Wang, Guofeng
Zhang, Yanchao
Liu, Chang
Xie, Qinglu
Xu, Yonggang
Funding for this research was provided by:
National Natural Science Foundation of China (51175371, 51420105007)
National Science and Technology Major Projects (2014ZX04012-014)
Tianjin Science and Technology Support Program (13ZCZDGX04000, 14ZCZDGX00021)
Article History
Received: 6 December 2014
Accepted: 6 June 2016
First Online: 13 June 2016