Funding for this research was provided by:
the National Natural Science Foundation of China (No. 51401130)
the Program for Liaoning Innovative Research Team in University (No. LT2015020)
Hebei Province higher education science and technology research project (Grant No. ZD2017309)
the Scientific and Technological Research and Development Plan of Qinhuangdao City (201701B063)
the Natural Science Foundation (Grant No. 51704064)
Northeastern University at Qinhuangdao Campus Research Fund (XNK201602)