【英文标准名称】:Acoustics-Measurementofsoundinsulationinbuildingsandofbuildingelements-Laboratorymeasurementsofthereductionoftransmittedimpactsoundbyfloorcoveringsonlightweightreferencefloors
【原文标准名称】:声学.建筑物和建筑构件的隔声测量.轻型标准楼板上地板覆盖物传递冲击声音降低的实验室测量
【标准号】:BSENISO140-11-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2005-08-01
【实施或试行日期】:2005-08-01
【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】:顶棚;声学;隔音;声学试验室;声学性质和声学现象;楼板;噪声控制;试验;建筑物;测量技术;定义;冲击声级;材料试验;结构体系;声学测量;频率范围;建筑;测量;试验台;隔声;测量频率;声场;实验室试验;空气声隔绝(隔声);试验准备工作;建筑声学;冲击声隔绝;声级;声压级;空白格式
【英文主题词】:Acousticmeasurement;Acousticpropertiesandphenomena;Acoustictestingrooms;Acoustics;Airbornesoundinsulation;Blankforms;Buildingacoustics;Buildings;Ceilings;Construction;Definition;Definitions;Floors;Frequencyranges;Impactsoundinsulation;Impactsoundlevel;Laboratorytests;Materialstesting;Measurement;Measuringfrequencies;Measuringtechniques;Noisecontrol(acoustic);Soundfields;Soundinsulation;Soundlevels;Soundpressurelevel;Soundproofing;Structuralsystems;Testbenches;Testing;Testingset-ups
【摘要】:ThispartofISO140specifiesmethodsformeasuringtheacousticpropertiesoffloorcoveringsfromtheviewpointofreducingimpactsoundtransmission.ThepurposeofthispartofISO140istoestablishamethodfordeterminingtheimpactsoundinsulationofafloorcoveringunderstandardtestconditions.Thetestislimitedtothespecificationofproceduresforthephysicalmeasurementofsoundoriginatingfromanartificialimpactsource(tappingmachine)underlaboratoryconditionsandisnotdirectlyrelatedtothesubjectivesignificanceoftheresults.InthispartofISO140,atestmethodisdescribedusingthestandardtappingmachinetosimulateimpactsourceslikehumanfootstepswithshoes.Inaddition,methodsusingamodifiedtappingmachineandaheavy/softimpactsourcearealsointroducedininformativeAnnexesCandEfortheassessmentofimpactsoundinsulationofafloorcoveringagainstimpactsourceswithstrongcomponentsatlowfrequencies,suchashumanfootstepsorchildrenjumping.Asasimplifiedmethodforthemeasurementofthereductionoffloorimpactsoundpressurelevelbysoftandresilientfloorcoverings,themethodusingawoodenmock-upfloorisintroducedinAnnexD.ThispartofISO140isapplicabletoallfloorcoverings,whethersingleormulti-layered,asinstalledonlightweightfloors.Inthecaseofmulti-layeredcoverings,theycanbefactory-assembledorassembledatthetestsite.Thetestmethodisapplicableonlytolaboratorymeasurements.Itdoesnotcontainanyprovisionthatpermitsanassessmentoftheeffectivenessofafloorcoveringinsitu.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:42P;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforHighPurityTitaniumSputteringTargetsforElectronicThinFilmApplications
【原文标准名称】:电子薄膜用高纯度钛溅射靶机的标准规范
【标准号】:ASTMF1709-1997
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:L40
【国际标准分类号】:
【页数】:
【正文语种】:英语