DIN 2027 T.3-1979 盖圈和扣压盖.可机械堆叠的圆形盖圈的扣压盖
作者:标准资料网 时间:2024-05-12 05:48:19 浏览:8635
来源:标准资料网
【英文标准名称】:Leverringsandleverlids;leverlidsforleverrings,round,destackablebymachine
【原文标准名称】:盖圈和扣压盖.可机械堆叠的圆形盖圈的扣压盖
【标准号】:DIN2027T.3-1979
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardPracticeforCalibrationofLaboratoryVolumetricApparatus
【原文标准名称】:试验室量器校准的标准规程
【标准号】:ASTME542-2001
【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】:校正;实验室器皿
【英文主题词】:Calibration;Laboratoryware;Testing
【摘要】:
【中国标准分类号】:A52
【国际标准分类号】:17_060
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforApplicationandAnalysisofRadiometricMonitorsforReactorVesselSurveillance,E706(IIIA)
【原文标准名称】:反应堆容器监控用辐射测量监控仪应用和分析的标准试验方法E706(IIIA)
【标准号】:ASTME1005-2010
【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】:E10.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:activity;fissionmonitor;monitorfoil;neutronfluence;pressurevessel;radiometricmonitor;reactionrate;reactorsurveillance
【摘要】:Radiometricmonitorsshallprovideaprovenpassivedosimetrytechniqueforthedeterminationofneutronfluencerate(fluxdensity),fluence,andspectruminadiversevarietyofneutronfields.Thesedataarerequiredtoevaluateandestimateprobablelong-termradiation-induceddamagetonuclearreactorstructuralmaterialssuchasthesteelusedinreactorpressurevesselsandtheirsupportstructures.Anumberofradiometricmonitors,theircorrespondingneutronactivationreactions,andradioactivereactionproductsandsomeofthepertinentnuclearparametersoftheseRMsandproductsarelistedinTable1.Table2providesdata(35)onthecumulativeandindependentfissionyieldsoftheimportantfissionmonitors.Notincludedinthesetablesarecontributionstotheyieldsfromphoto-fission,whichcanbeespeciallysignificantfornon-fissilenuclides(23-29,36-39).1.1Thismethoddescribesgeneralproceduresformeasuringthespecificactivitiesofradioactivenuclidesproducedinradiometricmonitors(RMs)bynuclearreactionsinducedduringsurveillanceexposuresforreactorvesselsandsupportstructures.MoredetailedproceduresforindividualRMsareprovidedinseparatestandardsidentifiedin2.1andinRefs11,24-27.Themeasurementresultscanbeusedtodefinecorrespondingneutroninducedreactionratesthatcaninturnbeusedtocharacterizetheirradiationenvironmentofthereactorvesselandsupportstructure.Theprincipalmeasurementtechniqueishighresolutiongamma-rayspectrometry,althoughX-rayphotonspectrometryandBetaparticlecountingareusedtoalesserdegreeforspecificRMs(1-29).1.1.1Themeasurementproceduresincludecorrectionsfordetectorbackgroundradiation,randomandtruecoincidencesumminglosses,differencesingeometrybetweencalibrationsourcestandardsandtheRMs,selfabsorptionofradiationbytheRM,otherabsorptioneffects,radioactivedecaycorrections,andburnoutofthenuclideofinterest(1-10,12-22).1.1.2Specificactivitiesarecalculatedbytakingintoaccountthetimedurationofthecount,theelapsedtimebetweenstartofcountandtheendoftheirradiation,thehalflife,themassofthetargetnuclideintheRM,andthebranchingintensitiesoftheradiationofinterest.Usingtheappropriatehalflifeandknownconditionsoftheirradiation,thespecificactivitiesmaybeconvertedintocorrespondingreactionrates(24-30).1.1.3Proceduresforcalculationofreactionratesfromtheradioactivitymeasurementsandtheirradiationpowertimehistoryareincluded.Areactionratecanbeconvertedtoneutronfluencerateandfluenceusingtheappropriateintegralcrosssectionandeffectiveirradiationtimevalues,and,withotherreactionratescanbeusedtodefinetheneutronspectrumthroughtheuseofsuitablecomputerprograms(24-30).1.1.4TheuseofbenchmarkneutronfieldsforcalibrationofRMscanreducesignificantlyoreliminatesystematicerrorssincemanyparameters,andtheirrespectiveuncertainties,requiredforcalculationofabsolutereactionratesarecommontoboththebenchmarkandtestmeasurementsandthereforeareselfcanceling.Thebenchmarkequivalentfluencerates,fortheenvironmenttested,canbecalculatedfromadirectratioofthemeasuredsaturatedactivitiesinthetwoenvironmentsandthecertifiedbenchmarkfluencerate(24-30).1.2ThismethodisintendedtobeusedinconjunctionwithASTMGuideE844.ThefollowingexistingorproposedASTMpractices,guides,andmetho......
【中国标准分类号】:F82
【国际标准分类号】:17_240
【页数】:10P.;A4
【正文语种】:英语
