Noise Levels on Board Ships: Code on Noise Levels on Board Ships and Recommendations on Methods of Measuring Noise Levels at Listening PostsIMO Publishing, 1982 - 36 ページ |
多く使われている語句
24 hour equivalent A-weighted sound pressure accommodation spaces acoustic insulation Administration airborne sound insulation Appendix attenuation board ships bulkheads Cabins Calibration Code on Noise comply continuous or effective continuous sound level control rooms DAILY EXPOSURE dB(A decibel deck duty stations ear muffs ear plugs effective sound level ensure equipment operating equivalent continuous sound EXPOSURE WITH EAR exposure zone fluctuating noise frequency hearing conservation programme high noise levels hour equivalent continuous Impulse noise industrial grade meter internal combustion engines International Maritime Organization ISO noise rating ISO Standard levels at listening Levels on Board limits specified listening posts machinery spaces Measuring Noise Levels Methods of Measuring microphone Navigating bridge wings noise survey report noise-induced hearing loss OCCASIONAL EXPOSURE octave periods port condition precision grade propeller propulsion machinery protection Recommendation on Methods resilient mountings resolution A.343(IX ship's sound level meter sound pressure levels taken Type Voith-Schneider warning notices