Qian, Ping
Zhi, Xianwei
Wang, Bo
Zhang, Huawei
Chen, Huanchun
Li, Xiangmin
Funding for this research was provided by:
the National Programs for High Technology Research and Development of China (2011AA10A212)
Research and Technological Development project of Guangxi Province (14125008-2-18)
Fundamental Research Funds for the Central Universities (2010PY001, 2011PY050)