1. Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province and State Key Laboratory of Applied Organic Chemistry Lanzhou University Gansu
2. Lanzhou
3. P.R. China
4. School of Information Science and Engineering
5. Lanzhou University
6. Lanzhou 730000
7. China
8. Institute of Metal Research
9. Chinese Academy of Sciences
10. Shenyang 110016