【英文标准名称】:Machineryforforestry.Winches.Performancerequirements.
【原文标准名称】:林业机械.绞车.性能要求
【标准号】:NFU14-030-1995
【标准状态】:作废
【国别】:法国
【发布日期】:1995-12-01
【实施或试行日期】:1995-12-05
【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】:规范;;软轴传动;绞车;林业设备;林业;尺寸;定义;农用设备
【英文主题词】:Agriculturalequipment;Definition;Definitions;Dimensions;Flexibleshaftdrives;Forestry;Forestryequipment;Ropetensileforce;Specifications;Winches
【摘要】:
【中国标准分类号】:B90
【国际标准分类号】:65_060_80
【页数】:7P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforValidationofEmpiricallyDerivedMultivariateCalibrations
【原文标准名称】:由经验得来的多元校准的确认的标准实施规程
【标准号】:ASTME2617-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:E13.11
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:calibrations;empiricallyderivedmultivariatecalibrations;validation;Calibration;MLR(multilinearregression);Multivariateanalyses;PCR(principalcomponentsregression);PLS(partialleastsquares)regression;Validation
【摘要】:Thispracticeoutlinesauniversallyapplicableproceduretovalidatetheperformanceofaquantitativeorqualitative,empiricallyderived,multivariatecalibrationrelativetoanacceptedreferencemethod.Thispracticeprovidesproceduresforevaluatingthecapabilityofacalibrationtoprovidereliableestimationsrelativetoanacceptedreferencemethod.Thispracticeprovidespurchasersofameasurementsystemthatincorporatesanempiricallyderivedmultivariatecalibrationwithoptionsforspecifyingvalidationrequirementstoensurethatthesystemiscapableofprovidingestimationswithanappropriatedegreeofagreementwithanacceptedreferencemethod.Thispracticeprovidestheuserofameasurementsystemthatincorporatesanempiricallyderivedmultivariatecalibrationwithprocedurescapableofprovidinginformationthatmaybeusefulforongoingqualityassuranceoftheperformanceofthemeasurementsystem.Validationinformationobtainedintheapplicationofthispracticeisapplicableonlytothematerialtypeandpropertyrangeofthematerialsusedtoperformthevalidationandonlyfortheindividualmeasurementsystemonwhichthepracticeiscompletelyapplied.Itistheuser''sresponsibilitytoselectthepropertylevelsandthecompositionalcharacteristicsofthevalidationsamplessuchthattheyaresuitabletotheapplication.Thispracticeallowstheusertowriteacomprehensivevalidationstatementfortheanalyzersystemincludingspecificlimitsforthevalidatedrangeofapplicationandspecificrestrictionstothepermittedusesofthemeasurementsystem.Usersarecautionedagainstextrapolationofvalidationresultsbeyondthematerialtype(s)andpropertyrange(s)usedtoobtaintheseresults.Usersarecautionedthatavalidatedempiricallyderivedmultivariatecalibrationisapplicableonlytosamplesthatfallwithinthesubsetpopulationrepresentedinthevalidationset.Theestimationfromanempiricallyderivedmultivariatecalibrationcanonlybevalidatedwhentheapplicabilityofthecalibrationisexplicitlyestablishedfortheparticularmeasurementforwhichtheestimationisproduced.Applicabilitycannotbeassumed.1.1Thispracticecoversrequirementsforthevalidationofempiricallyderivedcalibrations(Note1)suchascalibrationsderivedbyMultipleLinearRegression(MLR),PrincipalComponentRegression(PCR),PartialLeastSquares(PLS),ArtificialNeuralNetworks(ANN),oranyotherempiricalcalibrationtechniquewherebyarelationshipispostulatedbetweenasetofvariablesmeasuredforagivensampleundertestandoneormorephysical,chemical,quality,ormembershippropertiesapplicabletothatsample.Note18212;Empiricallyderivedcalibrationsaresometimesreferredtoasx201C;modelsx201D;orx201C;calibrations.x201D;Inthefollowingtext,forconciseness,thetermx201C;calibrationx201D;maybeusedinsteadofthefullnameoftheprocedure.1.2Thispracticedoesnotcoverproceduresforestablishingsaidpostulatedrelationship.1.3Thispracticeservesasanoverviewoftechniquesusedtoverifytheapplicabilityofanempiricallyderivedmultivariatecalibrationtothemeasurementofasampleundertestandtoverifyequivalencebetweenthepropertiescalculatedfromtheempiricallyderivedmultivariatecalibrationandtheresultsofanacceptedreferencemethodofmeasurementtowithincontrollimitsestablishedfortheprespecifiedstatisticalconfidencelevel.1.4Thisstandarddoesnotpurporttoaddressallofthesafetycon......
【中国标准分类号】:A50
【国际标准分类号】:17_020
【页数】:11P.;A4
【正文语种】:英语