Sun, Guoqiang
Yin, Jianguo
Zhang, Shuncun
Lu, Xinchuan
Zhang, Shengyin
Shi, Ji′an
Funding for this research was provided by:
Western Light” Talents Training Program of CAS
Nature Science Foundation of Gansu Province (1308RJZA310)
The Key Laboratory Project of Gansu Province (1309RTSA041)