【英文标准名称】:Acoustics-Referencezeroforthecalibrationofaudiometricequipment-Referenceequivalentthresholdsoundpressurelevelsforpuretonesandsupra-auralearphones
【原文标准名称】:声学.音响设备校正基准零点.纯音和超听觉耳机用基准等效阈值声压级
【标准号】:BSENISO389-1-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-05-15
【实施或试行日期】:2000-05-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:仿真耳;空气噪声;耳机;声学;参比状态;单;声强;测量仪器;听觉阈;听觉;声学工程;声学设备;耦合器;听力测定;声学测量;校正;频率
【英文主题词】:
【摘要】:ThispartofISO389specifiesastandardreferencezeroforthescaleofhearingthresholdlevelapplicabletopure-toneairconductionaudiometers,inordertopromoteagreementanduniformityintheexpressionofhearingthresholdlevelmeasurementsthroughouttheworld.Itstatestheinformationinaformsuitablefordirectapplicationtothecalibrationofaudiometers,thatis,intermsoftheresponseoftwodifferentstandardmodelsofearphonemeasuredonacouplercomplyingwithIEC60303andIntermsofothersupra-auralearphonesofmodelsspecifiedin4.3measuredonanartificialearcomplyingwithIEC60318.Itisbasedonanassessmentoftheinformationavailablefromthevariousstandardizinglaboratoriesresponsibleforaudiometricstandardsandfromscientificpublications.SomenotesonthederivationandapplicationoftherecommendedreferencelevelsaregiveninannexA.
【中国标准分类号】:M72
【国际标准分类号】:13_140
【页数】:20P;A4
【正文语种】:英语


【英文标准名称】:Cylindersforliquefiedgases(excludingacetyleneandLPG)-Inspectionattimeoffilling
【原文标准名称】:液化气体气瓶(含乙炔和液化石油气)充气时的检验
【标准号】:ISO11113-1995
【标准状态】:作废
【国别】:国际
【发布日期】:1995-09
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC58
【标准类型】:()
【标准水平】:()
【中文主题词】:液化石油气;压缩空气瓶;储气瓶;检验;试验
【英文主题词】:Compressed-gascylinder;Gascylinders;Inspection;Liquefiedpetroleumgas;Testing
【摘要】:Specifiestheminimumrequirementstoverifytheintegrityoftransportablegascylindersforliquefiedgases(excludingacetyleneandliquefiedpetroleumgases)forcontinueduse.Theserequirementsreflectcurrentpracticeandexperience.Doesnotdealwithmanifoldedbundlesofcylindersortrailercylinders.
【中国标准分类号】:J74
【国际标准分类号】:23_020_30
【页数】:9P;A4
【正文语种】:英语