1. School of Resource and Environmental Engineering Wuhan University of Science and Technology Wuhan China
2. Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources Wuhan University of Science and Technology Wuhan China
3. School of Mathematics and Computer Science Wuhan Polytechnic University Wuhan China
4. Changjiang Survey, Planning, Design and Research Co., Ltd. Wuhan China