Funding for this research was provided by:
National Natural Science Foundation of China (61377080)
National Natural Science Foundation of China (61771385)
Key Industrial Innovation Chain Project of Shaanxi Province (2017ZDCXL-GY-06-01)
Xi'an Science and Technology Planning Project (2017080CG/RC043(XALG015))
Natural Science Basic Research Program (2018JQ6032)
Article History
Received: 2 April 2018
Accepted: 16 August 2018
First Online: 23 November 2018