Zhang, Yu
Chen, Yulong
Yu, Rangang
Hu, Liangqiang
Irfan, Muhammad
Funding for this research was provided by:
National Natural Science Foundation of China (51409261)
Natural Science Foundation of Shandong Province (ZR2014EEQ014)
Applied Basic Research Programs of Qingdao (14-2-4-67-jch)
Fundamental Research Funds for the Central Universities (16CX05002A)