Pu, Jin
Han, Yan
Funding for this research was provided by:
NCET (NCET-12-1060)
the Sichuan Youth Science and Technology Foundation (2011JQ0019)
FANEDD (201319)
the Innovative Research Team in College of Sichuan Province (13TD0003)
Sichuan Natural Science Foundation (16ZB0178)
the starting fund of China West Normal University (14D014)