title: CONTINUOUS MEASUREMENT OF OXIDES OF NITROGEN IN AUTO EXHAUST.
mesh_terms: D003124:Colorimetry; D006801:Humans; D009584:Nitrogen; D009585:Nitrogen Dioxide; D010087:Oxides; D013057:Spectrum Analysis; D001335:Vehicle Emissions
chemical_list: D010087:Oxides; D001335:Vehicle Emissions; D009584:Nitrogen; D009585:Nitrogen Dioxide
keywords: AUTOMOBILE EXHAUST; COLORIMETRY; NITROGEN; NITROGEN DIOXIDE; SPECTRUM ANALYSIS