Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Zheng, Guanghui"'
Autor:
ZHANG Guoyu, GAO Feng, ZHANG Zhiwei, XING Xudong, ZHU Tao, LIU Kaiwen, SU Jimin, ZHENG Guanghui
Publikováno v:
Meikuang Anquan, Vol 54, Iss 8, Pp 81-89 (2024)
Aiming at the engineering background of shallow coal seam burial depth, thick soil layer, thin bedrock and strong disturbance of fully mechanized caving mining in the loess gully area of northern Shanxi Province, two methods of comprehensive numerica
Externí odkaz:
https://doaj.org/article/fb5a905187fc4f8bbbd459c3c6489a2a
Publikováno v:
Meikuang Anquan, Vol 53, Iss 12, Pp 192-200 (2022)
In order to study the roadway layout and reasonable staggered distance of the lower coal seam during the mining of short-range shallow coal seam, taking Xinjiang Donggou Coal Mine as the engineering background, the simulation of the layout of interna
Externí odkaz:
https://doaj.org/article/64484f1bf7814839baf6f6c690de049d
Publikováno v:
Jixie qiangdu, Vol 38, Pp 271-275 (2016)
The comprehensive performance of cutting mechanism of roadheader is decided by cutting dust,quantity of pick consumption,specific density consumption,load fluctuation and production efficiency. This paper takes motion parameters and structure paramet
Externí odkaz:
https://doaj.org/article/c714fcfaa9d040fca71f98027d296896