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论述了N0x对人体的危害,调查了部分隧道NO2的含量,在分析国内外相关行业标准NO2取值的基础上,结合调查结论,提出了我国公路隧道NO2浓度的建议值。
Discusses the harm of N0x to the human body and investigates the content of NO2 in some tunnels. Based on the analysis of the relevant industry standards NO2 both at home and abroad, and based on the conclusion of the investigation, the proposed value of NO2 concentration in highway tunnels is put forward.