论文部分内容阅读
一切惹人讨厌、令人烦躁、不愿意听的声音都被称为噪声,它广泛存在于生活和生产过程中,严重的噪声污染环境,影响人们的休息、学习和工作,危害人体健康,甚至会造成耳聋等永久性疾病。造船行业中,作业人员听力受损是最为普遍的职业伤害,表1是某造船厂9年来对接触噪声的作业人员进行听力检测的情况,异常人员平均占比高达37.2%。为减少和防止噪声危害,必须充分认识噪声特性,切实采取有效的防护措施。
All annoying, annoying, unwilling to hear the voices are called noise, it exists widely in the life and production process, the serious noise polluting the environment, affecting people’s rest, learning and work, endangering human health and even Will cause permanent deafness and other diseases. In the shipbuilding industry, hearing loss of operators is the most common occupational injury. Table 1 shows the hearing tests conducted by a shipyard for workers exposed to noise over the past 9 years. The average percentage of abnormal employees is as high as 37.2%. In order to reduce and prevent noise hazards, we must fully understand the noise characteristics and effectively take effective protective measures.