QQ客服 官方微博 反馈留言

浏览/检索结果: 共2条，第1-2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 Height Prediction of Water Flowing Fractured Zone and Thickness Effect of Long Wall Caving in Thick Loose Seam with Weak Cementation 会议论文 9th China-Russia Symposium on Coal in the 21st Century - Mining, Intelligent Equipment and Environment Protection, OCT 18-21, 2018 作者:  Lu, Yao;  Wang, Changxiang;  Wang, Wenbo;  Sun, Chuanping;  Zhang, Buchu 收藏  |  浏览/下载：10/0  |  提交时间：2019/12/31 transfer rock beam theory  water-conducting fractured zone  ratio test  mining thickness effect   Improvement of the U-shaped steel sets for supporting the roadways in loose thick coal seam 期刊论文 INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES, 2013, 卷号: 60, 页码: 19-25 作者:  Song, Liang;  Wang, Xin-Zhi;  Jiao, Yu-Yong;  Adoko, Amoussou Coffi 收藏  |  浏览/下载：15/0  |  提交时间：2018/06/05 Ground support  Coal roadway  Loose thick coal seam  Chemical grouting material  U-shaped steel sets