EN 60318-1-2009 电声学.人脑和耳朵模拟器.第1部分:耳挂式和罩耳式耳机测量用耳朵模拟器(IEC60318-1:2009);德文版本EN60318-1:2009
作者:标准资料网 时间:2024-05-01 17:27:44 浏览:9707
来源:标准资料网
【英文标准名称】:Electroacoustics-Simulatorsofhumanheadandear-Part1:Earsimulatorforthemeasurementofsupra-auralandcircumauralearphones(IEC60318-1:2009);GermanversionEN60318-1:2009
【原文标准名称】:电声学.人脑和耳朵模拟器.第1部分:耳挂式和罩耳式耳机测量用耳朵模拟器(IEC60318-1:2009);德文版本EN60318-1:2009
【标准号】:EN60318-1-2009
【标准状态】:现行
【国别】:
【发布日期】:2010-07
【实施或试行日期】:2010-07-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acoustics;Artificialears;Audiometers;Audiometry;Calibration;Definitions;Earsimulators;Earphones;Electricalengineering;Electroacoustics;Frequencies;Head(anatomy);Headphones;Hearingaids;Lossofhearing;Measurementmicrophones;Microphones;Referencelevels;Simulators;Specification(approval);Widebandtransmission
【摘要】:
【中国标准分类号】:
【国际标准分类号】:17_140_50
【页数】:27P;A4
【正文语种】:英语
【英文标准名称】:Aerospaceseries-Screws,100°countersunknormalhead,offsetcruciformrecess,threadedtohead,intitaniumalloy,anodized,withaluminiumpigmentedcoating,metricseries-Classification:1100MPa(atambienttemperature)/315°C;GermanandEngl
【原文标准名称】:航空航天系列.有色铝涂层阳极氧化钛合金螺纹延伸到螺头100°沉头偏置十字凹槽螺钉.米制系列.等级:1100MPa(室温)/315℃
【标准号】:EN4509-2006
【标准状态】:现行
【国别】:
【发布日期】:2007-05
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;航空器;航空器部件;铝;阳极氧化;紧配合螺纹;覆层;埋头紧固件;沉头螺钉;交叉凹槽螺钉;十字头紧固件;设计;名称与符号;尺寸公差;尺寸;紧固件;配合螺栓;极限偏差;润滑;作标记;材料;二硫化钼;多语种的;特性;凹头螺钉;凹槽;螺钉;航天运输;规范(验收);表面处理;螺纹形;螺纹;钛合金;固定力矩十字形槽
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Aircraftcomponents;Aluminium;Anodised;Close-fitthreads;Coatings;Countersunkfasteners;Countersunkheadscrews;Crossrecessedscrews;Cruciform-headfasteners;Design;Designations;Dimensionaltolerances;Dimensions;Fasteners;Fittingbolts;Limitdeviations;Lubrication;Marking;Materials;Molybdenumdisulphides;Multilingual;Properties;Recessedheadscrews;Recesses;Screws(bolts);Spacetransport;Specification(approval);Surfacetreatment;Threadforms;Threads;Titaniumalloys;Torq-setrecesses
【摘要】:
【中国标准分类号】:V20
【国际标准分类号】:49_030_20
【页数】:18P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforDeterminationofThermalResistanceofAtticInsulationSystemsUnderSimulatedWinterConditions
【原文标准名称】:模拟冬季条件下测定顶楼绝缘系统热阻性的标准规程
【标准号】:ASTMC1373-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:C16.30
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:atticinsulation;convection;thermalresistance;winterconditions
【摘要】:1.1Thispracticepresentsalaboratoryproceduretodeterminethethermalresistanceofatticinsulationsystemsundersimulatedsteady-statewinterconditions.Thepracticeappliesonlytoatticinsulationsystemsthatfaceanopenatticairspace.1.2Thethermalresistanceoftheinsulationisinferredfromcalculationsbasedonmeasurementsonaceilingsystemconsistingofcomponentsconsistentwiththesystembeingstudied.Forexample,suchasystemmightconsistofagypsumboardorplywoodceiling,woodceilingjoists,andatticinsulationwithitstopexposedtoanopenairspace.Thetemperatureappliedtothegypsumboardorplywoodshallbeintherangeof18to24176;C(64to75176;F).Theairtemperatureabovetheinsulationshallcorrespondtowinterconditionsandmayrangefrom-46176;Cto10176;C(-51to50176;F).Thegypsumboardorplywoodceilingshallbesealedtopreventdirectairflowbetweenthewarmandcoldsidesofthesystem.1.3Thispracticeappliestoawidevarietyofloose-fillorblanketthermalinsulationproductsincludingfibrousglass,rock/slagwool,orcellulosicfibermaterials;granulartypesincludingvermiculiteandperlite;pelletizedproducts;andanyotherinsulationmaterialthatmaybeinstalledpneumaticallyorpouredinplace.Thepracticeconsiderstheeffectsonheattransferofstructures,specificallytheceilingjoists,substrate,forexample,gypsumboard,airfilms,andpossiblefacings,films,orothermaterialsthatmaybeusedinconjunctionwiththeinsulation.1.4Thispracticemeasuresthethermalresistanceoftheattic/ceilingsysteminwhichtheinsulationmaterialhasbeenpreconditionedaccordingtothematerialSpecificationsC549,C665,C739,andC764.1.5Thespecimenpreparationtechniquesoutlinedinthisstandarddonotcoverthecharacterizationofloose-fillmaterialsintendedforenclosedapplications.1.6Thispracticemaybeusedtocharacterizematerialbehaviorundercontrolledsteady-statelaboratoryconditionsintendedtosimulateactualtemperatureconditionsofuse.Thepracticedoesnotsimulateforcedairflowconditions.1.7AllvaluesshallbereportedinbothSIandinch-poundunitsunlessspecifiedotherwisebytheclient.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q25
【国际标准分类号】:91_120_10
【页数】:8P.;A4
【正文语种】:
