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ce ding kong qi zhong yang qi han liang de shi yan tan jiu yu fan si
Author(s): 
Pages: 12-14
Year: Issue:  4
Journal: EDUCATION IN CHEMISTRY

Keyword:  质疑探究;
Abstract: 针对学生在测定空气中氧气的体积含量的实验中提出的质疑,师生一起展开了大量的实验探究,并对用红磷测定空气中氧气的体积含量的实验提出了建议和改进方法.
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