【英文标准名称】:Wroughtnickelalloyswithcopper;chemicalcomposition
【原文标准名称】:含铜的镍塑性合金.成分
【标准号】:DIN17743-1963
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
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【英文标准名称】:Colorimetry.CIE1976L*a*b*Colourspace
【原文标准名称】:比色法.CIE1976L*a*b*颜色空间
【标准号】:BSENISO11664-4-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2010-04-30
【实施或试行日期】:2010-04-30
【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】:Brightness(ofcolour);CIELABformulae;Colorimetric;Colorimetricmeasures;Colorimetry;Colour;Colourdifferences;Colourshades;Colourspaces;Coloursystems;Colourvalue;Coordinates(mathematics);Determination;Formulae;Hues;Illuminants;Lightingsystems;Mathematicalcalculations
【摘要】:ThisCIEStandardspecifiesthemethodofcalculatingthecoordinatesoftheCIE1976L*a*b*colourspaceincludingcorrelatesoflightness,chromaandhue.ItincludestwomethodsforcalculatingEuclideandistancesinthisspacetorepresenttheperceivedmagnitudeofcolourdifferences.TheStandardisapplicabletotristimulusvaluescalculatedusingcolour-matchingfunctionsoftheCIE1931standardcolorimetricsystemortheCIE1964standardcolorimetricsystem.TheStandardmaybeusedforthespecificationofcolourstimuliperceivedasbelongingtoareflectingortransmittingobject,whereathree-dimensionalspacemoreuniformthantristimulusspaceisrequired.Itdoesnotapplytocolourstimuliperceivedasbelongingtoanareathatappearstobeemittinglightasaprimarylightsource,orthatappearstobespecularlyreflectingsuchlight.ThisStandarddoesapplytoself-luminousdisplays,likecathoderaytubes,iftheyarebeingusedtosimulatereflectingortransmittingobjectsandifthestimuliareappropriatelynormalized.
【中国标准分类号】:A42
【国际标准分类号】:17_180_20
【页数】:22P.;A4
【正文语种】:英语