Li, Peng
Liang, Shujun
Li, Zhenzhong
Zhai, Yan
Song, Yan
Funding for this research was provided by:
Shanxi Province Foundation for Youths (201505027)
Shanxi Scholarship Council of China (CN) (2012107)
the Program for the innovative Talents of Taiyuan Institute of Technology( (TITXD201403)