BS EN 54-17-2005 火灾探测和报警系统.第17部分:短路隔离开关

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【英文标准名称】:Firedetectionandfirealarmsystems-Part17:Short-circuitisolators
【原文标准名称】:火灾探测和报警系统.第17部分:短路隔离开关
【标准号】:BSEN54-17-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2006-01-25
【实施或试行日期】:2006-01-25
【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】:
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiesrequirements,testmethodsandperformancecriteriaforshortcircuitisolators,foruseinfiredetectionandfirealarmsystemsforbuildings(seeEN54-1).Meansofisolationorprotectionincorporatedwithincontrolandindicatingequipment(itemBinFigure1ofEN54-1:1996)arenotcoveredbythisEuropeanStandard.
【中国标准分类号】:C81
【国际标准分类号】:13_220_20
【页数】:44P.;A4
【正文语种】:英语


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基本信息
标准名称:机动玩具传动零件 圆轴
中标分类: 轻工、文化与生活用品 >> 文教、体育、娱乐用品 >> 玩具
发布日期:
实施日期:2001-10-01
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作废日期:
出版日期:
页数:2页
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所属分类: 轻工 文化与生活用品 文教 体育 娱乐用品 玩具
【英文标准名称】:StandardTestMethodforRandomVibrationTestingofShippingContainers
【原文标准名称】:海运集装箱随机振动检测的标准试验方法
【标准号】:ASTMD4728-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D10.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:容器;包装件;包装;航运;试验
【英文主题词】:distributionenvironment;randomvibration;shippingcontainer;vibration;vibrationcontrol
【摘要】:Shippingcontainersareexposedtocomplexdynamicstressesinthedistributionenvironment.Approximatingtheactualdamage,orlackofdamage,experiencedinreallifemayrequiresubjectingthecontaineranditscontentstorandomvibrationtests.Inthisway,manyproductandcontainerresonancesaresimultaneouslyexcited.Resonancebuildupsduringrandomvibrationtestsarelessintensethanduringsinusoidalresonancedwellorsweeptests.Therefore,unrealisticfatiguedamageduetoresonancebuildupisminimized.Randomvibrationtestsshouldbebasedonrepresentativefielddata.Whenpossible,confidencelevelsmaybeimprovedbycomparinglaboratorytestresultswithactualfieldshipmenteffects.RefertoPracticeD4169forrecommendedrandomvibrationtests.(SeeAppendixX1andAppendixX2forrelatedinformation.)Thereisnodirectequivalencebetweenrandomvibrationtestsandsinusoidalvibrationtests.Equivalenttestsbetweensineandrandom,inageneralsense,aredifficulttoestablishduetononlinearities,dampingandproductresponsecharacteristics.Vibrationexposureaffectstheshippingcontainer,itsinteriorpacking,meansofclosure,andcontents.Thistestallowsanalysisoftheinteractionbetweenthesecomponents.Designmodificationtooneorallofthesecomponentsmaybeusedtoachieveoptimumperformanceintheshippingenvironment.Randomvibrationtestsmaybesimultaneouslyperformedwithtransientorperiodicdatatosimulateknownstressesofthistype,thatis,railjoints,potholes,etc.Randomvibrationmaybeconductedinanyaxis(verticalorhorizontal)orinanypackageorientation.However,differenttestlevelsmaybeutilizedforeachaxisdependingonthefieldenvironmentthatistobesimulated.1.1Thistestmethodcoverstherandomvibrationtestingoffilledshippingunits.Suchtestsmaybeusedtoassesstheperformanceofacontainerwithitsinteriorpackingandmeansofclosureintermsofitsruggednessandtheprotectionthatitprovidesthecontentswhensubjectedtorandomvibrationinputs.1.2Thistestmethodprovidesguidanceinthedevelopmentanduseofvibrationdatainthetestingofshippingcontainers.Note1SourcesofsupplementaryinformationarelistedintheReferencesection(1-10).Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificsafetyhazardstatementsaregiveninSection.
【中国标准分类号】:A80
【国际标准分类号】:55_040
【页数】:7P.;A4
【正文语种】: