Guo, Peng
Wei, Hongxu
Zhang, Wanjun
Yang, Baoling
Bao, Yajing
Funding for this research was provided by:
Natural Science Foundation of China (31170168)
The national Spark Program project (2013GA651006)
Liaoning province science and technology plan (2011209001)
Program for Liaoning Excellent Talents in University (LR2013055)
National Torch Plan Project (2012GH531899)