Discussions about a Paper Named “Mistakes Occurred in Standard Analysis for Index of Permanganate in the Way of Basicity”;

Discussion on the Masking and Demasking Problem in Analytical Chemistry Teaching Materials of Pharmaceutical Engineering;

Discussion on Technical Issues Concerning Development of Cold-rolling Pipe Mill;

The Successes and Failures of Discuss of the Predecessors about the Poems on Imperial Examinations of Tang Dynasty;

Discussing the Seminar Teaching Way s Role for Postgraduate;

The underground gas burst and gas source in Jincheng area are analysed,the cause of gas explosion in gob is discussed.

Study on application of fly ash in urban sewage treatment and discussions about existing problems;

In this paper, the authors give some discussions on the reasonable value of the alkali content in concrete admixtures;energy save concerned with the application of concrete admixtures;the effect and principles of properly air entraining to concrete;the adaptability of admixtures to active mineral materials;problems relating to the application of expansive admixtures.

Its method mainly has the interview to talk,the case inquiry,the discussion to debate,the collection evaluation case,the manufacture courseware and on-line exchange and so on.

Ten psychological principles in class discussion;

On several forms of class discussion;

In chemical teaching, students’ synthetical ability were improved by using of class discussion in reviewing chemical documents, synthetical analysis and expression in words and oral account.