XU Wen-Hui1,2, QIAN Yang-Yi2, WANG Li-Xin3, LIN Jian-Fen4, TANG Wen-Xiu2
1. Dongguan Senior Middle School, Dongguan 523000, China;
2. Institute of Chemistry Education and Resources, South China Normal University, Guangzhou 510006, China;
3. College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China;
4. Shenzhen Baoan Middle School(Group) Experimental School, Shenzhen 518101, China