Xiao, Fangzhu
Peng, Guowen
Ding, Dexin
Dai, Yimin
Funding for this research was provided by:
The National Natural Science Foundation of China (1205084)
The Foundation of Hunan Province Science and Technology Department (2014GK3079, 2012GK3132)
The social development and science & technology support of Hengyang city (No.2014KS26)