1. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics Chinese Academy of Sciences Lanzhou China
2. School of Chemistry and Chemical Engineering Lanzhou Jiaotong University Lanzhou China
3. Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences Beijing China
4. AECC Beijing Institute of Aeronautical Materials Beijing China
5. College of Petrochemical Technology Lanzhou University of Technology Lanzhou China