Wang, Meizhu
Zhi, Dejuan
Wang, Haiqing
Ru, Yi
Ren, Hui
Wang, Na
Liu, Yiyao
Li, Yang
Li, Hongyu
Funding for this research was provided by:
Ministry of Science and Technology (2012DFA30480)
Gansu Province science and technology (1002WKDE055)
Gansu Province Scientific Research Project Fund (090WCGA900)
Fundamental Research Funds for the Central Universities of China (lzujbky-2014-147)