NO2 And zero moles of the NO2.

零摩尔的。

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Then came game No2. Fulham 1-0 Arsenal.

紧接着第二场比赛，0-1输给了富勒姆。

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As an air pollutant, NO2 has several correlated activities.

作为一种空气污染物，二氧化氮具有几个相关联的活动。

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The limit, set by the European Union, is 40 micrograms of NO2 per cubic metre of air.

BBC: Dundee Biomass Centre

Four years ago, Cotswold District Council made an Air Quality Management Area Order because the NO2 levels at the Air Balloon roundabout exceeded the recommended thresholds.

BBC: Google

He was made aware of the concerns by a Cotswold councillor asking what could be done about high levels of nitrogen oxide (NO2) in the area off the A417.

BBC: Google