Zobrazeno 1 - 10
of 204
pro vyhledávání: '"physical similarity"'
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 5, Pp 25-35 (2024)
The key to gas drainage in goaf is to understand the evolution process of overlying strata fissures on working face. In order to study the evolution law of mining-induced compaction area of overburden rock in fully mechanized mining face and efficien
Externí odkaz:
https://doaj.org/article/8d26428cbd0c4baea4bb1bf15798ba37
Autor:
Tao Yang, Yiming Zhang, Jie Zhang, Haifei Lin, Ruoyu Bao, Yifeng He, Yihui Yan, Pengkun Luo, Haohao Wu, Jianping Sun, Haibo Pang
Publikováno v:
Applied Sciences, Vol 14, Iss 14, p 6127 (2024)
As the depth of coal seams increases and the demand for coal grows, the deformation and failure of roadways and coal pillars also intensify. To address the instability of roadways, it is crucial to study the appropriate dimensions for coal pillars. T
Externí odkaz:
https://doaj.org/article/db402590d5cf4e4589550563af29a837
Publikováno v:
Meikuang Anquan, Vol 54, Iss 7, Pp 205-213 (2023)
In order to study the overburden failure characteristics and surface subsidence law of shallow buried coal seam under the condition of double coal seam mining, based on the geological conditions of typical shallow buried coal seam in Yushenfu Mining
Externí odkaz:
https://doaj.org/article/4357e0e8827d4ccdbe87312204687370
Publikováno v:
Applied Sciences, Vol 14, Iss 7, p 2915 (2024)
Shallow-buried, hard, and extra-thick coal seams are very common in Xinjiang, China, but there are relatively few studies on the mine pressure law and the development characteristics of water-flowing fracture zones (WFFZs) during the mining of such c
Externí odkaz:
https://doaj.org/article/6310204b0f8143c685f6d34cb3d36091
Akademický článek
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Akademický článek
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Regional streamflow prediction in northwest Spain: A comparative analysis of regionalisation schemes
Autor:
Juan F. Farfán, Luis Cea
Publikováno v:
Journal of Hydrology: Regional Studies, Vol 47, Iss , Pp 101427- (2023)
Study Region: The present study was conducted in 24 watersheds located in the region of Galicia, in the northwest of Spain, covering an extension of approximately 13,000 km2.Study focus: This study is focused on the application and evaluation of diff
Externí odkaz:
https://doaj.org/article/1fcc4254e0f04d43bec28cb8ecc7538e
Publikováno v:
Assembly Automation, 2022, Vol. 42, Issue 1, pp. 99-108.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/AA-06-2021-0074
Publikováno v:
Assembly Automation, 2022, Vol. 42, Issue 1, pp. 126-133.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/AA-06-2021-0084
Autor:
HAO Yuyu, LI Shugang
Publikováno v:
Meikuang Anquan, Vol 53, Iss 3, Pp 132-139 (2022)
Aiming at the problem of sensor layout in large-scale physical three-dimensional simulation experiment of safe co-mining of coal and gas, through numerical simulation, theoretical analysis, we find the key information points of gas migration and comp
Externí odkaz:
https://doaj.org/article/77260edaa77b48108b5b875c9a750093