1. College of Environmental Science and Engineering, Shaanxi University of Science and Technology, Xi'an, China
2. College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an, China
3. Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
4. College of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi'an, China
5. College of Mechanical and Electrical Engineering, Shaanxi University of Science and Technology, Xi'an, China