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浅淡水泥厂噪声对人体的危害范洁葫芦岛市中心医院李政峰朝阳市电视大学马文樵朝阳市卫生学校（朝阳１２２０００）１噪声来源及其分类噪声泛指一切对人们生活和工作有妨碍的声音。凡使人们烦恼、不愉快的声音都叫噪声。工业噪声按产生方式不同可分为：（１）空气动力性噪...
Shallow cement factory noise on human health Fan Jie Huludao downtown center Li Zhengfeng Chaoyang TV University Chaowen Chaoyang City Health School (Chaoyang 122000) 1 noise sources and their classification Noise refers to all the people’s lives and work have obstructed voice. All the annoyances and annoyances of people are called noises. Industrial noise by different ways can be divided into: (1) aerodynamic noise ...