WU Ling1,2**, GUO Zhen2**, LIAO Kang-Li2, CAO Xiao-Hua3
1. School of Education, Beijing Normal University, Beijing 100875, China; 2. School of Management, Jiujiang University, Jiujiang 332005, China; 3. School of Chemistry and Chemical Engineering, Jiujiang University, Jiujiang 332005, China