Acid Rain
A Good Article for Chemistry Teachers of Junior Middle Schools
Teaching Chemical Concepts in Junior Middle Schools
An Investigation on Chemistry Learning of Grade One Students of Senior Middle Schools
Practice and Thinking of Chemistry Experiment Teaching——A Reform on Examination in Chemistry Experiment Course of Junior Middle Schools
Plotting Problems in Chemical Caicuiation
The Problems for the National Chemical Competition in 1996
From Molecular Constitution to Molecular Configuration and Molecular Conformation (Part Ⅲ)