Zobrazeno 1 - 10
of 105
pro vyhledávání: '"S.M. Shevchenko"'
The Factor of Structure and Mechanical Properties in the Production of Critical Fixing Hardware 38XA
Publikováno v:
Tribology in Industry, Vol 38, Iss 3, Pp 385-391 (2016)
Fixing hardware made of carbon, high-carbon, and alloyed wires is one of the widespread critical parts in mechanical engineering. The characteristics of fixtures and fasteners and their performance figures are assessed at all stages of steel-making o
Externí odkaz:
https://doaj.org/article/45dce54ecc0240a383d572572cd72e54
Autor:
K.V. Korytchenko, О.V. Martynenko, A.M. Kasimov, I.M. Hrytsyna, S.M. Shevchenko, N.I. Hrytsyna
Publikováno v:
Problems of Atomic Science and Technology. :51-56
The influence of the initial pressure of the combustible gas mixture on the processes that occur during the initiation of detonation by a spark discharge in a high-pressure hydrogen-oxygen mixture was estimated. A onedimensional gas-dynamic model in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ee1d745c7f14daa2c875e0157d625cd
https://doi.org/10.46813/2023-143-051
https://doi.org/10.46813/2023-143-051
Autor:
S.M. Shevchenko
Publikováno v:
Innovate Pedagogy. 2:45-49
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9aa5ba3125f0bbedbbd847dba8b97dc6
https://doi.org/10.32843/2663-6085/2021/32-2.9
https://doi.org/10.32843/2663-6085/2021/32-2.9
Publikováno v:
Solid State Phenomena. 284:662-666
Along with design factors, reliability of the work-pieces for machines and mechanisms is a function of the structure and the properties of the implied materials; these properties depend significantly on the kind and the mode of the process treatment.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73231ad83de7ecd85f8def5ecf676792
https://doi.org/10.4028/www.scientific.net/ssp.284.662
https://doi.org/10.4028/www.scientific.net/ssp.284.662
Autor:
А.І. Тsyliuryk, S.M. Shevchenko, Ya.V. Ostapchuk, A.M. Shevchenko, E.A. Derevenets-Shevchenko
Publikováno v:
Ukrainian Journal of Ecology, Vol 8, Iss 1, Pp 487-497 (2018)
Due to the violation of the technology of sunflower growing in Ukraine and the disbalance of scientifically grounded crop rotation, or their complete absence, with the expansion of sunflower seeds in the structure of crops to 40% and more, and the si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::6771e6fa613d2e82b22ad4175b36ded5
http://ojs.mdpu.org.ua/index.php/biol/article/view/2323
http://ojs.mdpu.org.ua/index.php/biol/article/view/2323
Akademický článek
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Akademický článek
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Publikováno v:
Bioresource Technology. 72:207-211
SO2-catalyzed steam explosion effectively fractionates softwood carbohydrates, releasing 80–90% of the hemicellulose into solution and enhancing the enzymatic hydrolysis of the water-insoluble cellulose fraction. When steam pretreatment conditions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0dcd697e57330e41d78849f7baa7c44d
https://doi.org/10.1016/s0960-8524(99)00125-x
https://doi.org/10.1016/s0960-8524(99)00125-x
Publikováno v:
Holzforschung. 51:419-427
Aqueous alkali is a convenient medium for obtaining 13 C NMR spectra of lignins. The spectra of a series of model compounds were recorded in both aqueous alkali and a deuterated organic solvent that, with the data published previously, made up the ba
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd13d490e476d4ff0d66c52e8cbef215
https://doi.org/10.1515/hfsg.1997.51.5.419
https://doi.org/10.1515/hfsg.1997.51.5.419
Publikováno v:
hfsg. 50:237-244
The 13 C NMR spectra of 24 lignin model compounds in organic solvents (DMSO-D 6 , acetone-D 6 ) and in aqueous alkali are compared, and ionisation chemical shifts (ICS) determined. The data are used to interpret the spectra of lignins in aqueous alka
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ade336887d7214a77e9f3e34129cba0e
https://doi.org/10.1515/hfsg.1996.50.3.237
https://doi.org/10.1515/hfsg.1996.50.3.237