BS EN 13172-2001 绝热产品.符合性评定
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【英文标准名称】:Thermalinsulatingproducts-Evaluationofconformity
【原文标准名称】:绝热产品.符合性评定
【标准号】:BSEN13172-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-07-15
【实施或试行日期】:2001-08-15
【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】:质量保证体系;质量保证;绝热材料;施工材料;合格;隔热
【英文主题词】:Approvallaboratories;Certificatesofconformity;Certification;Certification(approval);Checkingequipment;Checks;Complaints;Conformity;Conformitytesting;Construction;Constructionmaterials;Definition;Definitions;Energyeconomics;Evaluations;Insulatingmaterials;Productioncontrol;Qualityassurance;Specification(approval);Surveillance(approval);Testing;Testingdevices;Testingpositions;Thermalconductivity;Thermalinsulatingmaterials;Thermalinsulation;Thermalprotection;Thermalresistance
【摘要】:ThisEuropeanStandardspecifiestheproceduresandthecriteriafortheevaluationoftheconformityofathermalinsulatingproductwiththerelevantEuropeanproductspecification.
【中国标准分类号】:Q25
【国际标准分类号】:91_100_60
【页数】:32P;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforSubsurfaceFlowandTransportModeling
【原文标准名称】:地下流量和传送带模型的制造标准指南
【标准号】:ASTMD5880-1995(2006)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:地面;流体;流动;模拟;模拟;模型;地下水;地下探查;流动模型;水模型制造;计算机模型;地下流体;地下井;导则
【英文主题词】:computermodel;groundwater;simulation
【摘要】:Subsurfacefluidflowmodelingisawellestablishedtoolthatcanaidinstudyingandsolvingsoilandground-waterproblems.Evaluationofmorecomplexproblemshasbeenallowedasaresultofadvancesincomputingpowerandnumericalanalysis,yetconfusionandmisunderstandingoverapplicationofmodelsstillexists.Asaresult,someinappropriateuseoccursandsomeproblemswhichcouldbereadilyaddressedarenot.Thepurposesofthisguidearetointroducethebasicconceptsofsubsurfacefluidsmodelingandtoshowhowmodelsaredescribedandcategorized.Thisguideshouldbeusedbypracticingground-watermodelers,purchasersofmodelingservices,andbythosewishingtounderstandmodeling.1.1Thisguidecoversanoverviewofsubsurfacefluid-flow(ground-water)modeling.Thetermsubsurfacefluidflowisusedtoreducemisunderstandingregardinggroundwater,soilwater,vaporsincludingairinsubsurfacepores,andnon-aqueousphaseliquids.Increasedunderstandingoffluid-flowphenomenaisthecombinedresultoffieldinvestigationsandtheoreticaldevelopmentofmathematicalmethodstodescribetheobservations.Theresultsaremethodsformodelingviscousfluidsandairflow,inadditiontowater,thatarepracticalandappropriate.1.2Thisguideincludesmanytermstoassisttheuserinunderstandingtheinformationpresentedhere.Aground-watersystem(soilsandwater)mayberepresentedbyaphysical,electrical,ormathematicalmodel,asdescribedin.Thisguidefocusesonmathematicalmodels.Thetermmathematicalmodelisdefinedin;however,itwillbemostoftenusedtorefertothesubsetofmodelsrequiringacomputer.1.3Thisguideintroducestopicsforwhichotherstandardshavebeendeveloped.Theprocessofapplyingaground-waterflowmodelisdescribedinGuideD5447.Theprocessincludesdefiningboundaryconditions(GuideD5609),initialconditions(GuideD5610),performingasensitivityanalysis(GuideD5611),anddocumentingaflowmodelapplication(GuideD5718).Otherstepsincludedevelopingaconceptualmodelandcalibratingthemodel.Aspartofcalibration,simulationsarecomparedtosite-specificinformation(GuideD5490),suchaswaterlevels.1.4Modeluseandmisuse,limitations,andsourcesoferrorinmodelingarediscussedinthisstandard.Thisguidedoesnotendorseparticularcomputersoftwareoralgorithmsusedinthemodelinginvestigation.However,thisguidedoesprovidereferencestosomeparticularcodesthatarerepresentativeofdifferenttypesofmodels.1.5Typically,acomputermodelconsistsoftwoparts;computercodethatissometimescalledthecomputerprogramorsoftware,andadatasetthatconstitutestheinputparametersthatmakeuptheboundaryandinitialconditions,andmediumandfluidproperties.Astandardhasbeendevelopedtoaddressevaluationofmodelcodes(seePracticeE978).1.6Standardshavebeenpreparedtodescribespecificaspectsofmodeling,suchassimulatingsubsurfaceairflowusingground-waterflowmodelingcodes(seeGuideD5719)andmodelingaspartoftherisk-basedcorrectiveactionprocessappliedatpetroleumreleasesites(seePracticeE1739).1.7Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocu......
【中国标准分类号】:P55
【国际标准分类号】:13_060_10
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:Determinationofparticlesizedistributionbygravitationalliquidsedimentationmethods-Part3:X-raygravitationaltechnique
【原文标准名称】:用比重液体沉积法测定粒度分布第3部分：X射线比重法
【标准号】:ISO13317-3-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-03
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC24
【标准类型】:()
【标准水平】:()
【中文主题词】:筛分;沉淀;筛选(大小);粒度;粒度;颗粒;试验;粒度测量;液体;导则
【英文主题词】:Grainsize;Guidelines;Liquids;Particlesize;Particlesizemeasurement;Particles;Screening(sizing);Sedimentation;Sieving;Testing
【摘要】:ThispartofISO13317describesamethodforthedeterminationoftheparticlesizedistributionofapowderdispersedinaliquidusinggravitysedimentation.ThemeasurementoftheconcentrationofsolidssettlinginaliquidsuspensionisachievedbymonitoringtheincrementalsignalabsorptionfromabeamofX-rays.ThemethodofdeterminingtheparticlesizedistributiondescribedinthispartofISO13317isapplicabletopowderswhichcanbedispersedinliquidsorpowderswhicharepresentinslurryform.Thetypicalparticlesizerangeforanalysisisfromabout0,5μmtoabout100μm.ThemethodisusedformaterialscontainingparticlesofthesamechemicalcompositionwhichproduceadequateX-rayopacity.
【中国标准分类号】:N50
【国际标准分类号】:19_120
【页数】:11P;A4
【正文语种】:英语
