【英文标准名称】:Harmonizedsystemofqualityassessmentforelectroniccomponents;blankdetailspecification:presetpotentiometers(assessmentlevelM)
【原文标准名称】:电子元件质量评估协调体系.空白详细规范.第112部分:预调电位器(质量评定等级M)
【标准号】:DIN45922-112-1979
【标准状态】:作废
【国别】:德国
【发布日期】:1979-12
【实施或试行日期】:1979-12
【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】:热学;包装件;电子学;电气工程;质量评定;作标记;电子工程;应力;电阻器;扭矩;详细规范;外观检查(试验);压力;电位器;公差;气候;非线绕电阻器;尺寸;定单;线绕电阻器;大气压
【英文主题词】:Assessmentlevel;Atmosphericpressure;Blankforms;Climate;Detailspecification;Dimensions;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Harmonization;Heat;Marking;Non-wirewoundresistors;Orders(salesdocuments);Packages;Potentiometers(resistors);Pressure;Qualityassessment;Qualityassessmentsystems;Qualityassurancesystems;Resistors;Stress;Tolerances(measurement);Torque;Trimmingpotentiometers;Visualinspection(testing);Wirewoundresistors
【摘要】:
【中国标准分类号】:L14
【国际标准分类号】:31_040_20
【页数】:15P.;A4
【正文语种】:德语


【英文标准名称】:StandardPracticeforLaboratoryBiasDetectionUsingSingleTestResultfromStandardMaterial
【原文标准名称】:用标准物质的单项试验结果检测实验室偏差的标准实施规程
【标准号】:ASTMD6617-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D02.94
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:acceptedreferencevalue;bias;checkstandard;consensus;poweroftest;probabilityofbiasdetection;typeIerror;typeIIerror;Bias;Laboratorytesting;Smalltestresult;Statisticalmethods
【摘要】:LaboratoriesperformingpetroleumtestmethodscanusethispracticetosetanacceptabletolerancezoneforinfrequenttestingofCSorCCSmaterial,basedonx03B5;,andadesiredTypeIerror,forthepurposeofascertainingifthetestmethodisbeingperformedwithoutbias.Thispracticecanbeusedtoestimatethepowerofcorrectlydetectingbiasofdifferentmagnitudes,usingtheacceptabletolerancezonesetin4.1,andhence,gaininsightintothelimitationofthetruebiasdetectioncapabilityassociatedwiththisacceptabletolerancezone.Withthisinsight,trade-offscanbemadebetweendesiredTypeIerrorversusdesiredbiasdetectioncapabilitytosuitspecificbusinessneeds.TheCStestingactivitiesdescribedinthispracticeareintendedtoaugmentandnotreplacetheregularstatisticalmonitoringoftestmethodperformanceasdescribedinPracticeD6299.1.1ThispracticecoversamethodologyforestablishinganacceptabletolerancezoneforthedifferencebetweentheresultobtainedfromasingleimplementationofatestmethodonaCSanditsARV,basedonuser-specifiedTypeIerror,theuser-establishedtestmethodprecision,thestandarderroroftheARV,andapresumedhypothesisthatthelaboratoryisperformingthetestmethodwithoutbias.Note18212;Throughoutthispractice,thetermuserreferstotheuserofthispractice;andthetermlaboratory(see1.1)referstotheorganizationorentitythatisperformingthetestmethod.1.2Forthetolerancezoneestablishedin1.1,amethodologyispresentedtoestimatetheprobabilitythatthesingletestresultwillfalloutsidethezone,intheeventthatthereisabias(positiveornegative)ofauser-specifiedmagnitudethatisdeemedtobeofpracticalconcern(thatis,thepresumedhypothesisisnottrue).1.3ThispracticeisintendedforASTMCommitteeD02testmethodsthatproduceresultsonacontinuousnumericalscale.1.4Thispracticeassumesthatthenormal(Gaussian)modelisadequateforthedescriptionandpredictionofmeasurementsystembehaviorwhenitisinastateofstatisticalcontrol.Note28212;WhilethispracticedoesnotcoverscenariosinwhichmultipleresultsareobtainedonthesameCSundersiteprecisionorrepeatabilityconditions,thestatisticalconceptspresentedareapplicable.UserswishingtoapplytheseconceptsforthescenariosdescribedareadvisedtoconsultastatisticianandtoreferencetheCSmethodologydescribedinPracticeD6299.
【中国标准分类号】:A69
【国际标准分类号】:19_020
【页数】:5P.;A4
【正文语种】:英语