1. Key Laboratory of Petroleum Resources
2. Gansu Province/Key Laboratory of Petroleum Resources Research
3. Institute of Geology and Geophysics
4. Chinese Academy of Sciences
5. Lanzhou 730000
6. CAS Key Laboratory Nuclear Radiation & Nuclear Energy Technology
7. and Multidisciplinary Initiative Center
8. Institute of High Energy Physics
9. Beijing 100049
10. Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province
11. Lanzhou Institute of Chemical Physics
12. China
13. Institute of Plasma Physics
14. Hefei 230031
15. PR China