可燃蒸气、气体或粉尘与空气组成的混合物遇火源即能发生爆炸的最低浓度（可燃蒸气、气体的浓度，按体积比计算）
依据国际标准介绍粉末涂料爆炸下限的计算方法。
This paper introduces computation of the lowest explosive limit for powder coatings on the basis of international standard.
这是在丙酮蒸汽爆炸下限浓度左右的一个重要浓度范围。
This is an important range which is at about the concentration of the lowest explode limit of acetone vapor.
文章就闪点与爆炸下限作为危险性判据相抵触的问题进行了探讨。
The conflicting problem of flash point and lower explosive limit as a criterion of hazard is studied in this paper.
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