Li, Zhenni
Peng, Bo
Deng, Ziwei
Funding for this research was provided by:
National Natural Science Foundation of China (51203087, 51473089)
Science and Technology Program of Shaanxi Province (2015KJXX-20)
Natural Science Basic Research Plan in Shaanxi Province of China (2013JQ2006)
Fundamental Research Funds for the Central Universities (GK201503039, GK201501002, GK201301002, GK201101003)