Luo, Tianqi http://orcid.org/0000-0002-8803-0663
Long, Shujun
Funding for this research was provided by:
Fundamental Research Fund of Sichuan Provincial Science and Technology Department (2013JYZ014, 2012JYZ019)
National Natural Science Foundation of China (11271270)
Project of Leshan Normal University (Z1324)