Xie, Jia
Hu, Yu-pu
Gao, Jun-tao
Gao, Wen
Funding for this research was provided by:
National Natural Science Foundation of China (61173151)
National Natural Science Foundation of China (61472309)
National Natural Science Foundation of China (61303217)
Fundamental Research Funds for the Central Universities, China (JB140115)
Natural Science Foundation of Shaanxi Province, China (2013JQ8002)
Natural Science Foundation of Shaanxi Province, China (2014JQ8313)