【英文标准名称】:DTU53.2-Buildingworks-Plasticfloorcoverings-Part1:technicalspecifications.
【原文标准名称】:DTU53.2.建筑工程.塑料地面覆盖物.第1部分:技术规范
【标准号】:NFP62-203-1-1993
【标准状态】:作废
【国别】:法国
【发布日期】:1993-05-01
【实施或试行日期】:1993-05-05
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Q18
【国际标准分类号】:83_140_99;97_150
【页数】:30P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforRectificationofSpectrophotometricBandpassDifferences
【原文标准名称】:光谱光度测量的带通差异调整的标准实施规程
【标准号】:ASTME2729-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E12.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:bandpassrectification;spectraldeconvolution
【摘要】:Failuretomakesucharectificationintroducesdifferencesfromthetruevalueofthespectrumofabout0.02to0.4x0394;E*abunits.Allusersarerequiredtomakearectificationofsuchbandpassdifferences.Itisespeciallyincumbentuponwritersofcomputerprogramswhosefunctionitistoacquiresuchspectrafrominstrumentstoseethatacompetentrectificationisimplementedintheprogrambeforeanyadditionalprocessingofthespectrum,orcalculationsinvolvingthespectrumareaccomplished,orbeforethespectrumismadeavailabletoauser.Legacymeasuringsystemsareexplicitlyexemptedfromanyrequirementsforretrofittingofhardwareorsoftwareandmaycontinuetoutilizepreviouslyacceptedmethodsofmakingthebandwidthrectification.1.1Thisstandardoutlinesthemethodsthatcanbeusedtodeconvolve,atleastpartially,thespectralbandpassdifferencesofrawspectraldataacquiredbyabridgedspectrophotometry.Suchdifferencesareintroducedbecausethespectralpassbandmustbeofsignificantbandwidthtoallowsufficientenergytoreachthedetector.Ontheotherhand,thespectraldatathatshouldbebeingreportedisthatofavirtual1-nmbandwidthspectruminordertobeusefulintheCIEmethodoftristimulusintegrationwhichinvolves1-nmsummation.1.2Thestandardestablishespracticesforwhether,when,andhowabandpassrectificationshouldbemadetoanyreflectanceortransmittancespectrumacquiredbyabridgedspectrophotometry.1.3Itisapplicablewheretheshapeofthepassbandistriangularandthebandwidthisequaltothemeasurementintervalbetweenpassbands.InformationisprovidedinSection7foruserswhenthatconditionisnotsatisfactorilymet.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A60
【国际标准分类号】:71_040_50
【页数】:3P.;A4
【正文语种】:英语