Sixty Years of Chemical Education in China
N-Nitroso-compounds and Cancer
Comoilina Plot of Trial Textbook "Chemistry" for Junior Middle Schools Based on "6.3"System of The Nine-Years Compulsory Education
How to Retlect Capacity-fostering in Chemical Teaching Materials for Middle Schools
Intorducing Skill in Chemical Teaching
The Skill of Making Questions in Classroom Chemical Teaching
Photochemical Experiment of the Mixed Gas of H2 and Cl2
Preperation of Mcthane Using Plant Ash and Acetic Acid
The Choice of Extracting Agents for Bromine-water
An Improvement for Kipp's Generator
The Atnonnt of Substances and The Related Calculational Methods
The New Vicw Point about Reaction Rate
The Colour of Sodium Peroxide
Tracking Down the Origin of Potassium and Potash Fertilizer