Lin, Yun
Wang, Can
Ma, Chunguang
Dou, Zheng
Ma, Xuefei
Funding for this research was provided by:
The Key Development Program of Basic Research of China (JCKY2013604B001)
The Nation Nature Science Foundation of China (No.61301095 and No.61201237)
Nature Science Foundation of Heilongjiang Province of China (No. QC2012C069, F201408 and F201407)
The Fundamental Research Funds for the Central Universities (No. HEUCF1508)