Objective To analyse the effects on occupational workers hearing loss caused by steady state noise, impulsive noise and segmental vibration.

目的比较和分析稳态噪声、脉冲噪声、脉冲噪声与振动联合作用对作业工人听力的影响。

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Occupational health conservationists'main concerns still are chronic or acute poisoning and hearing loss induced by noise.

急慢性职业中毒、噪声性耳聋和尘肺仍是职业卫生工作关注的热点。

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Etymotic's hearing protection products were honored with a Design and Engineering Innovations Award in the Health and Wellness category at the 2011 Consumer Electronics Show and the prestigious 2010 Safe-in-Sound Award for decades of innovation in hearing loss prevention from the National Institute of Occupational Safety and Health (NIOSH) and the National Hearing Conservation Association.

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