1. College of Science Xi'an University of Architecture and Technology Xi'an 710055 China
2. Faculty of Science Beijing University of Technology Beijing 100124 China
3. College of Pharmacy Hanzhong Vocational and Technical College Hanzhong 723000 China
4. Department of Electronics and Information Engineering XianYang Vocational Technical College XianYang 712000 China
5. School of Mechatronic Engineering Xi'an Technological University Xi'an Shaanxi 710021 China
6. College of Physics Wuhan University Wuhan 430070 China