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EN 3052-2009 航空航天系列.短螺纹耐热耐蚀钢制钝化粗容差标称手柄标称六角头螺栓.等级:1100MPa(环境温度)/425°C,德文和英文版本EN3052:2009

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【英文标准名称】:Aerospaceseries-Bolts,normalhexagonalhead,closetolerancenormalshank,shortthread,inheatandcorrosionresistingsteel,passivated-Classification:1100MPa(atambienttemperature)/425°C;GermanandEnglishversionEN3052:2009
【原文标准名称】:航空航天系列.短螺纹耐热耐蚀钢制钝化粗容差标称手柄标称六角头螺栓.等级:1100MPa(环境温度)/425°C,德文和英文版本EN3052:2009
【标准号】:EN3052-2009
【标准状态】:现行
【国别】:
【发布日期】:2009-10
【实施或试行日期】:
【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】:
【英文主题词】:Aerospacetransport;Airtransport;Classificationsystems;Corrosion-resistantsteels;Designations;Dimensions;Fittingbolts;Hexagonheadbody-fitscrew;Hexagonheadscrews;Hightemperature;Materials;Multilingual;Properties;Screws(bolts);Spacetransport;Specification(approval);Steels;Threads;Tolerances(measurement)
【摘要】:
【中国标准分类号】:V20
【国际标准分类号】:49_030_20
【页数】:17P.;A4
【正文语种】:英语


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基本信息
标准名称:冷冲模导正销 C 型导正销
中标分类:
ICS分类: 机械制造 >> 无屑加工设备 >> 模制设备和铸造设备
替代情况:被QJ 2514.7A-2007代替
发布日期:1993-03-29
实施日期:1991-09-01
首发日期:
作废日期:2007-11-01
出版日期:
页数:2页
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所属分类: 机械制造 无屑加工设备 模制设备和铸造设备
【英文标准名称】:CIEstandardilluminantsforcolorimetry
【原文标准名称】:比色法用CIE标准光源
【标准号】:BSISO10526-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2008-02-29
【实施或试行日期】:2008-02-29
【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】:比色的;比色法;定义;光源;照明系统;标准光源
【英文主题词】:Colorimetric;Colorimetry;Definition;Definitions;Illuminants;Lightingsystems;Standardilluminants
【摘要】:ThisInternationalStandardspecifiestwoilluminantsforuseincolorimetry.Theilluminants,whicharedefinedinclauses4and5ofthisInternationalStandard,areasfollows:a)CIEstandardilluminantAThisisintendedtorepresenttypical,domestic,tungsten-filamentlighting.ItsrelativespectralpowerdistributionisthatofaPlanckianradiatoratatemperatureofapproximately2856K.CIEstandardilluminantAshouldbeusedinallapplicationsofcolorimetryinvolvingtheuseofincandescentlighting,unlesstherearespecificreasonsforusingadifferentilluminant.b)CIEstandardilluminantD65Thisisintendedtorepresentaveragedaylightandhasacorrelatedcolourtemperatureofapproximately6500K.CIEstandardilluminantD65shouldbeusedinallcolorimetriccalculationsrequiringrepresentativedaylight,unlesstherearespecificreasonsforusingadifferentilluminant.Variationsintherelativespectralpowerdistributionofdaylightareknowntooccur,particularlyintheultravioletspectralregion,asafunctionofseason,timeofday,andgeographiclocation.However,CIEstandardilluminantD65shouldbeusedpendingtheavailabilityofadditionalinformationonthesevariations.ValuesfortherelativespectralpowerdistributionofCIEstandardilluminantsAandD65aregiveninTable1ofthisInternationalStandard.Valuesaregivenat1nmintervalsfrom300nmto830nm.Theterm"illuminant"referstoadefinedspectralpowerdistribution,notnecessarilyrealizableorprovidedbyanartificialsource.Illuminantsareusedincolorimetrytocomputethetristimulusvaluesofreflectedortransmittedobjectcoloursunderspecifiedconditionsofillumination.TheCIEhasalsodefinedilluminantCandotherilluminantsD.TheseilluminantsaredescribedinPublicationCIE15:2004buttheydonothavethestatusofprimaryCIEstandardsaccordedtotheCIEstandardilluminantsAandD65describedinthisInternationalStandard.ItisrecommendedthatoneofthetwoCIEstandardilluminantsdefinedinthisInternationalStandardbeusedwhereverpossible.Thiswillgreatlyfacilitatethecomparisonofpublishedresults.ItisnotedthatinthefieldsofgraphicartsandphotographyextensiveuseisalsomadeofCIEilluminantD50.Inmostpracticalapplicationsofcolorimetry,itissufficienttousethevaluesofCIEstandardilluminantsAandD65atlessfrequentwavelengthintervalsorinanarrowerspectralregionthandefinedinthisStandard.DataandguidelinesthatfacilitatesuchpracticeareprovidedinPublicationCIE15:2004,togetherwithotherrecommendedproceduresforpracticalcolorimetry.Theterm"source"referstoaphysicalemitteroflight,suchasalamporthesky.Incertaincases,theCIErecommendslaboratorysourcesthatapproximatethespectralpowerdistributionsofCIEilluminants.Inallcases,however,thedefinitionofaCIErecommendedsourceissecondarytothedefinitionofthecorrespondingCIEilluminant,becauseofthepossibilitythat,fromtimetotime,newdevelopmentswillleadtoimprovedsourcesthatrepresentaparticularilluminantmoreaccuratelyoraremoresuitableforlaboratoryuse.Subclause6.1ofthisInternationalStandarddescribesCIEsourceA,whichisrecommendedforlaboratoryrealizationsofCIEstandardilluminantA.Atpresent,thereisnoCIErecommendedsourcerepresentingCIEstandardilluminantD65
【中国标准分类号】:K70
【国际标准分类号】:17_180_20
【页数】:26P;A4
【正文语种】:英语