
Acoustics - Determination Of Occupational Noise Exposure And Estimation Of Noise-induced Hearing Impairment
出版:Nederlands Normalisatie Instituut

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基本信息
標準編號: NEN ISO 1999:1990
發布時間:1990/4/1 0:00:00
標準類別:Standard
出版單位:Nederlands Normalisatie Instituut
標準頁數:18
標準簡介
Specifies a method for calculating the expected noise-induced permanent threshold shift in the hearing threshold levels of adult populations due to various levels and durations of noise exposure.
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等同采用的國際標準
ISO 1999:1990 - Identical