【英文标准名称】:StandardGuideforApplicationofaGround-WaterFlowModeltoaSite-SpecificProblem
【原文标准名称】:地下水流型应用于现场特定问题的标准指南
【标准号】:ASTMD5447-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:computermodel;groundwater;simulation;Ground-watermodel
【摘要】:AccordingtotheNationalResearchCouncil(1),modelapplicationsareusefultoolsto:Assistinproblemevaluation,Designremedialmeasures,Conceptualizeandstudygroundwaterflowprocesses,Provideadditionalinformationfordecisionmaking,andRecognizelimitationsindataandguidecollectionofnewdata.Groundwatermodelsareroutinelyemployedinmakingenvironmentalresourcemanagementdecisions.Themodelsupportingthesedecisionsmustbescientificallydefensibleanddecision-makersmustbeinformedofthedegreeofuncertaintyinthemodelpredictions.Thishaspromptedsomestateagenciestodevelopstandardsforgroundwatermodeling(2).Thisguideprovidesaconsistentframeworkwithinwhichtodevelop,apply,anddocumentagroundwaterflowmodel.Thisguidepresentsstepsideallyfollowedwheneveragroundwaterflowmodelisapplied.Thegroundwaterflowmodelwillbebaseduponamathematicalmodelthatmayusenumerical,analytical,oranyotherappropriatetechnique.Thisguideshouldbeusedbypracticinggroundwatermodelersandbythosewishingtoprovideconsistencyinmodelingeffortsperformedundertheirdirection.Useofthisguidetodevelopanddocumentagroundwaterflowmodeldoesnotguaranteethatthemodelisvalid.Thisguidesimplyoutlinesthenecessarystepstofollowinthemodelingprocess.Forexample,developmentofanequivalentporousmediamodelinkarstterrainmaynotbevalidifsignificantgroundwaterflowtakesplaceinfracturesandsolutionchannels.Inthiscase,themodelercouldfollowallstepsinthisguideandnotendupwithadefensiblemodel.1.1Thisguidecoverstheapplicationandsubsequentdocumentationofagroundwaterflowmodeltoaparticularsiteorproblem.Inthiscontext,x201C;groundwaterflowmodelx201D;referstotheapplicationofamathematicalmodeltothesolutionofasite-specificgroundwaterflowproblem.1.2Thisguideillustratesthemajorstepstotakeindevelopingagroundwaterflowmodelthatreproducesorsimulatesanaquifersystemthathasbeenstudiedinthefield.Thisguidedoesnotidentifyparticularcomputercodes,software,oralgorithmsusedinthemodelinginvestigation.1.3Thisguideisspecificallywrittenforsaturated,isothermal,groundwaterflowmodels.Theconceptsareapplicabletoawiderangeofmodelsdesignedtosimulatesubsurfaceprocesses,suchasvariablysaturatedflow,flowinfracturedmedia,density-dependentflow,solutetransport,andmultiphasetransportphenomena;however,thedetailsoftheseotherprocessesarenotdescribedinthisguide.1.4Thisguideisnotintendedtobeallinclusive.Eachgroundwatermodelisuniqueandmayrequireadditionalproceduresinitsdevelopmentandapplication.Allsuchadditionalanalysesshouldbedocumented,however,inthemodelreport.1.5Thisguideisoneofaseriesofstandardsongroundwatermodelapplications.Otherstandardshavebeenpreparedonenvironmentalmodeling,suchasPracticeE978.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortous1.7Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionw......
【中国标准分类号】:P13
【国际标准分类号】:13_060_10
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:Transportablegascontainers-Specificationforseamlessaluminiumalloygascontainersofwatercapacity0.5Lupto15Landupto300barchargedpressureat15°Cforspecialportableapplication
【原文标准名称】:可运输的气瓶.特殊便携的在15℃时最高达300巴充气压力的水容量为0.5L-15L的无缝铝合金气瓶规范
【标准号】:BS5045-8-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-05-15
【实施或试行日期】:2000-05-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:化学成分;铝合金;温度;压力;认证(认可);作标记;分类系统;便携的;压力试验;设计;使用说明;灭火器;机械试验;容器;气体压力容器;厚度测量;压力容器;超声检验;缺陷与故障;设计计算;呼吸装置;复苏设备;生产;潜水装具;体积;飞行器部件
【英文主题词】:pressuretesting;certification(approval);gaspressurevessels;mechanicaltesting;divingequipment;temperature;resuscitationequipment;defects;aluminiumalloys;containers;ultrasonictesting;designcalculations;pressure;thicknessmeasurement;aircraftcomponents;classificationsystems;production;instructionsforuse;volume;design;breathingapparatus;chemicalcomposition;marking;fireextinguishers;pressurevessels;portable
【摘要】:ThispartofBS5045specifiesrequirementsforthematerials,design,constructionandtestingofseamlessaluminiumalloycontainersofwatercapacitygreaterthan0.5litreupto15litresanduptoandincluding300barchargingpressureat15℃,fortheconveyanceandstorageofgasesunderpressureusedinthefollowingportableapplications:—foruseinaircraft;—forbreathingapparatus;—forunderwaterbreathingdressapparatus;—forresuscitationapparatus;—forfireextinguishers;—forliferaftinflationapparatus.Itincludesannexesgivingexamplesofdesigncalculations,adescriptionofthemethodsforpressuretestingcontainers,adescriptionofthemethodsforultrasonicdefectdetectionandthicknessmeasurementandmodelformsofdesignandacceptancecertificates.Itdoesnotcoverthedesignandmanufactureofportablefireextinguishershavingaworkingpressureuptoandincluding25barat60℃.note:1)1bar=10N/m=100kPa.
【中国标准分类号】:A82
【国际标准分类号】:23_020_30;75_200
【页数】:28P.;A4
【正文语种】:英语