Zang, Fei
Wang, Shengli
Nan, Zhongren
Ma, Jianmin
Wang, Yu
Chen, Yazhou
Zhang, Qian
Li, Yepu
Funding for this research was provided by:
the Supervision of Ph D. Degree Fund of Chinese Ministry of Education (20120211110018)
the Fundamental Research Funds for the Central Universities in Lanzhou University (lzujbky-2015-150, lzujbky-2016-261)
the National Natural Science Foundation of China (91025015,51178209, 41501337)