90 影响健康的主要化学因素 一次污染物和二次污染物 举例: OZONE NOx+VOC+Heat Sun ight=Ozone Goundae or bad wore srotemitted drect 1.无机汞和甲基汞污染 rto teat b t seated by cenialrext ons between NO and Wo((s in the presnce o heat s sunight. 2.汽车尾气和光化学烟雾 Emissions frcm indusrial bclt'es and electric urities mo vehice ahaus gasdine vapors and chemica sdhertsae NOn, and latile organic compounds (. Environmental Hygiene. 2018Environmental Hygiene. 2018 影响健康的主要化学因素 •一次污染物和二次污染物 •举例： 1. 无机汞和甲基汞污染 2. 汽车尾气和光化学烟雾