Výsledky vyhledávání

Desulfurization of Brown Coal in Water under Supercritical Conditions

Autor: Ya. M. Stanishevskii, D. P. Savitsky, S. S. Gizha, A. G. Tur’yanskii

Publikováno v: Solid Fuel Chemistry. 52:143-152

A method for the desulfurization of brown coal by treatment in supercritical water (T = 673.15 K, P = 30 MPa) with the subsequent deposition of gaseous sulfur compounds on a copper substrate was proposed. The products were refined fuel with a low hea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ef8838a3409bdd00e0938498ca73cdf0
https://doi.org/10.3103/s0361521918030114

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Fast and Ultrafast Energy-Dispersive X-Ray Reflectrometry Based on Prism Optics

Autor: S. S. Gizha, O. V. Konovalov, A. G. Tur’yanskii

Publikováno v: JETP Letters. 106:828-832

Interference spectra of X-ray reflection from thin films have been obtained for the first time by the decomposition of the spectrum of a polychromatic beam by means of a diamond prism. The measurements of film nanostructures and reference absorption

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6879dc8bfb3c6357b2c763a80b433fb6
https://doi.org/10.1134/s0021364017240122

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Broadband Filtering of an X-Ray Spectrum by Transmission through a Polycapillary Structure

Autor: S. S. Gizha, V. M. Senkov, A. G. Tur’yanskii

Publikováno v: Technical Physics Letters. 44:1208-1210

The efficiency of broadband filtering of a polychromatic X-ray spectrum by a polycapillary structure in the region of photon energies E > 10 keV was demonstrated. A polycapillary 40.5-mm-long rod made of borosilicate glass and containing 106 parallel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::420ca2950c88a3e3d7c2ddf3c1dbf3b8
https://doi.org/10.1134/s1063785019010176

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Energy-Dispersive Scheme with a Bandpass Filter for Determining Heavy Element Content from X-Ray Absorption Spectra

Autor: A. G. Touryanskiy, V. M. Senkov, S. S. Gizha, Ya. M. Stanishevskiy

Publikováno v: Bulletin of the Russian Academy of Sciences: Physics. 82:369-371

An energy-dispersive scheme using a bandpass filter based on pyrolytic graphite is proposed for determining the content of heavy elements from X-ray absorption spectra. The detected excitation spectrum is corrected to increase the accuracy of measure

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::386529a23aecc805381afde91259f085
https://doi.org/10.3103/s1062873818040226

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Band reject filtration of the excitation spectrum at energy dispersive X-ray spectroscopy of weak signals

Autor: A. G. Tur’yanskii, I. V. Pirshin, S. S. Gizha, Ya. M. Stanishevskii, V. M. Senkov

Publikováno v: JETP Letters. 104:417-420

The possibility of the efficient band reject filtration of the continuous X-ray excitation spectrum in the energy range E ≥ 8 keV is demonstrated. This makes it possible to strongly increase the sensitivity of energy dispersive X-ray spectroscopy a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4e0d519f704ea4c550091db91b148d06
https://doi.org/10.1134/s0021364016180120

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The Study of Morphology and Photoelectric Sensitivity of Low-Temperature Ge/Si Heterostructures with Ge Quantum Dots

Autor: Larisa V. Arapkina, S. S. Gizha, V. P. Kalinushkin, Mikhail S. Storozhevykh, V. A. Chapnin, V. M. Senkov, N. D. Beylin, Oleg V. Uvarov, I. V. Pirshin, K. V. Chizh, Vladimir A. Yuryev

Publikováno v: Journal of Nanoelectronics and Optoelectronics. 9:734-737

The morphology of low-temperature (growth temperature 360 °C) multilayer Ge/Si heterostructures with Ge quantum dots was investigated by means of transmitting electron microscopy, scanning tunneling microscopy and X-ray optics. The possibility to de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf0041b8c52f394dfd91f77bb57d6e50
https://doi.org/10.1166/jno.2014.1673

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Energy-dispersive X-ray-absorption edge spectrometry with spectrum filtration by X-ray mirrors

Autor: S. S. Gizha, V. M. Senkov, S. K. Savel’ev, A. G. Tur’yanskii

Publikováno v: Technical Physics Letters. 40:346-349

A highly sensitive energy-dispersive scheme with a semiconductor spectrometer is proposed for determining impurity concentrations from the X-ray-absorption edge spectra. The optimization of spectrum in a band studied is ensured by sequential reflecti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d0d3f812701304568c860a45746275a4
https://doi.org/10.1134/s1063785014040269

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Edge diffraction effect at the refraction of X rays in a diamond prism

Autor: O. V. Konovalov, S. S. Gizha, A. G. Tur’yanskii, N. D. Beilin

Publikováno v: JETP Letters. 100:540-542

The refraction of monochromatic X-ray radiation in an optically polished diamond prism has been studied. Measurements have been performed on the ID10 channel of the ESRF synchrotron (Grenoble). It has been found that parabolic geometric deviations of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e97671656c880b3904739c68435583e9
https://doi.org/10.1134/s0021364014200119

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