GSTDTAP

浏览/检索结果: 共3条,第1-3条 帮助

限定条件        
已选(0)清除 条数/页:   排序方式:
Characteristics of the global copper raw materials and scrap trade systems and the policy impacts of China's import ban 期刊论文
ECOLOGICAL ECONOMICS, 2020, 172
作者:  Hu, Xiaoqian;  Wang, Chao;  Lim, Ming K.;  Chen, Wei-Qiang
收藏  |  浏览/下载:8/0  |  提交时间:2020/07/02
Copper raw materials  Copper waste and scrap  Multiplex trade network  Evolution and correlation  Policy impacts  China'  s import ban  
Without fossil fuels, reactors churn out chemicals 期刊论文
Science, 2020
作者:  Robert F. Service
收藏  |  浏览/下载:14/0  |  提交时间:2020/05/13
U.S. Mine Production Increasing, Estimated Value of $86.3 Billion in Minerals 新闻
来源平台:US Geological Survey. 发布日期:2020
作者:  admin
收藏  |  浏览/下载:14/0  |  提交时间:2020/05/27