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PM2.5对人体的健康危害的研究进展
细颗粒物质是大气中固体和液体颗粒物的总的称呼，按直径的大小分为PM10和PM2.5，其中PM2.5的为空气动力学当量直径小于2.5um的颗粒物质，也是对人体健康危害大的颗粒物质。很多的有害的物质或化学物质都吸附在细颗粒物上，通过呼吸道进入人体，对人体的健康产生巨大的毒害作用。
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空气污染对变应性鼻炎发病的影响
The incidence of allergic rhinitis is increasing with the development of the city and industrial mech anization.The human living environment changes greatly,and air quality has deteriorated sharply,leading to a series of diseases (such as allergic rhinitis,asthma,allergic conjunctivitis).Although the pathogenesis of allergic rhinitis is relatively complex,however it is confirmed that its pathogenesis has a relation with the air pollution.Allergic rhinitis bring great inconvenience to patients in daily life.Thus,it is very important to study the process of air pollution causing allergic rhinitis.This article mainly expounded the prevalence of allergic rhinitis,outdoor air pollution (SO2,O3,NO2,fine particulate matter,greenhouse gases) and indoor air pollution (volatile organic compounds,ETS).Additionally,the mechanism of allergic rhinitis caused by air pollution was further explored,and how to avoid the happening of the disease was discussed.
