Wu, Bowan
Zhao, Wengao
Hou, Lijie
Zhang, Tiantian
Yang, Chun
Funding for this research was provided by:
the Applied Chemistry Key Subject of Gansu Province, China (GSACKS20130113)
The Youth Science and Technology Innovation Projects of Longdong University, China (XYZK1512)
the Natural Science Foundation of Gansu Province, China (No. 1208RJZM289)
the Doctor Foundation of Longdong University, China (XYBY07)