【英文标准名称】:Aerospaceseries.Lamps,incandescent.Lamp,codeA7512-12.Productstandard
【原文标准名称】:航空航天系列.白炽灯.编号为A7512-12的灯具.产品标准
【标准号】:BSEN2240-088-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-08-31
【实施或试行日期】:2011-08-31
【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】:
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Designations;Dimensions;Electricalengineering;Illuminationengineering;Incandescentlamps;Lamps;Lightingsystems;Productstandards;Spacetransport;Specification(approval)
【摘要】:ThisEuropeanStandardspecifiestherequiredcharacteristicsforlamp,codeA7512-12,foraerospaceapplications.ItshallbeusedtogetherwithEN2756.
【中国标准分类号】:K73
【国际标准分类号】:49_060
【页数】:10P.;A4
【正文语种】:英语
基本信息
标准名称: | X射线荧光光谱法黄金含量分析仪校准规范 |
英文名称: | Calibration Specification of Gold Gauge Utilizing X-ray Fluorescence Spectrometry |
中标分类: |
综合 >>
计量 >>
电离辐射计量 |
ICS分类: |
计量学和测量、物理现象 >>
辐射测量
|
发布部门: | 中华人民共和国国家质量监督检验检疫总局 |
发布日期: | 2005-04-28 |
实施日期: | 2005-07-28 |
首发日期: | |
作废日期: | |
归口单位: | 全国电离辐射计量技术委员会 |
起草单位: | 北京市计量科学研究所、国家标准物质研究中心、中国原子能科学研究院 |
起草人: | 朱伏虎、茅祖兴、康四清等 |
出版社: | 中国计量出版社 |
出版日期: | 2005-08-21 |
页数: | 9页 |
书号: | 155026-1909 |
适用范围
本规范适用于X射线荧光光谱黄金含量分析仪的校准。
前言
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目录
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引用标准
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所属分类: 综合 计量 电离辐射计量 计量学和测量 物理现象 辐射测量
【英文标准名称】:StandardTestMethodforDetectingSealLeaksinPorousMedicalPackagingbyDyePenetration
【原文标准名称】:用染色渗透液检测多孔医疗包装汽封泄漏的标准试验方法
【标准号】:ASTMF1929-1998(2004)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:F02.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:染色渗透液;多孔包装;汽封泄漏;软包装
【英文主题词】:Dyepenetrant;flexiblepackaging;porouspackaging;sealleaks
【摘要】:Harmfulbiologicalorparticulatecontaminantsmayenterthedevicethroughleaks.Theseleaksarefrequentlyfoundatsealsbetweenpackagecomponentsofthesameordissimilarmaterials.Leaksmayalsoresultfromapinholeinthepackagingmaterial.Thisdyepenetrantprocedureisapplicableonlytoindividualleaksinapackageseal.Thepresenceofanumberofsmallleaks,asfoundinporouspackagingmaterial,whichcouldbedetectedbyothertechniques,willnotbeindicated.Thereisnogeneralagreementconcerningthelevelofleakagethatislikelytobedeleterioustoaparticularpackage.However,sincethesetestsaredesignedtodetectleakage,componentsthatexhibitanyindicationofleakagearenormallyrejected.Sinceleaksmaychangeinsizewithdifferentambientconditions,comparisonsbetweenteststationsarenotconclusive.Thereforethismethodisusuallyemployedasago,no-gotest.Thedyesolutionwillwickthroughanyporousmaterialovertime,butusuallynotwithinthemaximumtimesuggested.Ifwickingdoesoccur,itmaybeverifiedbyobservingtheporoussideofthesubjectsealarea.Thedyewillhavediscoloredthesurfaceofthematerial.Whenpuncturingthepackagingtoallowinjectionofthedyepenetrantsolution,careshouldbetakennottopunctureotherpackagesurfaces.Puncturingofthepackageisfacilitatedifitisdoneadjacenttoadummydeviceinsidethepackage.Thedevicewillprovideatentingeffectthatwillseparatethetwosidesofthepackage,reducingthechanceofaccidentalpunctureofbothsides.1.1Thistestmethoddefinesmaterialsandaprocedurethatwilldetectandlocatealeakequalorgreaterthanachannelformedbya50956;m(0.002in.)wireinpackageedgesealsformedbetweenatransparentfilmandaporoussheetmaterial.Adyepenetrantsolutionisappliedlocallytothesealedgetobetestedforleaks.Aftercontactwiththedyepenetrantforaspecifiedtime,thepackageisvisuallyinspectedfordyepenetration.1.2Thistestmethodisintendedforuseonpackageswithedgesealsformedbetweenatransparentfilmandaporoussheetmaterial.Thistestmethodislimitedtoporousmaterialswhichcanretainthedyepenetrantsolutionandpreventitfromdiscoloringtheentiresealareaforaminimumof20s.Uncoatedpapersareespeciallysusceptibletoleakageandmustbeevaluatedcarefullyfrousewiththistestmethod.1.3Thistestmethodrequiresthatthedyepenetranthavegoodcontrasttotheopaquepackagingmaterial.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C30
【国际标准分类号】:55_040
【页数】:3P.;A4
【正文语种】: