Hydrogen and Society
A Brief Introduction to SOD
How to Bring the Initiative of Students into Full Play in the Course of Chemical Teaching
The Skill of Integrating Knowledge with Emotion in Classroom Teaching--Creating An Exciting State for Thinking Activity
An Investigation on Interest of Learning Chemistry for Junior Middle School Students
A Demonstration Experiment on Burning Conditions
An Improvement on the Experiment of Burning of Sodium in Chlorine
An Improvement on the Experiment of Photodecomposition of Chlorine Water
Discussion on Three Problems Dealing with Electrolyte Solution
An Analysis of Experimetal Test of Henan Province Senior Middle School Chemistry Contest in 1993
A History Story on Manufacture