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本文调查了171名氨作业人员的嗅觉和204人的鼻、咽部粘膜的变化,结果发现低浓度氨(30mg/m~3以下)可使嗅觉减退或丧失,其损害程度与氨浓度,接触时间及工龄成正比,并可引起慢性鼻炎和慢性咽炎。
This paper investigates the sense of smell of 171 ammonia workers and the changes of mucosa of the nose and pharynx in 204 people. The results showed that the low concentration of ammonia (30mg / m ~ 3 or less) can make the sense of smell decrease or lose, the degree of damage is related to the ammonia concentration. Time and length of service is proportional to, and can cause chronic rhinitis and chronic pharyngitis.