Lv, Jian-Meng
Guo, Xiao-Min
Chen, Bo
Lei, Qi
Pan, Ya-Juan
Yang, Qian
Funding for this research was provided by:
The Shaanxi Province Scientific and Technological Research and Development Program (No. 2004K14-G, No.2010, K01-154)
Shaanxi Province Natural Science Foundation Research Program (No.2014JM4131)