Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Lejing QIN"'
Autor:
Haibo ZHAO, Lejing QIN
Publikováno v:
Meikuang Anquan, Vol 55, Iss 4, Pp 19-25 (2024)
In order to utilize high-rank coal efficiently and cleanly, based on Shanxi lean coal, this paper explores the molecular structure characteristics of lean coal and constructs a molecular model of lean coal. In this paper, X-ray photoelectron spectros
Externí odkaz:
https://doaj.org/article/4ea3d6a31068453994d2b59e7c923e29
Publikováno v:
Meikuang Anquan, Vol 55, Iss 1, Pp 132-138 (2024)
In order to explore the source of low metamorphic coal CO source and reduce the risk of natural fire in the coal seam, Taking the 3# coal seam of Dananhu No.1 mine as the research object, the CO generation rule in the CO occurrence, mining and cuttin
Externí odkaz:
https://doaj.org/article/f0447cf48dbe4307878e656a86d3ff71