本文提出了一个高超声速非烧蚀钝体尾流全流场的简化模型和简化的空气化学模型。
A simplified flow field model and simple air chemical model for the chemical nonequilibrium wakes of hypersonic non-ablating blunt-body are presented.
通过监测地面环境空气中甲烷的含量来分析其来源，能够为大气化学的研究提供非常重要的依据。
The sources of methane by monitoring its concentration in the ground atmosphere was analyzed, which provided important bases for the studying in the atmospheric chemistry.
本文主要论述了室内空气化学性污染的成因以及如何控制污染的具体措施。
The paper mainly describes the causes of indoor air chemical pollution and how to control it.
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