DIN EN ISO 14257-2011 声学.为评估工作室的空间声学性能,对其声音分布曲线进行的测量和参数描述(ISO14257-2001);德文版本ENISO14257-2001
时间:2024-05-11 18:42:41 来源: 标准资料网 作者：标准资料网 阅读：8568
【英文标准名称】:Acoustics-Measurementandparametricdescriptionofofspatialsounddistributioncurvesinworkroomsforevaluationoftheiracousticalperformance(ISO14257:2001);GermanversionENISO14257:2001
【原文标准名称】:声学.为评估工作室的空间声学性能,对其声音分布曲线进行的测量和参数描述(ISO14257-2001);德文版本ENISO14257-2001
【标准号】:DINENISO14257-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acousticmeasurement;Acoustics;Applications;Definitions;Distributioncurves;Emission;Ergonomics;Healthprotection;Machinenoise;Mathematicalcalculations;Measurement;Measuringtechniques;Metrology;Modelling;Noise;Noiseabatement;Noisecontrol(acoustic);Noiseemissions;Noise(environmental);Noisemeasurements;Noisereduction;Occupationalsafety;Properties;Sound;Soundpressurelevel;Soundpropagation;Soundsources;Specification(approval);Use;Wear-quantity;Workspaces;Workingplaces
【摘要】:ThisInternationalStandardspecifiesamethodformeasuringthespatialsounddistributioncurve(s)ofagivenworkroom.Amethodisgivenfordetermining,fromthemeasureddata,twodescriptorsoftheacousticalperfomanceofaworkroomregardingnoisecontrol:i.e.theexcesofsoundpressurelevelwithrespecttoafreefield,andthesoundpressureleveldecayperdistancedoubling.
【中国标准分类号】:P31
【国际标准分类号】:17_140_01
【页数】:34P;A4
【正文语种】:德语
【英文标准名称】:Ventilationforbuildings.Airterminaldevices.Aerodynamictestingofdampersandvalves.
【原文标准名称】:建筑物通风.空气终端装置.调节器和阀门的空气动力试验
【标准号】:NFE51-718-1998
【标准状态】:现行
【国别】:法国
【发布日期】:1998-12-01
【实施或试行日期】:1998-12-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【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】:P48
【国际标准分类号】:91_140_30
【页数】:25P;A4
【正文语种】:其他
【英文标准名称】:StandardPerformanceSpecificationforWoven,Lace,andKnitHouseholdCurtainandDraperyFabrics
【原文标准名称】:机织带状针织家用窗帘和带皱折编织物的标准性能规范
【标准号】:ASTMD3691/D3691M-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D13.63
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:curtain;drapery;Curtainsanddraperies;Householdtextiles--specifications;Knitdraperyfabrics;Lacefabrics;Textilefabrics/fibers--specifications;Woventextilefabrics--specifications
【摘要】:Fabricsintendedforthisend-useshouldmeetalloftherequirementslistedinTable1.Itshouldberecognizedthatfabriccanbeproducedutilizinganalmostinfinitenumberofconstructionvariables(e.g.,typeoffibers,percentageoffibers,yarntwist,yarnnumber,warpandpickcount,chemicalandmechanicalfinished).Additionally,fashionandaestheticsdictatethattheultimateconsumermayfindacceptablearticlesmadefromfabricsthatdonotconformtoalloftherequirementsinTable1.Hence,nosingleperformancespecificationcanpossiblyapplytoallthevariousfabricsthatcouldbeutilizedforthisend-use.Theusesandsignificanceofparticularpropertiesandtestmethodsarediscussedintheappropriatesectionsofthespecifiedtestmethods.TABLE1PerformanceRequirementsCharacteristicsKnitandLaceSheer(woven)FoamBack,StitchBonded,andConventionalWeights(woven)SectionBreakingstrength(load),(CRTmethod),inbothdirectionsA
...
67N(15lbf),min
89N(20lbf),min
5.1
Burstingstrength(ballburst)A
138kPa(20lbf/in.2),min
...
...
5.2
Tearstrength(tonguetear),inbothdirectionsA
...
4.4N(1lbf),min
6.7N(1.5lbf),min
5.3
Dimensionalchange:
After5launderingsinbothdirections
3.0%max+0.0%
3.0%max0.0%
3.0%max+0.0%
5.4.1
After3drycleaningsinbothdirections
3.0%max+0.0%
3.0%max+0.0%
3.0%max+0.0%
5.4.2
Distortionofyarn:
1-lbfload
...
2.54mm(0.1in.),max
...