ANSI/ASTM E1851-1997 耐久硬质墙壁浮动结构电磁屏蔽效果的试验方法

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【英文标准名称】:AddendatoASMEMFC-3M-2004MeasurementofFluidFlowinPipesUsingOrifice,Nozzle,andVenturi
【原文标准名称】:用孔口、管接头和文丘里管测量管道中的液体流量.勘误表
【标准号】:ASMEMFC-3MaAddenda-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-10-11
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:流量测量;流量测量技术;流量计;测量方法;米制的;喷咀流量计;孔板流量计;管道;管;文杜利流量计
【英文主题词】:Flowmeasurements;Flowmeasuringtechniques;Flowmeters;Methodsformeasuring;Metric;Nozzleflowmeters;Orificeflowmeters;Pipelines;Pipes;Venturimeters
【摘要】:ThisisthefirstAddendatobepublishedtoASMEMFC-3M–2004.FollowingapprovalbytheASMEMFCStandardsCommitteeandASME,andafterpublicreview,MFC-3Ma–2007wasapprovedbytheAmericanNationalStandardsInstituteonOctober11,2007.Addendatothe2004editionofASMEMFC-3M–2004areissuedintheformofreplacementpages.Revisions,additions,anddeletionsareincorporateddirectlyintotheaffectedpages.Itisadvisable,however,thatthispage,theAddendatitleandcopyrightpages,andallreplacedpagesberetainedforreference.
【中国标准分类号】:A52
【国际标准分类号】:17_120_10
【页数】:50P.;A4
【正文语种】:英语


【英文标准名称】:Connectorssetsandinterconnectcomponentstobeusedinopticalfibrecommunicationsystems.Productspecifications.Connectorsetsandinterconnectcomponentstobeusedinopticalfibrecommunicationsystems.Productspecifications.TypeECterminated
【原文标准名称】:光纤通信系统中使用的连接器组和互连元件.产品规范.端接在IEC60793-2类B.1.1单模纤维上的EC型连接器组和互连元件
【标准号】:BSEN50377-5-1-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-04-03
【实施或试行日期】:2003-04-03
【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】:适配器;电缆;通信系统;连接工艺;连接;数据连接系统;详细规范;尺寸规格;电插头;电气工程;紧固件;玻璃纤维电缆;标志;单模纤维;光波导;工作性能;插头;产品规格;产品标准;单光纤电缆;规范(验收);测试;测试要求;类型
【英文主题词】:Adapters;Cables;Communicationsystems;Connectiontechnology;Connections;Datalinksystem;Detailspecification;Dimensions;Electricplugs;Electricalengineering;Fasteners;Glassfibrecables;Marking;Monomodefibres;Opticalwaveguides;Performanceinservice;Plugs;Productspecification;Productstandards;Singlefibreopticalcables;Specification(approval);Testing;Testingrequirements;Types
【摘要】:1ProductdefinitionThisstandardcontainstheinitial,startoflifedimensional,optical,mechanicalandenvironmentalperformancerequirementswhichaterminatedandassembledsinglemodeECconnectorset(plugadapterplug)mustmeetinorderforittobecategorisedasanENproductspecification.Sincedifferentvariantsandgradesofperformancearepermitted,productmarkingdetailsaregivenin3.5.2IntermateabilityAllproductsconformingtotherequirementsofthisstandardwillintermate,theresultinglevelofrandomattenuationperformancewillonlybeensuredinaccordancewithTable1.Theintentionisthatthiswillbetrueirrespectiveofthemanufacturingsource(s)oftheproduct.Inallcases,theintermatingofplugvariantshavingdifferentattenuationgradeswillresultinanuncertainlevelofrandomattenuationperformance.Similarly,theintermatingofplugvariantswithsuffixA,withplugvariantswithsuffixC,willresultinanuncertainlevelofrandomattenuationperformance.3OperatingenvironmentThetestsselectedcombinedwiththeseveritiesanddurationsarerepresentativeofanexternalweatherprotectedenvironmentdefinedby-ES200671:externalweatherprotectedenvironmentdefinedbyETS300019-f-3classes3.3;3.4and3.5-EN61753-2-1categoryU:uncontrolledenvironment.4ReliabilityWhilsttheanticipatedservicelifeexpectancyoftheproductinthisenvironmentis20years,compliancewiththisstandarddoesnotguaranteethereliabilityoftheproduct.Thisshouldbepredictedusingarecognisedreliabilityassessmentprogramme.5QualityassuranceCompliancewiththisstandarddoesnotguaranteethemanufacturingconsistencyoftheproduct.Thisshouldbemaintainedusingarecognisedqualityassuranceprogramme.
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:30P.;A4
【正文语种】:英语