QQ客服 官方微博 反馈留言

浏览/检索结果: 共4条，第1-4条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Numerical simulation and experimental study on floor failure mechanism of typical working face in thick coal seam in Chenghe mining area of Weibei, China 期刊论文 ENVIRONMENTAL EARTH SCIENCES, 2020, 卷号: 79, 期号: 5, 页码: 22 作者:  Li, Ang;  Ma, Qiang;  Lian, Yanqing;  Ma, Li;  Mu, Qian 收藏  |  浏览/下载：16/0  |  提交时间：2020/06/03 Chenghe mining area  No  5 coal seam  Mining under safe water pressure of aquifer  Floor failure depth  Numerical simulation   Numerical Simulation of Water Flow from the Coal Seam Floor in a Deep Longwall Mine in China 期刊论文 MINE WATER AND THE ENVIRONMENT, 2016, 卷号: 35, 期号: 2, 页码: 243-252 作者:  Yin, Huiyong;  Wei, Jiuchuan;  Lefticariu, Liliana;  Guo, Jianbin;  Xie, Daolei 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/16 Groundwater inflow  Failure depth of coal seam floor  Damage zone  Shear  stress-fracture   Development and Application of "Down Three Zones" Theory on Mining Safety Evaluation above Confined Water 会议论文 International Symposium on Safety Science and Technology, SEP 24-27, 2008 作者:  Zhang Wenquan;  Hu Yanhui;  Ren Yanghui;  Sun Ming;  Yu Zhipeng 收藏  |  浏览/下载：7/0  |  提交时间：2019/12/31 "Down Three Zones" theory  permeable failure depth in the coal seam  floor  the rise of confined water  protection strata  water-impedance  coefficient  water inrush from coal seam floor   ESTABLISHMENT AND APPLICATION OF GREY-NEURAL NETWORK MODEL FOR FORECASTING FAILURE DEPTH OF COAL SEAM FLOOR (CPCI-S收录) 会议 作者:  Xu, Ji-Yin[1];  Dai, Hong-Bao[2] 收藏  |  浏览/下载：1/0  |  提交时间：2019/04/11 grey-neural network  correlation degree  failure depth of coal seam floor