【英文标准名称】:StandardPracticeforAnalysisandInterpretationofPhysicsDosimetryResultsforTestReactors,E706(II)
【原文标准名称】:试验反应堆的物理放射量测定结果的分析和解释的标准实施规程,E706(II)
【标准号】:ASTME1006-2008
【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】:E10.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:discreteordinates;dosimetry;MonteCarlo;neutronexposureparameters;radiationtransport;testreactor;Dosimetry;Neutronflux/fluence;Nuclearreactorvessels--light-watercooled;Nuclearreactorvessels--surveillance;Physics-dosimetry-metallu
【摘要】:Themechanicalpropertiesofsteelsandothermetalsarealteredbyexposuretoneutronradiation.Thesepropertychangesareassumedtobeafunctionofchemicalcomposition,metallurgicalcondition,temperature,fluence(perhapsalsofluencerate),andneutronspectrum.Theinfluenceofthesevariablesisnotcompletelyunderstood.Thefunctionaldependencybetweenpropertychangesandneutronradiationissummarizedintheformofdamageexposureparametersthatareweightedintegralsovertheneutronfluencespectrum.Theevaluationofneutronradiationeffectsonpressurevesselsteelsandthedeterminationofsafetylimitsrequiretheknowlegeofuncertaintiesinthepredictionofradiationexposureparameters(forexample,dpa(PracticeE693),neutronfluencegreaterthan1.0MeV,neutronfluencegreaterthan0.1MeV,thermalneutronfluence,etc.).Thispracticedescribesrecommendedproceduresanddatafordeterminingtheseexposureparameters(andtheassociateduncertainties)fortestreactorexperiments.Thenuclearindustrydrawsmuchofitsinformationfromdatabasesthatcomefromtestreactorexperiments.Therefore,itisessentialthatreliabledatabasesareobtainedfromtestreactorstoassesssafetyissuesinLightWaterReactor(LWR)nuclearpowerplants.1.1ThispracticecoversthemethodologysummarizedinAnnexA1tobeusedintheanalysisandinterpretationofphysics-dosimetryresultsfromtestreactors.1.2Thispracticerelieson,andtiestogether,theapplicationofseveralsupportingASTMstandardpractices,guides,andmethods.1.3Supportsubjectareasthatarediscussedincludereactorphysicscalculations,dosimeterselectionandanalysis,exposureunits,andneutronspectrumadjustmentmethods.1.4Thispracticeisdirectedtowardsthedevelopmentandapplicationofphysics-dosimetry-metallurgicaldataobtainedfromtestreactorirradiationexperimentsthatareperformedinsupportoftheoperation,licensing,andregulationofLWRnuclearpowerplants.Itspecificallyaddressesthephysics-dosimetryaspectsoftheproblem.Proceduresrelatedtotheanalysis,interpretation,andapplicationofbothtestandpowerreactorphysics-dosimetry-metallurgyresultsareaddressedinPracticesE185,E560,E853,andE1035,GuidesE900,E2005,E2006andTestMethodE646.1.5Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F70
【国际标准分类号】:17_240
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:Specificationforearth-movingmachinery-methodforlocatingthecentreofgravity
【原文标准名称】:土方机械规范.重心定位方法
【标准号】:BS3318-1978
【标准状态】:现行
【国别】:英国
【发布日期】:1978-05-31
【实施或试行日期】:1978-05-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:坐标(数学);机械测量;土方机械;试验设备;重心
【英文主题词】:Buildingmachines;Centreofgravity;Centresofgravity;Determination;Earth-movingequipment;Physicaltesting;Stability
【摘要】:Methodfordeterminingthecoordinatesofthecentreofgravityofmachinerysuchastractors,loaders,dumpersandgraders,inanyconditionofloadingorpositionofattachments.
【中国标准分类号】:P97
【国际标准分类号】:53_100
【页数】:12P;A4
【正文语种】:英语