ASTM F 1811-1997 从表面轮廓数据估测功率谱密度函数和有关的精整参数的标准指南
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【英文标准名称】:StandardPracticeforEstimatingthePowerSpectralDensityFunctionandRelatedFinishParametersfromSurfaceProfileData
【原文标准名称】:从表面轮廓数据估测功率谱密度函数和有关的精整参数的标准指南
【标准号】:ASTMF1811-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:估算;均方根值;均方根;地面坡度;粗糙度;表面粗糙度;表面统计;预测者;功率谱密度;斜度
【英文主题词】:slopes;estimates;surfaceroughness;roughness;analysismethods;statistics;analyticalmethods;finishes
【摘要】:
【中国标准分类号】:A42
【国际标准分类号】:17_040_20
【页数】:13P;A4
【正文语种】:英语
【英文标准名称】:UncertaintyofmeasurementPart3:Guidetotheexpressionofuncertaintyinmeasurement(GUM:1995)Supplement1:PropagationofdistributionsusingaMonteCarlomethod
【原文标准名称】:测量的不确定性.第3部分:测量不确定性的表达指南(GUM-1995).补充件1:用蒙特卡洛法配给物的传播
【标准号】:ISO/IECGUIDE98-3Supplement1-2008
【标准状态】:现行
【国别】:国际
【发布日期】:
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisSupplementprovidesageneralnumericalapproach,consistentwiththebroadprinciplesoftheGUM[ISO/IECGuide98-3:2008,G.1.5],forcarryingoutthecalculationsrequiredaspartofanevaluationofmeasurementuncertainty.TheapproachappliestoarbitrarymodelshavingasingleoutputquantitywheretheinputquantitiesarecharacterizedbyanyspecifiedPDFs[ISO/IECGuide98-3:2008,G.1.4,G.5.3].AsintheGUM,thisSupplementisprimarilyconcernedwiththeexpressionofuncertaintyinthemeasurementofawell-definedphysicalquantity—themeasurand—thatcanbecharacterizedbyanessentiallyuniquevalue[ISO/IECGuide98-3:2008,1.2].ThisSupplementalsoprovidesguidanceinsituationswheretheconditionsfortheGUMuncertaintyframework[ISO/IECGuide98-3:2008,G.6.6]arenotfulfilled,oritisunclearwhethertheyarefulfilled.ItcanbeusedwhenitisdifficulttoapplytheGUMuncertaintyframework,becauseofthecomplexityofthemodel,forexample.Guidanceisgiveninaformsuitableforcomputerimplementation.ThisSupplementcanbeusedtoprovide(arepresentationof)thePDFfortheoutputquantityfromwhicha)anestimateoftheoutputquantity,b)thestandarduncertaintyassociatedwiththisestimate,andc)acoverageintervalforthatquantity,correspondingtoaspecifiedcoverageprobabilitycanbeobtained.Given(i)themodelrelatingtheinputquantitiesandtheoutputquantityand(ii)thePDFscharacterizingtheinputquantities,thereisauniquePDFfortheoutputquantity.Generally,thelatterPDFcannotbedeterminedanalytically.Therefore,theobjectiveoftheapproachdescribedhereistodeterminea),b),andc)abovetoaprescribednumericaltolerance,withoutmakingunquantifiedapproximations.Foraprescribedcoverageprobability,thisSupplementcanbeusedtoprovideanyrequiredcoverageinterval,includingtheprobabilisticallysymmetriccoverageintervalandtheshortestcoverageinterval.ThisSupplementappliestoinputquantitiesthatareindependent,whereeachsuchquantityisassignedanappropriatePDF,ornotindependent,i.e.whensomeorallofthesequantitiesareassignedajointPDF.TypicaloftheuncertaintyevaluationproblemstowhichthisSupplementcanbeappliedincludethoseinwhich-thecontributoryuncertaintiesarenotofapproximatelythesamemagnitude[ISO/IECGuide98-3:2008,G.2.2],-itisdifficultorinconvenienttoprovidethepartialderivativesofthemodel,asneededbythelawofpropagationofuncertainty[ISO/IECGuide98-3:2008,Clause5],-thePDFfortheoutputquantityisnotaGaussiandistributionorascaledandshiftedt-distribution[ISO/IECGuide98-3:2008,G.6.5],-anestimateoftheoutputquantityandtheassociatedstandarduncertaintyareapproximatelyofthesamemagnitude[ISO/IECGuide98-3:2008,G.2.1],-themodelsarearbitrarilycomplicated[ISO/IECGuide98-3:2008,G.1.5],and-thePDFsfortheinputquantitiesareasymmetric[ISO/IECGuide98-3:2008,G.5.3].AvalidationprocedureisprovidedtocheckwhethertheGUMuncertaintyframeworkisapplicable.TheGUMuncertaintyframeworkremainstheprimaryapproachtouncertaintyevaluationincircumstanceswhereitisdemonstrablyapplicable.Itisusuallysufficienttoreportmeasurementuncertaintytooneorperhapstwosignificantdecimaldigits.Guidanceisprovidedoncarryingoutthecalculationtogivereasonableassurancethatintermsoftheinformationprovidedthereporteddecimaldigitsarecorrect.Detailedexamplesillustratetheguidanceprovided.ThisdocumentisaSupplementtotheGUMandistobeusedinconjunctionwithit.OtherapproachesgenerallyconsistentwiththeGUMmayalternativelybeused.TheaudienceofthisSupplementisthatoftheGUM.
【中国标准分类号】:A50
【国际标准分类号】:17_020
【页数】:98P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforSayboltFurolViscosityofBituminousMaterialsatHighTemperatures
【原文标准名称】:高温下沥青材料的赛氏厚油粘性的标准试验方法
【标准号】:ASTME102-1993(2003)e1
【标准状态】:现行
【国别】:
【发布日期】:1993
【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】:D08.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建筑;试验;温度;材料;粘度;沥青;施工材料;沥青制品
【英文主题词】:bituminous;hightemperature;SayboltFurol;viscosity
【摘要】:Thistestmethodisusefulincharacterizingcertainbituminousmaterials,asoneelementinestablishinguniformityofshipmentsandsourcesofsupply.ThistestmethodisanextensionofTestMethodD88.1.1ThistestmethodcoverstheempiricalproceduresfordeterminingtheSayboltFurolviscositiesofbituminousmaterialsatspecifiedtemperaturesbetween120and240176;C(248and464176;F).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.See8.1.
【中国标准分类号】:N34
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】:
