Search Results - "Tyutyunnik, A"

Symbolic-Numerical Implementation of the Model of Adiabatic Guided Modes for Two-Dimensional Irregular Waveguides by Divakov, D. V., Tyutyunnik, A. A., Starikov, D. A.

“…In this work, a symbolic-numerical solution of Maxwell’s equations is constructed, describing the guided modes of a two-dimensional smoothly irregular…”
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Sorption of copper(II) ions from aqueous solution by activated carbon BAU-A and coal sorbent MIU-S. The relationship between the structure of sorbents and their sorption properties by Linnikov, О D, Rodina, I V, Baklanova, I V, Suntsov, A Yu, Tyutyunnik, A P

“…The sorption of copper(II) ions in a wide range of pH by two Russian carbon sorbents BAU-A and MIU-S was studied. Sorbents varied in structure, surface area,…”
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Symbolic-Numerical Modeling of the Propagation of Adiabatic Waveguide Mode in a Smooth Waveguide Transition by Divakov, D. V., Tyutyunnik, A. A.

“…In this work, the model of adiabatic waveguide modes is studied by means of computer algebra. Within the model, the solution of the system of Maxwell’s…”
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Symbolic-Numerical Implementation of the Galerkin Method for Approximate Solution of the Waveguide Diffraction Problem by Divakov, D. V., Tyutyunnik, A. A.

“…In this paper, we construct a symbolic-numerical implementation of the Galerkin method for approximate solution of the waveguide diffraction problem at the…”
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Symbolic Investigation of the Spectral Characteristics of Guided Modes in Smoothly Irregular Waveguides by Divakov, D. V., Tyutyunnik, A. A.

“…This paper considers a homogeneous system of functional equations that occurs when solving a spectral problem the eigenfunctions of which describe guided modes…”
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Solubility of Scandium Cesium Double Sulfate CsSc(SO4)2 in Sulfuric Acid Solutions by Pasechnik, L. A., Medyankina, I. S., Tyutyunnik, A. P., Bamburov, V. G.

“…Cesium sulfatoscandate CsSc(SO 4 ) 2 (space group P , a = b = 5.0971(1) Å, c = 8.6924(5) Å, V = 195.580(2) Å 3 , Z = 1) has been crystallized from aqueous…”
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Luminescence of Sm3+ Ions Sensitized by a TiO2 Matrix by Baklanova, I. V., Krasil’nikov, V. N., Tyutyunnik, A. P., Baklanova, Ya. V.

“…Ti 1- x Sm x O 2- x /2 ( x = 0.025, 0.05, and 0.1) solid solutions with the anatase structure were synthesized by the precursor method and characterized by…”
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Ion Mobility in Triple Sodium Molybdates and Tungstates with a NASICON Structure by Buzlukov, A. L., Fedorov, D. S., Serdtsev, A. V., Kotova, I. Yu, Tyutyunnik, A. P., Korona, D. V., Baklanova, Ya. V., Ogloblichev, V. V., Kozhevnikova, N. M., Denisova, T. A., Medvedeva, N. I.

“…Research data for the diffusion mechanisms of Na + ions in Na 1 – x Mg 1 – x Al 1 + x (XO 4 ) 3 (X = Mo, W) compounds with the NASICON-type structure (space…”
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Determination of the Trace-Element Composition of Black Shale Rocks and Ores. Certified Reference Materials SLg-1 and SChS-1 by Tyutyunnik, O. A., Nabiullina, S. N., Kubrakova, I. V.

“…— A complex of methods developed by the authors for studying the trace-element composition of black shales involves various options for the preparation of…”
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Determination of Trace Amounts of Platinum Group Elements and Gold in Ultrabasic Rocks by Inductively Coupled Plasma Mass Spectrometry Using AG-X8 and LN-Resin Sorbents by Tyutyunnik, O. A., Nabiullina, S. N., Anosova, M. O., Kubrakova, I. V.

“…A procedure is developed for determining trace amounts of Pt, Pd, Rh, Ru, Ir, and Au in ultrabasic rocks by inductively coupled plasma mass spectrometry…”
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NEW PHOSPHATE VANADATES Ba2.4Mn2.6V1.5P2.5O15 AND Ba2.6Mn2.4VP3O15 by Zhuravlev, V. D., Tyutyunnik, A. P., Chufarov, A. Yu, Patrusheva, Т. А.

