Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Gong, Xuanping"'
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 8, Pp 142-147 (2023)
Currently, research on the dynamic features of gas desorption mainly focuses on single particle size coal samples. There is less research on the dynamic features of gas desorption of mixed coal samples with different particle sizes. To solve this pro
Externí odkaz:
https://doaj.org/article/d2952ec16c0c4369a2e254d9648bc66b
Autor:
Zheng, Chunshan, Liao, Feng, Xue, Sheng, Jiang, Bingyou, Gong, Xuanping, Han, Baiqing, Chen, Zhongwei
Publikováno v:
In Geoenergy Science and Engineering April 2023 223
Publikováno v:
Meikuang Anquan, Vol 53, Iss 11, Pp 176-183 (2022)
In order to investigate influence of different factors on borehole gas drainage performance, in-situ stress field test in targeted mining area was carried out. The theoretical model of gas migration in coal matrix fracture system was established, and
Externí odkaz:
https://doaj.org/article/c99c2ab2122d45e2b389847a96f76731
Akademický článek
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Publikováno v:
Meikuang Anquan, Vol 53, Iss 10, Pp 120-125 (2022)
In order to realize the intelligent decision-making of the pipe diameter optimization scheme of the mine gas extraction pipe network, the gas extraction pipe network diagram theory model is constructed based on the principle of graph theory, and the
Externí odkaz:
https://doaj.org/article/90499a1470cf4b8fb3c171630bfcbf2e
Publikováno v:
Meikuang Anquan, Vol 53, Iss 5, Pp 157-163 (2022)
In order to control the gas flow of the working surface, improve the gas extraction capacity of the mining-out area, this paper takes Wangjialing Mine 12302 working surface as a test object, and the evolution law of mining-induced fractures in overbu
Externí odkaz:
https://doaj.org/article/3aa04a95cf3643afbafbe90d06e219ec
Publikováno v:
Gong-kuang zidonghua, Vol 47, Iss 7, Pp 107-114 (2021)
The gas extraction effect during the initial pressure on the working face by using conventional high-level directional long drilling is poor. In order to solve the above problem, taking the project background of 12309 fully mechanized caving face of
Externí odkaz:
https://doaj.org/article/9d98fa1c685e44418c498f5c1b7854cf
Publikováno v:
Shock & Vibration. 9/2/2021, p1-13. 13p.
Autor:
Gao, Han1,2 (AUTHOR), Gong, Xuanping2 (AUTHOR), Cheng, Xiaoyu2 (AUTHOR), Yu, Rui3 (AUTHOR), Wang, Hui4 (AUTHOR)
Publikováno v:
Shock & Vibration. 3/2/2021, p1-16. 16p.
Akademický článek
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