Liu, Li
Zhao, Xiaolong
Ma, Cuiyong
Chen, Xilei
Li, Shaoxiang
Jiao, Chuanmei
Funding for this research was provided by:
National Natural Science Foundation of China (No.51106078, No.51206084)
University Research and Development Projects Shandong Province (J14LA13)
Major Special Projects of Science and Technology from Shandong Province (2015ZDZX11011)