Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Xiongde Ma"'
Autor:
Jiaxin Bian, Tao Hou, Dengjun Ren, Chengsen Lin, Xiaoying Qiao, Xiongde Ma, Ji Ma, Yue Wang, Jingyu Wang, Xiaowei Liang
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract Disasters caused by mine water inflows significantly threaten the safety of coal mining operations. Deep mining complicates the acquisition of hydrogeological parameters, the mechanics of water inrush, and the prediction of sudden changes in
Externí odkaz:
https://doaj.org/article/082102bebe8c4332bbd14d5ff95b4621
Autor:
Limin FAN, Kui SUN, Wanchao MA, Jian HU, Xiongde MA, Jianwen WANG, Liqun WU, Yanping MIAO, Hui RONG
Publikováno v:
Meitan xuebao, Vol 49, Iss 2, Pp 917-928 (2024)
In the past ten years, the coal mining operation in the northern part of the Ordos Basin has been frequently threatened by the groundwater of the Zhiluo Formation, and even some water inrush accidents have occurred. In the area, the mines with the gr
Externí odkaz:
https://doaj.org/article/5aae56deefc3489b80b9d476e1510283
Autor:
Limin Fan, Xiongde Ma
Publikováno v:
International Journal of Coal Science & Technology, Vol 5, Iss 4, Pp 411-416 (2018)
Abstract Yushenfu mining area is located in an ecological fragile area in western China, the coal seam of which is the Jurassic Yan’an Formation. The Jurassic Yan’an Formation contains five minable coal seams, the top layer of which is thick, cov
Externí odkaz:
https://doaj.org/article/f681a4a5d94d4b2d9100c771631fcdb0
Autor:
Xiaojing Wang, Faming Huang, Xuanmei Fan, Himan Shahabi, Ataollah Shirzadi, Huiyuan Bian, Xiongde Ma, Xinxiang Lei, Wei Chen
Publikováno v:
Environmental Earth Sciences. 81
Publikováno v:
2011 International Symposium on Water Resource and Environmental Protection.
In arid and semi-arid regions, water is a major limited factor to vegetation and environment. To study the influence of membranes on water retention, three homogeneous sand columns with membranes were installed. Keep the height of free water at 5cm a
Publikováno v:
2011 International Symposium on Water Resource & Environmental Protection (ISWREP); 2011, p1590-1593, 4p
Publikováno v:
Science in China Series E. 47:25
Conversion relationships between the river and groundwater in the Yellow River drainage area are studied in this paper based on the geologic and physiognomy conditions and the data of the groundwater regime, isotope, groundwater flow field and field