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1.噪声的危害(1)噪声会使人的听力下降,甚至造成耳聋。噪声强度越大、频率越高、作用时间越长,对听觉器官的损害就越大。轻的会引起暂时性听阈偏移,重的会产生噪声性听力损伤乃至噪声性耳聋。据国外统计,在不同噪声级下长期工作会造成不同比例噪声性耳聋(见表1)。(2)噪声影响人体健康。强烈的噪声刺激会使神经、心脏及消化系统产生一系列不良反应,甚至诱发某些疾
1. Noise hazards (1) the noise will make people’s hearing loss, or even cause deafness. The greater the noise intensity, the higher the frequency, the longer the duration of action, the greater the damage to the hearing organ. Light can cause temporary hearing threshold shift, heavy noise-induced hearing loss and even noise deafness. According to foreign statistics, long-term work under different noise levels can cause different proportions of noise-induced deafness (Table 1). (2) Noise affects human health. Strong noise stimulation can cause a series of adverse reactions in the nerve, heart and digestive system, and even induce certain diseases