[1] Technical Institute of Physic and Chemistry Chinese Academy of Sciences
[2] Civil and Environment Engineering College University o f Science and Technology Beijing
[3] NERC for Comprehensi ve Utilization of Metallic Mineral Resources Beijing General Institute of Minin g & Metallurgy
[4] Technical Institute of Physic and Chemistry Chinese Academy of Sciences Be ijing
[5] China
[6] Beijing
[7] Be ijing