Xiong, Qiu-lin
Zhao, Wen-ji
Guo, Xiao-yu
Shu, Tong-tong
Chen, Fan-tao
Zheng, Xiao-xia
Gong, Zhao-ning
Funding for this research was provided by:
Special Fund for Doctoral Program of Higher (No. 20111102110004)
National Youth Science Fund (No. 41101404)
Surface Project of the Beijing Municipal Commission of Education Technology Plan (No. KM201110028013)