Zobrazeno 1 - 10 of 28 pro vyhledávání: '"L. S. Kocheva"'
3
2D Carbon Nanomaterials as Promising Adsorbents of Uranium
Autor: A. P. Karmanov, A. P. Voznyakovsky, L. S. Kocheva, N. G. Rachkova, V. A. Demin, N. I. Bardanovich
Publikováno v: Protection of Metals and Physical Chemistry of Surfaces. 57:890-898
The phenomena of U238 sorption/desorption onto 2D carbon nanomaterials prepared by the self-propagating high-temperature synthesis (SHS) technique from both natural and technical lignins were investigated. Electron microscopy, pyrolytic chromatograph
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03dcaec0ecfc9f35afc1c9785fd31e2d
https://doi.org/10.1134/s2070205121050117
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4
Detonation Nanodiamonds as Adsorbents for Uranium and Thorium
Autor: N. S. Almazova, L. S. Kocheva, N. I. Bogdanovich, N. G. Rachkova, V. Yu. Dolmatov, A. P. Karmanov
Publikováno v: Journal of Superhard Materials. 43:203-212
The sorption properties of carbon nanomaterials with different contents of the fraction of detonation nanodiamonds (DND) with respect to 238U and 232Th radionuclides were studied. The rates of U and Th adsorption-desorption in aqueous media were esta
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d415f0fad2879d654c6a2a919d672c8b
https://doi.org/10.3103/s1063457621030059
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5
Physicoсhemical Characteristics and Sorption Capacity of Biosynthetic Polymers Based on Ferulic Acid and Coniferyl Alcohol with Respect to the Zearalenone Mycotoxin
Autor: N. I. Bogdanovich, A. V. Kanarskiy, L. S. Kocheva, O. Yu. Derkacheva, A. P. Karmanov, E. I. Semenov, Z. A. Kanarskaya
Publikováno v: Russian Journal of Bioorganic Chemistry. 46:1343-1350
The data on the chemical structure of the polymers, synthesized by the method of fermentative dehydropolymerization of ferulic acid, as well as coniferyl alcohol, are presented. The polyferulic acids were found to have nearly identical element compos
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::72167422e6b48ee9a3709da032427c61
https://doi.org/10.1134/s1068162020070043
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6
Structural and chemical features of coal-similar wood organic substances of the Devonian and Jurassic periods
Autor: V. P. Lutoev, Yu. V. Glukhov, I. Kh. Shumilov, L. S. Kocheva, A. P. Karmanov, S. A. Pokryshkin
Publikováno v: Доклады Академии наук. 486:455-459
The results of investigation of organic matter chemical structure of the coal-similar wood of Devonian and Jurassic geological periods by the methods of IR-, EPR-, chromate-masses-spectrometry and element analysis are presented. It is shown that the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b741f01001f1cb5f518c0187c5b7cfc
https://doi.org/10.31857/s0869-56524864455-459
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7
Structural and Chemical Features of Organic Matter in Carbonized Wood of the Devonian and Jurassic Periods
Autor: L. S. Kocheva, Yu. V. Glukhov, S. A. Pokryshkin, V. P. Lutoev, I. Kh. Shumilov, A. P. Karmanov
Publikováno v: Doklady Earth Sciences. 486:634-637
The results of studies of the chemical structure of organic matter in Devonian and Jurassic carbonized wood using IR, ESR, and GC–MS techniques along with elemental analysis are presented. It is shown that the examined samples consist of metamorphi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ed4a2b74b3d51af224c2649a6a58ba6a
https://doi.org/10.1134/s1028334x19060059
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8
Transport Properties and Sizes of Lignin Macromolecules in Solution
Autor: V. A. Belyi, V. V. Volodin, L. S. Kocheva, A. P. Karmanov
Publikováno v: Polymer Science, Series A. 61:53-60
The molecular properties of diluted solutions of Pepper’s lignin from the stems of Serratula coronata L. saw-wort in dimethylformamide are studied by capillary viscometry and sedimentation-diffusion analysis. The MMs of fractions and the hydrodynam
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f276d998a4df848d95b027e63a54d5ba
https://doi.org/10.1134/s0965545x1901005x
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10
Study of the Topological Structure of Bamboo Bambusa sp. Lignin Macromolecules
Autor: A. P. Karmanov, L. S. Kocheva
Publikováno v: Polymer Science, Series A. 60:464-470
The topological structure of macromolecules of Pepper lignin isolated from bamboo stems is studied. The molecular properties of dilute lignin solutions in dimethylformamide are investigated by the methods of high-velocity sedimentation, translational
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::815f56764399add26a5d153bd599cc15
https://doi.org/10.1134/s0965545x1804003x
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