Lu, Yuanyao
Liu, Qingqing
Funding for this research was provided by:
National Natural Science Foundation of China (61571013)
Beijing Natural Science Foundation of China (4143061)
Science and Technology Development Program of Beijing Municipal Education Commission (KM201710009003)
Great Wall Scholar Reserved Talent Program of North China University of Technology (NCUT2017XN018013)
Article History
Received: 7 November 2017
Accepted: 29 December 2017
First Online: 1 February 2018
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