您的位置: 标准下载 » 协会标准 » ASTM 美国材料与试验协会 »

ASTM D5609-1994(2008) 确定地下水流型初始条件的标准指南

作者:标准资料网 时间:2024-05-08 17:41:25  浏览:9441   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardGuideforDefiningBoundaryConditionsinGround-WaterFlowModeling
【原文标准名称】:确定地下水流型初始条件的标准指南
【标准号】:ASTMD5609-1994(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【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】:aquifers;boundarycondition;ground-watermodel;Aquifers;Boundaryconditions;Ground-watermodel;Stress-dependency;Watertable
【摘要】:Accuratedefinitionofboundaryconditionsisanessentialpartofconceptualizingandmodelingground-waterflowsystems.Thisguidedescribesthepropertiesofthemostcommonboundaryconditionsencounteredinground-watersystemsanddiscussesmajoraspectsoftheirdefinitionandapplicationinground-watermodels.Italsodiscussesthesignificanceandspecificationofboundaryconditionsforsomefieldsituationsandsomecommonerrorsinspecifyingboundaryconditionsinground-watermodels.1.1Thisguidecoversthespecificationofappropriateboundaryconditionsthatareanessentialpartofconceptualizingandmodelingground-watersystems.Thisguidedescribestechniquesthatcanbeusedindefiningboundaryconditionsandtheirappropriateapplicationformodelingsaturatedground-waterflowmodelsimulations.1.2Thisguideisoneofaseriesofstandardsonground-waterflowmodelapplications.DefiningboundaryconditionsisastepinthedesignandconstructionofamodelthatistreatedgenerallyinGuideD5447.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.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】:4P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Goodswagonswithbogies;constructionalmeasuring;measuringmethodsforunderframe
【原文标准名称】:带转向架的货车.新结构的测量.底盘的测量过程
【标准号】:DIN25041T.2-1985
【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】:Coaxialcables-Part2-2:sectionalspecificationforcablesusedincableddistributionnetworks-Outdoordropcablesforsystemsoperatingat5MHz-1000MHz.
【原文标准名称】:同轴电缆.第2-2部分:电缆分配网络用电缆分规范.5MHz-1,000MHz范围内工作的系统用户外引入电缆.
【标准号】:NFC90-130-2-2/A1-2008
【标准状态】:现行
【国别】:法国
【发布日期】:2008-04-01
【实施或试行日期】:2008-04-19
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Cabledistributionsystems;Cablednetworks;Cables;Coaxial;Coaxialcables;Connectoredjoints;Definition;Definitions;Design;Electricalengineering;Electricalinstallations;Electricalproperties;Electricalpropertiesandphenomena;Environmentalcondition;Identification;Installationcables;Marking;Materials;Measuringtechniques;Mechanicalproperties;Outsidecables;Properties;Qualityassessmentprocedures;Qualityassurance;Sectionalspecification;Signaltransmission;Specification(approval);Surfacespreadofflame;Testing;Undergroundelectricpowerdistribution
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:33_120_10
【页数】:6P.;A4
【正文语种】:其他