论文部分内容阅读
通俗地讲,噪声就 是指人们讨厌听到的声 音。一般来说,低于85 分贝的声音对人的听力 是无害的,而职工们长 期暴露在超过90分贝的 噪声下,则会降低听力, 造成职业性难听和职业 性耳聋。声级越高,暴 露时间越长,危害也越 大。因噪声而造成的职 业性耳聋称为噪声聋。 绝大多数噪声
In a nutshell, noise refers to what people hate to hear. In general, sounds below 85 dB are harmless to people’s hearing, and long-term exposure of workers to noise below 90 dB reduces hearing, detrimental to occupational disorders and occupational deafness. The higher the sound level, the longer the exposure, the harder it is. Occupational deafness due to noise is called noise deafness. Most noise