1998年6月5日至9日受联合国教科文组织委托，首都师范大学基础教育研究所在宁夏大学化学与化工系举办国外中学化学实验培训班．本文选择了其中一些实验加以介绍，供老师们参考或选做．一．吸烟中有害成分的简易检验烟草制品在燃烧时所产生的烟雾中，含有上千种目前已鉴定出来的 From June 5th to 9th, 1998, commissioned by UNESCO, the Institute of Basic Education of Capital Normal University held a training class on chemistry experiment for foreign middle schools in the Department of Chemistry and Chemical Engineering of Ningxia University. This article selected some of the experiments to be introduced for teachers to refer to or choose to do. one. Simple test of harmful components in smoking contains more than a thousand types of smoke that have been identified during the burning of tobacco products.