In the classroom teaching ofheatofcombustion, we should first introduce combustion reaction and then lead to basic concept about it and about standard combustion reaction.
在燃烧热的课堂教学中,先介绍燃烧反应,再引出燃烧热、标准燃烧热的概念。
2
Meanwhile, a new method is introduced to determine the combustionheatof the less combustible substances by abding a standard substance.
对用氧弹测定易燃物质燃烧热的压片方法进行了改进。
3
The national primary standardofcombustionheat was completely improved.