Search Results - "Gracheva, I. N."

Toward the Asphaltene Structure by Electron Paramagnetic Resonance Relaxation Studies at High Fields (3.4 T) by Mamin, G. V, Gafurov, M. R, Yusupov, R. V, Gracheva, I. N, Ganeeva, Yu. M, Yusupova, T. N, Orlinskii, S. B

“…A series of 12 asphaltene samples extracted from heavy oils and the oxidized bitumen of different origin has been studied with high-frequency W-band (94 GHz)…”
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Breaking of the Cubic Symmetry in Millimeter-Size SrTiO3 Crystals: ESR Manifestations by Gabbasov, B. F., Gracheva, I. N., Nikitin, S. I., Trepakov, V. A., Yusupov, R. V.

“…— The found effect of lowering the symmetry of the crystal structure of thin (less than 1 mm) plates and bars of strontium titanate (SrTiO 3 ) single crystals…”
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Symmetry breaking in single-crystal SrTiO3 plates: EPR manifestations by Gabbasov, B F, Gracheva, I N, Rodionov, A A, Kiiamov, A G, Nikitin, S I, Zverev, D G, Trepakov, V A, Dejneka, A, Jastrabik, L, Yusupov, R V

“…Results of the electron paramagnetic resonance (EPR) studies of Fe3+ and Mn4+ impurity centers in high-quality single-crystal SrTiO3 plates with thickness are…”
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Study of Organic Self-Assembled Nanosystems by Means of High-Frequency ESR/ENDOR: The Case of Oil Asphaltenes by Gafurov, M. R., Gracheva, I. N., Mamin, G. V., Ganeeva, Yu. M., Yusupova, T. N., Orlinskii, S. B.

“…An approach to investigate self-assembly of oil disperse systems based on high-field electron nuclear double resonance has been suggested. As exemplified by…”
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ENDOR study of nitrogen hyperfine and quadrupole tensors in vanadyl porphyrins of heavy crude oil by Gracheva, I N, Gafurov, M R, Mamin, G V, Biktagirov, T B, Rodionov, A A, Galukhin, A V, Orlinskii, S B

“…We report the observation of pulsed electron-nuclear double resonance (ENDOR) spectrum caused by interactions of the nitrogen nuclei 14N with the unpaired…”
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Experimental evidences of the shape-induced structural distortion of SrTiO3 single crystals from impurity Mn4+ ions electron paramagnetic resonance by Gabbasov, B F, Gracheva, I N, Nikitin, S I, Zverev, D G, Dejneka, A, Trepakov, V A, Yusupov, R V

“…A study of high-quality SrTiO3 single crystals doped with the Mn4+ ions in the cubic phase (T > 105 K) with X-band electron paramagnetic resonance reveals…”
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Electron paramagnetic resonance and X-ray diffraction study of PbF2 fine powders mechanochemically doped with Er3+ ions by Irisova, I A, Gracheva, I N, Lysogorskiy, Y V, Shinkarev, A A, Rodionov, A A, Tayurskii, D A, Yusupov, R V

“…Investigation of the mechanochemical doping of PbF2 powders with Er3+ ions with electron paramagnetic resonance and X-ray diffraction is presented. In the…”
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EPR Study of the Vanadium Ions in Mg2SiO4 Crystal by Gracheva, I. N., Rodionov, A. A., Silkin, N. I., Yusupov, R. V., Dudnikova, V. B., Zharikov, E. V., Tarasov, V. F.

“…Vanadium-doped forsterite crystal has been studied with X-band electron paramagnetic resonance (EPR) spectroscopy. The sample was grown by the Czochralski…”
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Symmetry breaking in single-crystal SrTiO 3 plates: EPR manifestations by Gabbasov, B. F., Gracheva, I. N., Rodionov, A. A., Kiiamov, A. G., Nikitin, S. I., Zverev, D. G., Trepakov, V. A., Dejneka, A., Jastrabik, L., Yusupov, R. V.

