inf>17</inf> Evidenced by Mössbauer Spectroscopy

Naumov S.; Serikov V.; Kleinerman N.; Kuchin A.; Mushnikov N.; Vagizov F. (2018)

© 2018, Pleiades Publishing, Ltd. A comparative analysis of the magnetic properties and Mössbauer spectra of two Ce2Fe17 samples prepared by different methods and demonstrating different magnetic behavior is carried out. ...

Superhyperfine Structure of the EPR Spectra of Nd<sup>3+</sup>Impurity Ions in Fluorite CaF<inf>2</inf>

Unknown author (2018)

© 2018, Pleiades Publishing, Ltd. EPR spectra of a CaF2single crystal that was grown from melt containing a small addition of NdF3were studied. Signals corresponding to tetragonal centers of Nd3+ions and cubic centers of ...

ESR and Mössbauer Spectroscopic Study of Sr-Doped Ytterbium Ferromanganites

Unknown author (2018)

© 2018, Pleiades Publishing, Ltd. In this paper, we have studied the crystal structure of strontium-substituted manganite and ytterbium ferromanganites Yb0.82Sr0.18Mn1 – xFexO3 (x = 0–0.2) by using X-ray diffraction analysis. ...

Mössbauer Studies of Core-Shell FeO/Fe<inf>3</inf>O<inf>4</inf> Nanoparticles

Unknown author (2018)

© 2018, Pleiades Publishing, Ltd. FeO/Fe3O4 nanoparticles were synthesized by thermal decomposition. Electron microscopy revealed that these nanoparticles were of the core-shell type and had a spherical shape with an average ...

Magnetic State of Quasiordered Fe–Al Alloys Doped with Ga and B: Magnetic Phase Separation and Spin Order

Unknown author (2018)

© 2018, Pleiades Publishing, Ltd. Results of structural, magnetic, and Mössbauer studies of quasi ordered alloys Fe65Al35 − xMx(Mx= Ga, B; x = 0, 5 at %) are presented. The magnetic state of examined structurally–single-phase ...

Magnetization Reversal of Permalloy Microparticles with the Configuration Anisotropy by Magnetic-Force Microscopy

Bizyaev D.; Bukharaev A.; Chuklanov A.; Nurgazizov N. (2018)

© 2018, Pleiades Publishing, Ltd. Abstract—Magnetic force microscopy has been used to study the distribution of the magnetization in permalloy microparticles with a configurational anisotropy. The triangular particles with ...

The Oscillations in ESR Spectra of Mn<inf>0.11</inf>Hg<inf>0.89</inf>Te in X- and Q-Bands

Shestakov A.; Fazlizhanov I.; Yatsyk I.; Ibragimova M.; Shustov V.; Lyadov N.; Eremina R. (2018)

© 2018, Pleiades Publishing, Ltd. Abstract: The object of the investigation was n-type mercury chalcogenide (Mn0.11Hg0.89Te) monocrystal which was grown by crystallization from a two-phase mixture with replenishment of the ...

Combined Ultramicrotomy and Atomic Force Microscopy Study of the Structure of a Bulk Heterojunction in Polymer Solar Cells

Unknown author (2018)

© 2018, Pleiades Publishing, Ltd. A method for visualization via atomic-force microscopy of the internal structure of photoactive layers of polymer solar cells using an ultramicrotome for photoactive layer cutting is ...

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