20110001 Chi Han (State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Beijing 100083, China); Li Chusi Shock-Metamorphosed Zircons in the Fragments of the Sudbury Brecc...20110001 Chi Han (State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Beijing 100083, China); Li Chusi Shock-Metamorphosed Zircons in the Fragments of the Sudbury Breccias, Ontario, Canada (Earth Science Frontiers, ISSN1005-2321, CN11-3370/P, 17(1), 2010, p.86-92, 5 illus., 42 refs.)Key words: meteorite impacts, suevite, Canada It is widely accepted that the Sudbury structure formed by large bolide impact. To find more supporting evidences, the authors used展开更多
According to a recent document released by the State Development and Reform Commission (SDRC), the investment in copper smelting by China’s enterprises will be put under strict control so as to prevent the blind inve...According to a recent document released by the State Development and Reform Commission (SDRC), the investment in copper smelting by China’s enterprises will be put under strict control so as to prevent the blind investment and duplication in copper smelting projects at low technical standard. The document stipulated a series of conditions including equipment, technology, energy consumption and environmental protection.展开更多
文摘20110001 Chi Han (State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Beijing 100083, China); Li Chusi Shock-Metamorphosed Zircons in the Fragments of the Sudbury Breccias, Ontario, Canada (Earth Science Frontiers, ISSN1005-2321, CN11-3370/P, 17(1), 2010, p.86-92, 5 illus., 42 refs.)Key words: meteorite impacts, suevite, Canada It is widely accepted that the Sudbury structure formed by large bolide impact. To find more supporting evidences, the authors used
文摘According to a recent document released by the State Development and Reform Commission (SDRC), the investment in copper smelting by China’s enterprises will be put under strict control so as to prevent the blind investment and duplication in copper smelting projects at low technical standard. The document stipulated a series of conditions including equipment, technology, energy consumption and environmental protection.