“…The new phosphate vanadates, narrow range solid solutions Ba 2.4 Mn 2.6 V 1.5 P 2.5 O 15 and Ba 2.6 Mn 2.4 VP 3 O 15 were synthesized. The structural…”
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Luminescent Thermometry of (Y1–xErx)2O3 Oxides by Baklanova, I. V., Krasil’nikov, V. N., Tyutyunnik, A. P., Baklanova, Ya. V.

“…A fast and simple method for the synthesis of solid solutions based on erbium-doped yttrium oxide (Y 1–x Er x ) 2 O 3 was developed. The crystal structures of…”
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Synthesis, spectroscopic and luminescence properties of Ga–doped γ–Al2O3 by Baklanova, I.V., Krasil'nikov, V.N., Tyutyunnik, A.P., Enyashin, A.N., Baklanova, Ya.V., Gyrdasova, O.I., Samigullina, R.F., Vovkotrub, E.G.

“…Gallium-doped aluminum oxide (Al1–xGax)2O3 with γ-Al2O3 (spinel) structure has been synthesized by the precursor method using the formate Al1-xGax(OH)(HCOO)2…”
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Paramagnetic Mn Antisite Defects in Nanoceramics of Aluminum–Magnesium Spinel by Zatsepin, A. F., Kiryakov, A. N., Baytimirov, D. R., Dyachkova, T. V., Tyutyunnik, A. P., Zainulin, Yu. G.

“…The effect of structure and size parameters on the formation of intrinsic and impurity paramagnetic centers in nanoceramics of aluminum–magnesium spinel is…”
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Crystal structure, infrared luminescence and magnetic properties of Tm3+-doped and Tm3+-, Dy3+-codoped BaY2Ge3O10 germanates by Baklanova, Ya.V., Lipina, O. A., Chufarov, A. Yu, Surat, L. L., Tyutyunnik, A. P., Kellerman, D. G., Zubkov, V. G.

“…The Ca(Ba)RE 2 Ge 3 O 10 germanates are currently considered as a promising class of active optical media emitting in the visible and infrared spectral region…”
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Account of Matrix Effects in the Spectrometric Determination of Trace Elements Using the Single-Point Standard Addition Method by Sadagov, Yu. M., Tyutyunnik, O. A., Kubrakova, I. V., Sadagov, A. Yu

“…Possibilities of taking into account matrix effects in the determination of trace elements by electrothermal atomic absorption spectrometry and inductively…”
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Ba2Gd2 –xSmxGe4O13: Luminescence Properties, Prospects for Non-Contact Temperature Sensing Applications and Light-Emitting Diodes by Chvanova, A. V., Lipina, O. A., Chufarov, A. Yu, Tyutyunnik, A. P., Baklanova, Ya. V., Surat, L. L., Zubkov, V. G.

“…Tetragermanates Ba 2 Gd 2 – x Sm x Ge 4 O 13 ( x = 0.025–0.8) have been synthesized by the solid-phase method. Solid solutions crystallize in the monoclinic…”
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BaYb2 – xErxGe3O10 and BaY2 – 10yYb9yEryGe3O10: Luminescent Properties and Prospects for Applications in Remote Temperature Determination by Lipina, O. A., Surat, L. L., Melentsova, A. A., Baklanova, Ya. V., Chufarov, A. Yu, Tyutyunnik, A. P., Zubkov, V. G.

“…Triorthogermanates BaYb 2 –   x Er x Ge 3 O 10 ( x = 0.1–0.3) and BaY 2 – 10 y Yb 9 y Er y Ge 3 O 10 ( y = 0.015–0.15) are synthesized by the solid phase…”
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Au and PGE Determination in Geochemical Materials: Experience in Applying Spectrometric Techniques by Kubrakova, I. V., Nabiullina, S. N., Tyutyunnik, O. A.

“…— The paper systematizes methods used to determine trace concentrations (1 n to 1000 n ppb) of PGE and Au in geochemical materials. The methods involve various…”
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Sorption Properties of Freshly Precipitated Iron(III) Hydroxide toward Nickel Ions. Part 2. Structure and Composition of Iron(III) Hydroxide Precipitates by Linnikov, O. D., Rodina, I. V., Zakharova, G. S., Mikhalev, K. N., Baklanova, I. V., Kuznetsova, Yu. V., Germov, A. Yu, Goloborodskii, B. Yu, Tyutyunnik, A. P., Fattakhova, Z. A.

“…A comparative analysis of the composition and structure of freshly precipitated iron(III) hydroxide precipitates obtained from a sodium sulfate solution (400…”
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