BS EN 2240-004-2010 航空航天系列.白炽灯.灯,编码47.产品标准
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来源:标准资料网
【英文标准名称】:Aerospaceseries-Lamps,incandescent-Lamp,code47-Productstandard
【原文标准名称】:航空航天系列.白炽灯.灯,编码47.产品标准
【标准号】:BSEN2240-004-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-01-31
【实施或试行日期】:2010-01-31
【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】:航空航天运输;航空运输;航空器;名称与符号;尺寸规格;电气工程;照明工程;白炽灯;灯;照明设备;产品标准;航天运输;规范(验收)
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Designations;Dimensions;Electricalengineering;Illuminationengineering;Incandescentlamps;Lamps;Lightingsystems;Productstandards;Spacetransport;Specification(approval)
【摘要】:Thisstandardspecifiestherequiredcharacteristicsforlamp,code47,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
【英文标准名称】:Liftingplatforms-Mastclimbingworkplatforms
【原文标准名称】:升降平台.支架爬升工作平台
【标准号】:BSEN1495-1997+A2-2009
【标准状态】:现行
【国别】:英国
【发布日期】:1998-01-15
【实施或试行日期】:1998-01-15
【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】:控制;控制盘;控制装置;控制台;防坠落设备;定义;设计;传动系统;电气设备;设备安全;危害;提升平台;液压操纵装置;液压装置;检验;千斤顶;提升设备;提升装置;荷载能力;维修;操纵装置;杆(柱);机械工程;职业安全;操作说明书;动力传动系统;安全;安全组件;安全距离;安全工程;安全要求;规范(验收);稳定性;工作架;试验;工作平台;工作场所安全
【英文主题词】:Control;Controlboards;Controldevices;Controlstand;Crashprotectiondevices;Definitions;Design;Drivesystems;Electricalequipment;Equipmentsafety;Hazards;Hoistingplatforms;Hydraulically-operateddevices;Hydraulics;Inspection;Jacks;Liftingappliances;Liftingdevices;Loadcapacity;Maintenance;Manipulatingdevices;Masts;Mechanicalengineering;Occupationalsafety;Operationalinstructions;Powertransmissionsystems;Safety;Safetycomponents;Safetydistances;Safetyengineering;Safetyrequirements;Specification(approval);Stability;Staging;Testing;Workingplatforms;Workplacesafety
【摘要】:ThisstandardspecifiesthespecialsafetyrequirementsforMastClimbingWorkPlatforms(MCWP)whicharetemporarilyinstalledandaremanuallyorpoweroperatedandwhicharedesignedtobeusedbyoneormorepersonsfromwhichtocarryoutwork.Theverticalmovingcomponents(workplatform)arealsousedtomovethosesamepersonsandtheirequipmentandmaterialstoandfromasingleboardingpoint.TheserestrictionsdifferentiateMCWPsfromBuilder'shoists.ThestandardcanalsobeusedforpermanentlyinstalledMCWP.
【中国标准分类号】:J80
【国际标准分类号】:53_020_99
【页数】:76P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforDeterminingContrastSensitivityinRadioscopy
【原文标准名称】:射线检查法中对比灵敏度测定的标准实施规范
【标准号】:ASTME1647-2003
【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】:E07.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:图像质量;图像质量指示器;直线;γ辐射;射线检查;放射性照射;辐照;试验
【英文主题词】:contrastsensitivitygage;gammaray;imageformation;imageprocessing;imagequalityindicator;line-pairspermillimeter;penetratingradiation;spatialresolution;X-ray
【摘要】:Thecontrastsensitivitygagemeasurescontrastsensitivityindependentoftheimagingsystemspatialresolutionlimitations.Thethicknessrecessdimensionsofthecontrastsensitivitygagearelargewithrespecttothespatialresolutionlimitationsofmostimagingsystems.Fourlevelsofcontrastsensitivityaremeasured:4%,3%,2%,and1%.Thecontrastsensitivitygageisintendedforuseinconjunctionwithahigh-contrastresolutionmeasuringgage,suchastheEN462x2013;5DuplexWireImageQualityIndicator.Suchgagesmeasurespatialresolutionessentiallyindependentoftheimagingsystem’contrastsensitivity.Suchmeasurementsareappropriateforthequalificationandperformancemonitoringofradiographicandradioscopicimagingsystems.Radioscopic/radiographicsystemperformancemaybespecifiedbycombiningthemeasuredcontrastsensitivityexpressedasapercentagewiththespatialresolutionexpressedinmillimetersofunsharpness.FortheEN462x2013;5spatialresolutiongage,theunsharpnessisequaltotwicethewirediameter.Forthelinepairgage,theunsharpnessisequaltothereciprocaloftheline-pair/mmvalue.Asanexample,animagingsystemthatexhibits2%contrastsensitivityandimagesthe0.1mmEN462x2013;5pairedwires(equivalenttoimaging5line-pairs/millimeterresolutiononaline-pairgage)performsata2%x2013;0.2mmsensitivitylevel.AstandardmethodofevaluatingoverallradioscopicsystemperformanceisgiveninPracticeE1411andinEN13068x2013;1.1.1Thispracticecoversthedesignandmaterialselectionofacontrastsensitivitymeasuringgageusedtodeterminetheminimumchangeinmaterialthicknessordensitythatmaybeimagedwithoutregardtospatialresolutionlimitations.1.2Thispracticeisapplicabletotransmitted-beamradiographicandradioscopicimagingsystemsutilizingX-rayandgammarayradiationsources.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetystatements,seeNIST/ANSIHandbook114Section8,CodeofFederalRegulations21CFR1020.40and29CFR1910.96.
【中国标准分类号】:C43
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】:
