Chen, Zexiong
Liu, Guohua
Liu, Yiqing
Xian, Zhiqiang
Tang, Ning
Funding for this research was provided by:
Scientific and Technological Research Program of Chongqing Municipal Education Commission (KJ1401103)
Natural Science Foundation of Chongqing (cstc2012jjA80018, cstc2014jcyjA80035)
National Natural Science Foundation of China (31200512)
Scientific Research Foundation of Chongqing University of Arts and Science of China (Z2011RCYJ07)