Chang, Fangzhi
Li, Hairong
Zheng, Bo
Qian, Kun
Lei, Qi
Han, Genliang
Song, Yuzhe
Shao, Pengfei
Funding for this research was provided by:
The Provincial Natural Science Foundation of Gansu (1606RJZA026)
Scientific and Technological Project of Chengguan District of Lanzhou (2016-2-4)