1. Beifang University of Nationalities, School of Chemistry and Chemical Engineering, Yinchuan City 750021, CN (Corresponding author), e-mail: Dong-Li Zhang zdlsir@163.com
2. Beifang University of Nationalities, School of Chemistry and Chemical Engineering, Yinchuan City 750021, CN
3. Xi’an Jiaotong University, State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi'an, Shaanxi 710049, CN