NF T90-322-2005 水质.水介质中有机化合物最大需氧生物降解能力的评价.密封容器中无机碳的分析方法(CO2顶空试验)

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【英文标准名称】:Waterquality-Evaluationofultimateaerobicbiodegradabilityoforganiccompoundsinaqueousmedium-Methodbyanalysisofinorganiccarboninsealedvessels(CO2headspacetest).
【原文标准名称】:水质.水介质中有机化合物最大需氧生物降解能力的评价.密封容器中无机碳的分析方法(CO2顶空试验)
【标准号】:NFT90-322-2005
【标准状态】:现行
【国别】:法国
【发布日期】:2005-10-01
【实施或试行日期】:2005-10-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:好气菌;生物降解能力;化学分析和试验;定义;降解能力;测定;顶空分析;测量;测量技术;微生物;质量;试验;水;水质分析;水污染;水常规(实验);水质;水质试验
【英文主题词】:
【摘要】:
【中国标准分类号】:Z16
【国际标准分类号】:13_060_70
【页数】:24P;A4
【正文语种】:其他


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【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


【英文标准名称】:Generalrulesofcrystalfilters
【原文标准名称】:晶体滤波器通则
【标准号】:JISC6703-1995
【标准状态】:作废
【国别】:日本
【发布日期】:1995-11-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonElectronics
【标准类型】:()
【标准水平】:()
【中文主题词】:滤波器;带通滤波器;晶体滤波器
【英文主题词】:
【摘要】:
【中国标准分类号】:L18
【国际标准分类号】:31_160
【页数】:48P;A4
【正文语种】:日语