XU Min-Shan1,2, QIAN Yang-Yi2**, WANG Li-Xin3, CHEN Bo-Yin4, FAN Wan-Zhen5
1. Conghua District Second Middle School, Guangzhou 510920, China;
2. Institute of Chemistry Education and Resources, South China Normal University, Guangzhou 510006, China;
3. School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China;
4. Guangzhou No. 7 Middle School, Guangzhou 510080, China;
5. Guangdong Guangya High School, Guangzhou 510106, China