Lin, Qiu
Qi, Ruisheng
Funding for this research was provided by:
Fundamental Research Funds for the Central Universities (N110323010)
Fundamental Research Funds for the Central Universities (N130323015)
Science and Technology Research Founds for Colleges and Universities in Hebei Province (Z2014040)
the Research Fund for Northeastern University at Qinhuangdao (XNB201429)
the Natural Science Foundation of HeBei Province (A2015501102)