论文部分内容阅读
无论是在街头,还是在地铁里,随处可见戴着耳机听音乐的年轻人。他们也许不知道,“听力杀手”就隐藏在自己耳边。同仁医院耳鼻喉头颈外科主任医师张华表示,现在年轻人在嘈杂环境里戴耳机现象非常普遍,一般外部环境噪声超过60分贝,往往就要开大耳机音量。当声音达到90分贝以上,并连续一个小时,就可能对听力造成永久性伤害。在噪声85至90分贝的环境下长期工作若干年,造成耳聋的几率达到26%。据张华介绍,近来,已有因外部噪
Whether in the streets, or in the subway, you can see young people wearing headphones to listen to music everywhere. They may not know, “Hearing Killer ” is hidden in their own ears. Department of Otorhinolaryngology Head and Neck Surgery, Chief Physician Zhang Hua said that now young people wearing headphones in a noisy environment is very common, the general external ambient noise of more than 60 dB, often have to open a large headphone volume. When the sound reaches more than 90 dB and lasts for an hour, it can cause permanent damage to the hearing. Long-term work in a noise environment of 85 to 90 dB for several years leads to a 26% chance of deafness. According to Zhang Hua introduced recently, there have been external noise