Product Code:SAE J159 Title:Rated Capacity System Issuing Committee:Cranes And Lifting Devices Committee Scope:This SAE Recommended Practice applies to cranes when used in lifting-crane service which are equipped with load moment devices. The purpose of this document is to establish the minimum performance criteria of systems used to warn or indicate to the operator and/or other responsible persons when the load being lifted approaches and meets the rated load value on the applicable load-rating chart of the crane.【英文标准名称】:Acoustics-Preferredreferencevaluesforacousticalandvibratorylevels 【原文标准名称】:声学.听觉和振动等级用基准参考值 【标准号】:BSENISO1683-2008 【标准状态】:现行 【国别】:英国 【发布日期】:2009-03-31 【实施或试行日期】:2009-03-31 【发布单位】:英国标准学会(GB-BSI) 【起草单位】:BSI 【标准类型】:() 【标准水平】:() 【中文主题词】:声学测量;声学;空气噪声;气载声音等级;基准面;定义;测量;测量技术;参考级;参考质量;尺寸;声能;声向;声强;声级;声压;声压级;结构噪声;测量单位;计量单位;速度级别;振动量值 【英文主题词】:Acousticmeasurement;Acoustics;Airbornenoise;Airbornesoundlevel;Datum;Definition;Definitions;Measurement;Measuringtechniques;Referencelevels;Referencequantity;Size;Soundenergy;Soundexposure;Soundintensity;Soundlevel;Soundlevels;Soundpressure;Soundpressurelevel;Structure-bornenoise;Unitsofmeasurement;Velocitylevels;Vibrationquantity 【摘要】:ThisInternationalStandardspecifiesreferencevaluesusedinacoustics,inordertoestablishauniformbasisfortheexpressionofacousticalandvibratorylevels.Thereferencevaluesaremandatoryforuseinacousticsforairborneandstructure-bornesound,butmayalsobeusedinotherapplications. 【中国标准分类号】:A59 【国际标准分类号】:17_140_01 【页数】:10P.;A4 【正文语种】:英语