Zobrazeno 1 - 5
of 5
pro vyhledávání: '"mining water hazards"'
Publikováno v:
Meikuang Anquan, Vol 54, Iss 10, Pp 176-181 (2023)
In order to solve the prediction problem of water inrush from coal seam floor, a prediction model of water inrush from coal seam floor based on principal component analysis and Logistic regression method was proposed. Through the analysis of the risk
Externí odkaz:
https://doaj.org/article/da10e5ece5884b01ae00763b2e75678e
Publikováno v:
Meikuang Anquan, Vol 54, Iss 5, Pp 78-83 (2023)
Aiming at the problems of low prediction accuracy for the height of water-conducting fracture zone and difficult parameters optimization, we propose a guide height prediction method based on improved sparrow search algorithm SSA optimized BP （LC-SS
Externí odkaz:
https://doaj.org/article/87d26c48e41f4429bbdbea8f3f98d84e
Publikováno v:
Meikuang Anquan, Vol 54, Iss 5, Pp 133-139 (2023)
Taking Xinji No.2 mine in Xinji Mining Area as the research object, with the help of the field advantage of the floor rock roadway in the mining area, the monitoring array effects under different combinations of coal roadway and floor rock roadway we
Externí odkaz:
https://doaj.org/article/10ef076da4b948f7856d720267568978
Publikováno v:
Meikuang Anquan, Vol 54, Iss 5, Pp 35-41 (2023)
In order to systematically study the water environment problems of coal mine, we study and conclude the destruction mechanism and characteristics of coal mining on the water environment of coal mine by statistics on the water environment problems in
Externí odkaz:
https://doaj.org/article/f26d0067001647dc86f8765583c39feb
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