摘要
主要阐述了我国此次雾霾天气的原因及国内PM2.5监测进展、PM2.5的化学组成和致病机理,以及国内外在PM2.5对人体健康影响方面的研究成果。PM2.5较粒径大的颗粒能吸附更多的有害物质,并越过人体防御屏障进入体内,造成更大的危害。流行病学相关研究表明,PM2.5浓度上升能够引起人体心肺疾病发生率、死亡率的显著增加;毒理学相关研究表明,PM2.5对人体呼吸系统、心血管系统、生殖系统、血液系统和免疫系统等均有毒性作用。
In the discussion of the recently domestic heavy haze causes, this paper states the progress of monitoring of PMz5 concentration, the chemical characteristics and pathogenesis of PMzs, and research achievements of PMz5 impacts on human health at home and abroad. More detrimental substances, which could easily intrude into human body without obstructed by immune system, absorbs on PM2.5 compared to larger particles. Epidemiological researches have shown a strong positive correlation between PM2.5 concentration and cardiopulmonary diseases morbidity and mortality. Toxicological studies have indicated PM2.5 poses toxic effects on respiratory system, cardiovascular system, reproductive system, blood system and immune system.
出处
《环境科技》
2013年第4期75-78,共4页
Environmental Science and Technology
