Lu, Jingge
Wang, Guodong
Pan, Zhenkuan
Funding for this research was provided by:
National Natural Science Foundation of China (61305045)
National “Twelfth Five-Year” development plan of science and technology (2013BAI01B03)
Qingdao science and technology development project (13-1-4-190-jch)
National Natural Science Foundation of China (CN) (61170106)