DIN IEC 61178-1-1995 IEC电子元器件质量评定体系规范(IECQ).石英晶体组件.第1部分:总规范
时间:2024-05-18 02:45:45 来源: 标准资料网 作者：标准资料网 阅读：9768
【英文标准名称】:AspecificationintheIECqualityassessmentsystemforelectroniccomponents(IECQ)-Quartzcrystalunits-Part1:Genericspecification;identicalwithIEC61178-1:1993
【原文标准名称】:IEC电子元器件质量评定体系规范(IECQ).石英晶体组件.第1部分:总规范
【标准号】:DINIEC61178-1-1995
【标准状态】:作废
【国别】:德国
【发布日期】:1995-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:质量;压电器件;质量保证;规范;规范(验收);电子设备及元件;检验;晶体(电子);电子工程;石英晶体;总规范;试验;质量评定系统;质量评定
【英文主题词】:
【摘要】:
【中国标准分类号】:L21
【国际标准分类号】:31_140
【页数】:15P;A4
【正文语种】:德语
【英文标准名称】:StandardPracticeforEvaluatingtheRelativeLightfastnessandWeatherabilityofPrintedMatter
【原文标准名称】:印刷品的相对光照牢度和耐气候性评定的标准实施规程
【标准号】:ASTMD3424-2009
【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】:D01.56
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acceleratedexposure;carbon-arcapparatus;colordifferencemeasurements;daylightbehindwindowglass;fluorescentlampapparatus;grayscale;lightfastness;outdoorexposure;printedmatter;printinginks;weatherfastness;xenon-arcapparatus;Accelera
【摘要】:Lightfastnessorweatherabilityforspecifiedperiodsoftimeispertinentforcertaintypesofprintedmattersuchasmagazineandbookcovers,postersandbillboards,greetingcardsandpackages.Sincetheabilityofprintedmattertowithstandcolorchangesisafunctionofthespectral-powerdistributionofthelightsourcetowhichitisexposed,itisimportantthatlightfastnessbeassessedunderconditionsappropriatetotheend-useapplication.Theacceleratedprocedurescoveredintheseexposuremethodsprovidemeansfortherapidevaluationoflightfastnessorweatherabilityunderlaboratoryconditions.Testresultsareusefulforspecificationacceptancebetweenproduceranduserandforqualitycontrol.Thexenon-arclampwithanappropriatefiltersystemexhibitsaspectral-powerdistributionthatcorrespondsmorecloselytothatofdaylightthanthecarbon-arc.Inturn,acceleratedtestsusingxenon-arcapparatusmaybeexpectedtocorrelatebetterwithexposuretonaturaldaylightthandothoseusingcarbon-arcapparatus.Toaccommodatevariationsinlightintensityamongdays,seasons,locations,orinstruments,durationofexposureispreferablyexpressedastheradiantexposureinspecificbandpassesratherthantime.Ineithercase,theinclusionofanappropriatecontrolservestominimizeeffectsofvariationsintestconditions.Colorchangesarenotalinearfunctionofdurationofexposure.Thepreferredmethodofdetermininglightfastnessorweatherabilityistoexposetheprintsforanumberofintervalsandtoassessthetimeorradiantexposurerequiredtoobtainaspecifiedcolordifference.Foragivenprintingink,lightfastnessandweatherabilityorbothdependonthetypeofsubstrate,thefilmthicknessoftheprint,andtheareaprinted(solidversusscreen).Therefore,itisimportantthatthenatureofthetestandcontrolspecimenscorrespondtothatexpectedunderactualuseconditions.Note28212;SpecificationsD4302,D5067,andD5098provideusefulguidestothelightfastnessofpigmentsinseveraltypesofartists''paintsafter1260MJ/m2totalwindowglassfilteredsolarradiantexposure(equivalenttoabout2or3months''exposuretowindowglassfilteredsolarradiationinaccordancewithPracticeG24atatiltangleof45degrees).However,becauseofmajordifferencesbetweenprintinginksandartists''colors,especiallyinappliedfilmthickness,itcannotbeassumedthatthelightfastnesscategoriesofprintedinkfilmscontainingthesepigmentswillbecomparabletothoseindicatedinthethreespecifications.1.1Thisstandarddescribesproceduresforthedeterminationoftherelativelightfastnessandweatherabilityofprintedmatterunderthefollowingconditions,whichinvolveexposuretonaturaldaylightoracceleratedproceduresinthelaboratory:1.1.1Method18212;Daylightbehindwindowglass,1.1.2Method28212;Outdoorweathering,1.1.3Method38212;Xenon-arcapparatuswithwindowglassfilterstosimulatedaylightbehindwindowglass,1.1.4Method48212;Xenon-arcapparatuswithwatersprayanddaylightfilterstosimulateoutdoorweathering,1.1.5Method78212;Fluorescentlampapparatustosimulateindoorfluorescentlightingincombinationwithwindow-filtereddaylight......
【中国标准分类号】:A17
【国际标准分类号】:87_080
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:Shortlinkchainforliftingpurposes-Safety-Part4:Chainslings,grade8;GermanversionEN818-4:1996
【原文标准名称】:起重用短环圆钢链条.安全性.第4部分:8级止档链
【标准号】:EN818-4-1996
【标准状态】:现行
【国别】:
【发布日期】:1996-08
【实施或试行日期】:1996-08-01
【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】:试验;特性;定义;规范(验收);安全;尺寸;安全要求;设计;作标记;等级(质量);用户信息;设备安全;认证;链条;钢链条;圆钢链条;环
【英文主题词】:
【摘要】:起重用短环圆钢链条.安全性.第4部分:8级止档链
【中国标准分类号】:J80
【国际标准分类号】:53_020_30
【页数】:15P;A4
【正文语种】:英语