QQ客服 官方微博 反馈留言

浏览/检索结果: 共5条，第1-5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 Geochemical Evaluation of Enrichment of Rare-Earth and Critical Elements in Coal Wastes from Jurassic and Permo-Carboniferous Coals in Ordos Basin, China 期刊论文 NATURAL RESOURCES RESEARCH, 2020, 卷号: 29, 期号: 3, 页码: 1731-1754 作者:  Hussain, Rahib;  Luo, Kunli 收藏  |  浏览/下载：15/0  |  提交时间：2020/05/19 China  Coal ash  Jurassic coal  Permo-Carboniferous coal  Rare-earth recovery  Critical elements   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：15/0  |  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   Geochemical valuation and intake of F, As, and Se in coal wastes contaminated areas and their potential impacts on local inhabitants, Shaanxi China 期刊论文 ENVIRONMENTAL GEOCHEMISTRY AND HEALTH, 2018, 卷号: 40, 期号: 6, 页码: 2667-2683 作者:  Hussain, Rahib;  Luo, Kunli 收藏  |  浏览/下载：38/0  |  提交时间：2019/05/23 Cambrian  Fluoride  Jurassic  Selenium  Toxicity  Weibei coalfield   Late Paleozoic macrofloral assemblages from Weibei Coalfield, with reference to vegetational change through the Late Paleozoic Ice-age in the North China Block 期刊论文 INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2010, 卷号: 83, 期号: 2-3, 页码: 292-317 Wang, Jun (王军) 收藏  |  浏览/下载：14/0  |  提交时间：2012/08/15 A new species of Discinites (Noeggerathiales) from the Upper Permian of Weibei Coalfield, North China 期刊论文 Review of Palaeobotany and Palynology, 2000, 卷号: 110, 期号: 3-4, 页码: 175-190 作者:  Wang, J (王军);  Shen, GL 收藏  |  浏览/下载：15/0  |  提交时间：2012/08/18