Liu, J. Y.
Yang, X.
Sun, X. D.
Zhuang, C. C.
Xu, F. B.
Li, Y. F.
Funding for this research was provided by:
Ph.D. Programs Foundation of Ministry of Education of China (20132325110001)
Natural Science Foundation of Heilongjiang Province of China (C201425)
National Natural Science Foundation Project (31372496)