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第八讲花粉是人类生活环境中的致敏源机体对环境污染物的反应强弱取决于污染本身的理化性状,污染物进入人体的剂量、持续作用时间以及个体的敏感性,这种反应能引起机体发生病变而影响人体健康,引起这类反应的现象,称为环境致病因素。影响人体健康的环境因素有化学因素,物理因素,生物因素,对人体健康产生危害主要表现在:急性危
Chapter 8 Pollen is an allergen source in human living environment The response of the organism to environmental pollutants depends on the physical and chemical properties of the pollutants themselves, the dose of pollutants into the human body, the duration of action, and the individual’s sensitivity. The reaction energy Caused by the body lesions and affect human health, causing such a reaction phenomenon, known as the environmental risk factors. Environmental factors affecting human health have chemical, physical, biological factors, the main hazards to human health are: acute