EJ/T 481-1999 压水堆核电厂镍基合金弹簧丝技术条件
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来源:标准资料网
基本信息
| 标准名称： | 压水堆核电厂镍基合金弹簧丝技术条件 |
| 英文名称： | Specification for nickel base alloy wires of springs for pressurized water reactor nuclear power plants |
| 中标分类： |
能源、核技术 >>
核反应堆 >>
核电厂核岛 |
| ICS分类： |
|
| 替代情况： | EJ/T 481-1989 |
| 发布日期： | 1999-03-04 |
| 实施日期： | 1999-07-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 9页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 能源 核技术 核反应堆 核电厂核岛
【英文标准名称】:Industrial,commercialandgaragedoorsandgates-Mechanicalaspects-Testmethods.
【原文标准名称】:工业,商业和车库门.机械特性.试验方法
【标准号】:NFP25-315-2001
【标准状态】:现行
【国别】:法国
【发布日期】:2001-01-01
【实施或试行日期】:2001-01-20
【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】:大门;手动的;架设(施工作业);持久性;作标记;机动;建筑;性能试验;材料力学性能;试件;测定;试验;电动的;定义;机械性能;建筑物;设计;规范(验收)
【英文主题词】:
【摘要】:
【中国标准分类号】:Q70
【国际标准分类号】:91_060_50
【页数】:23P;A4
【正文语种】:其他
【英文标准名称】:StandardGuideforCalibratingaGround-WaterFlowModelApplication
【原文标准名称】:地下水流模式预测校准的标准指南
【标准号】:ASTMD5981-1996(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:calibration;groundwater;inversemethods;modeling;residual;trial-and-error;uniqueness;verification;Calibration--wateranalysisinstrumentation;Ground-watermodel;Inversemethods;Verification^
【摘要】:Mostsite-specificground-waterflowmodelsmustbecalibratedpriortouseinpredictions.Inthesecases,calibrationisanecessary,butnotsufficient,conditionwhichmustbeobtainedtohaveconfidenceinthemodel''spredictions.Often,duringcalibration,itbecomesapparentthattherearenorealisticvaluesofthehydraulicpropertiesofthesoilorrockwhichwillallowthemodeltoreproducethecalibrationtargets.Inthesecasestheconceptualmodelofthesitemayneedtoberevisitedortheconstructionofthemodelmayneedtoberevised.Inaddition,thesourceandqualityofthedatausedtoestablishthecalibrationtargetsmayneedtobereexamined.Forexample,themodelingprocesscansometimesidentifyapreviouslyundetectedsurveyingerror,whichwouldresultsininaccuratehydraulicheadtargets.Thisguideisnotmeanttobeaninflexibledescriptionoftechniquesforcalibratingaground-waterflowmodel;othertechniquesmaybeappliedasappropriateand,afterdueconsideration,someofthetechniqueshereinmaybeomitted,altered,orenhanced.1.1Thisguidecoverstechniquesthatcanbeusedtocalibrateaground-waterflowmodel.Thecalibrationofamodelistheprocessofmatchinghistoricaldata,andisusuallyaprerequisiteformakingpredictionswiththemodel.1.2Calibrationisoneofthestagesofapplyingaground-watermodelingcodetoasite-specificproblem(seeGuideD5447).Calibrationistheprocessofrefiningthemodelrepresentationofthehydrogeologicframework,hydraulicproperties,andboundaryconditionstoachieveadesireddegreeofcorrespondencebetweenthemodelsimulationsandobservationsoftheground-waterflowsystem.1.3Flowmodelsareusuallycalibratedusingeitherthemanual(trial-and-error)methodoranautomated(inverse)method.Thisguidepresentssometechniquesforcalibratingaflowmodelusingeithermethod.1.4Thisguideiswrittenforcalibratingsaturatedporousmedium(continuum)ground-waterflowmodels.However,thesetechniques,suitablymodified,couldbeappliedtoothertypesofrelatedground-watermodels,suchasmulti-phasemodels,non-continuum(karstorfractureflow)models,ormasstransportmodels.1.5GuideD5447presentsthestepstobetakeninapplyingaground-watermodelingcodetoasite-specificproblem.Calibrationisoneofthosesteps.Otherstandardshavebeenpreparedonenvironmentalmodeling,suchasGuidesD5490,D5609,D5610,D5611,D5718,andPracticeE978.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.7Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Thewordx201C;Standardx201D;inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:P12
【国际标准分类号】:13_060_10
【页数】:6P.;A4
【正文语种】:英语
