Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Yu. S. Vasilyev"'
Publikováno v:
Coke and Chemistry. 60:133-139
The oxidation index is an important characteristic of coal and coal batch, indicating the change in coking properties on oxidation. The coke obtained from coal batch containing poorly clinkering oxidized coal has a higher content of isotropic carbon
Autor:
I. V. Shulga, V. N. Rubchevskiy, A. V. Podlubnyy, A. L. Fidchunov, Yu. A. Chernyshov, Yu. S. Vasilyev
Publikováno v:
Coke and Chemistry. 57:154-157
At PAO Zaporozhkoks, the coke yield is determined experimentally as a function of the batch properties and the final coking temperature, in box coking. An empirical formula for the coke yield is obtained. With increase in the yield of volatiles from
Publikováno v:
Zoodiversity, Vol 57, Iss 2 (2023)
Nine species of hoverflies of the subfamilies Eristalinae, Pipizinae and Syrphinae are recorded from Ukraine for the first time: Cheilosia himantopus (Panzer, 1798), Orthonevra incisa (Loew, 1843), Neocnemodon verrucula (Collin, 1931), Pipiza luteiba
Externí odkaz:
https://doaj.org/article/198b540e3cde483d9945619ded32174e
Publikováno v:
Zoodiversity, Vol 54, Iss 3, Pp 237–258-237–258 (2020)
Ten additional species of hover flies of the subfamilies Eristalinae and Syrphinae are recorded from Ukraine for the first time: Cheilosia bergenstammi Becker, 1894, C. fraterna (Meigen, 1830), C. nebulosa Verrall, 1871, C. pascuorum Becker, 1894, C.
Externí odkaz:
https://doaj.org/article/24f41d0887d4445ca2bed41f35a6c1a6