1. College of Chemistry and Chemical Engineering
2. Northwest Normal University
3. Lanzhou
4. P. R. China
5. Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
6. State Key Laboratory of Applied Organic Chemistry
7. Key Laboratory of Special Function Materials and Structure Design
8. Ministry of Education
9. Lanzhou University Gansu
10. Key Laboratory for New Molecule Material Design and Function of Tianshui Normal University
11. Tianshui