Zhang, Jing
Lv, Xuefei
Feng, Wei
Li, Xiaoqiong
Li, Kunjie
Deng, Yulin
Funding for this research was provided by:
National Special R&D Programmer for Key Scientific Instruments and Equipment (2012YQ04014001)
Beijing Institute of Technology Research Foundation (3160050321211)
Article History
Received: 23 April 2018
Accepted: 28 June 2018
First Online: 7 July 2018
Compliance with ethical standards
: The author(s) declare that they have no competing interests.