热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

ASTM D6961/D6961M-2009 亚麻纤维颜色测量标准试验方法

作者:标准资料网 时间:2024-05-19 17:06:18  浏览:9346   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforColorMeasurementofFlaxFiber
【原文标准名称】:亚麻纤维颜色测量标准试验方法
【标准号】:ASTMD6961/D6961M-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】:D13.17
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:CIELAB;color;flaxfiber;CIEcolor-scalesystem;Color--textiles;Flaxfiberandproducts;Instrumentalmeasurement--paints/relatedcoatings/materials;Spectrophotometry--atomicabsorption(paints/relatedcoatings)
【摘要】:Fewstandardsexisttoobjectivelyjudgeflaxquality.Colorisanimportantfactorinthequalityofflaxfiber.Naturalvariationsinrawflaxfiber,variousprocessingsteps,fiberblending,andawiderangeofendusescontributetotheneedforastandardmethodofobjectivelymeasuringthecolorofflaxfiber.Spectrophotometicdataprovideanaccurate,precisedeterminationofthecolorofflaxfiber.ColorimetricdataareobtainedthroughspecimenmeasurementbycombiningspecimenspectraldatawithdatarepresentingaCIEstandardobserverandaCIEstandardilluminant,asdescribedinMethodE308.Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwo(ormore)laboratories,comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,usethesamplesforsuchacomparativetestthatareashomogeneousaspossible,drawnfromthesamelotofmaterialasthesamplesthatresultedindisparateresultsduringinitialtestingandrandomlyassignedinequalnumberstoeachlaboratory.Theresultsfromthelaboratoriesinvolvedshouldbecomparedusingastatisticaltestforunpaireddata,aprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatfibersampletypemustbeadjustedinconsiderationoftheknownbias.1.1Thistestmethodcoverstheinstrumentalcolormeasurementofflaxfiber.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W30
【国际标准分类号】:59_060_10
【页数】:3P.;A4
【正文语种】:英语


下载地址: 点击此处下载
Product Code:SAE AMS4905
Title:Titanium Alloy, Damage-Tolerant Grade Plate, 6Al - 4V, Beta Annealed
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers one type of titanium alloy plate in the beta-annealed condition.【英文标准名称】:DepositingWeldMetalPriortoPreparingEndsforWelding,Classes1,2,and3SectionIII,Division1(ANNULLED)(SUPP12)
【原文标准名称】:1、2和3级焊接端调配前的浇管焊缝金属.第III节,第1部分(已作废)(补充件12)
【标准号】:ASMEN-292-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:BoilerandPressureVessel,DepositingWeldMetalPriortoPreparingEndsforWelding,Classes1,2,and3SectionIII,Division1(ANNULLED)(SUPP12)
【中国标准分类号】:J33
【国际标准分类号】:
【页数】:
【正文语种】:英语



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1