“…Abstract Results of the electron paramagnetic resonance (EPR) studies of Fe 3+ and Mn 4+ impurity centers in high-quality single-crystal SrTiO 3 plates with…”
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The necessity of complex use of radiation and endoscopic techniques in the differential diagnosis of gastric ulcerations by Gorshkov, A N, Meshkov, V M, Gracheva, N I, Biakhov, M Iu, Timchenko, I V, Meshkov, M V

“…The results of examination of 156 patients were used to consider whether radiation and endoscopic techniques might be used in the differential diagnosis of…”
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Experimental manifestations of the Nb^{4+}-O^{-} polaronic excitons in KTa_{0.988}Nb_{0.012}O_{3} by Yusupov, R. V, Gracheva, I. N, Rodionov, A. A, Syrnikov, P. P, Gubaev, A. I, Dejneka, A, Jastrabik, L, Trepakov, V. A, Salakhov, M. Kh

“…The formation of the photo-polaronic excitons in ABO_{3} perovskite type oxides has been detected experimentally by means of the photoinduced electron…”
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Photo-EPR Studies of KTN-1.2: Evidences of the Nb4+−O− Polaronic Excitons by Yusupov, R. V., Gracheva, I. N., Rodionov, A. A., Syrnikov, P. P., Gubaev, A. I., Dejneka, A., Jastrabik, L., Trepakov, V. A., Salakhov, M. Kh

“…Strongly anisotropic photoinduced electron paramagnetic resonance spectrum was found in the KTa 1-x Nb x O 3 crystals with x = 0.012 at T < 10 K, which is…”
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Photo-EPR Studies of KTN-1.2: Evidences of the Nb 4+ −O − Polaronic Excitons by Yusupov, R. V., Gracheva, I. N., Rodionov, A. A., Syrnikov, P. P., Gubaev, A. I., Dejneka, A., Jastrabik, L., Trepakov, V. A., Salakhov, M. Kh

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Photo-EPR Studies of KTN-1.2: Evidences of the Nb^sup 4+^-O- Polaronic Excitons by Yusupov, R V, Gracheva, I N, Rodionov, A A, Syrnikov, P P, Gubaev, A I, Dejneka, A, Jastrabik, L, Trepakov, V A, Salakhov, M Kh

“…Strongly anisotropic photoinduced electron paramagnetic resonance spectrum was found in the KTa1-x Nb x O3 crystals with x = 0.012 at T < 10 K, which is…”
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Rectoromanoscopy by GRACHEVA, N I

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Highly sensitive express methods for determining methanol in liquid hydrocarbons produced by OAO Gazprom by Arystanbekova, S. A., Gracheva, N. I., Skryabina, A. E., Volynskii, A. B.

“…Simple and reliable methods are proposed for determining methanol in stable gas condensate, wide light hydrocarbon fractions, and liquefied hydrocarbon gases…”
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Capacities of transabdominal ultrasound study in the diagnosis of polyps of the stomach and colon by Gorshkov, A N, Gracheva, N I

“…The data obtained from studies of 84 patients with polyps of the stomach and colonic were used to consider the capacities of transabdominal and transrectal…”
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Experimental manifestations of the Nb 4 + -O − polaronic excitons in KTa 0.988 Nb 0.012 O 3 by Yusupov, R. V., Gracheva, I. N., Rodionov, A. A., Syrnikov, P. P., Gubaev, A. I., Dejneka, A., Jastrabik, L., Trepakov, V. A., Salakhov, M. Kh

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Photo-EPR Studies of KTN-1.2: Evidences of the Nb super(4+)-O super(-) Polaronic Excitons by Yusupov, R V, Gracheva, IN, Rodionov, A A, Syrnikov, P P, Gubaev, AI, Dejneka, A, Jastrabik, L, Trepakov, V A, Salakhov, MKh

“…Strongly anisotropic photoinduced electron paramagnetic resonance spectrum was found in the KTa sub(1-x)Nb sub(x)O sub(3) crystals with x = 0.012 at T < 10 K,…”
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ENDOR study of nitrogen hyperfine and quadrupole tensors in vanadyl porphyrins of heavy crude oil by Gracheva, I. N, Gafurov, M. R, Mamin, G. V, Biktagirov, T. B, Rodionov, A. A, Galukhin, A. V, Orlinskii, S. B

“…Magnetic Resonance in Solids. Electronic Journal. 2016, Vol. 18, No 1, 16102 (5 pp.) We report the observation of pulsed electron-nuclear double resonance…”
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