Taifei, Zhao
Yingying, Gao
Ying, Zhang
Funding for this research was provided by:
Natural Science Foundation of China (No. U1433110)
The Industrial Public Relation Project of Shaanxi Technology Committee (No.2014K05-18)
Research Project of Shaanxi’s Ministry of Education (No.2013JC09)
Natural Science Basic Research Plan in Shaanxi Province of China (No.2013JQ8011, 2013JC2-15)
Science Program Project of Beilin District in Xi’an (No.GX1302)