NF X10-300/A1-2004 水文测量.词汇和符号
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来源:标准资料网
【英文标准名称】:Hydrometricdeterminations-Vocabularyandsymbols.
【原文标准名称】:水文测量.词汇和符号
【标准号】:NFX10-300/A1-2004
【标准状态】:作废
【国别】:法国
【发布日期】:2004-05-01
【实施或试行日期】:2004-05-05
【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】:统计学;水常规;词汇;液体比重测量法;地上水;水力(利)工程;流体测量;符号;地下水;水域;术语;地下;流量测量;水文地质学;水文地质学;水文学;水循环;明渠;流速测量;定义
【英文主题词】:Definition;Definitions;Flowmeasurement;Geohydrology;Groundwater;Hydraulicengineering;Hydrogeology;Hydrography;Hydrology;Hydrometer;Hydrometry;Measurementofliquids;Openchannels;Overgroundwaters;Statistics;Symbols;Terminology;Underground;Vocabulary;Watercirculation;Waterpractice;Waters
【摘要】:
【中国标准分类号】:P12
【国际标准分类号】:01_040_17;17_120_20
【页数】:27P.;A4
【正文语种】:其他
【英文标准名称】:Guidefortheprocurementofpowerstationequipment-Commonclauses
【原文标准名称】:发电站设备采购指南.通用条款
【标准号】:BSEN45510-1-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-04-15
【实施或试行日期】:1998-04-15
【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】:现场勘测;技术文献;采购;生产管理;性能;装配;规则;合同;认可试验;投标;技术写作;规范;性能试验;发电站;维修;设计;寿命;检验;验证
【英文主题词】:
【摘要】:Thisstandardgivesguidanceonwritingthetechnicalspecificationfortheprocurementofequipmentforuseinelectricitygeneratingstations(powerstations).ThisGuideforprocurementisnotapplicabletoequipmentforuseinthenuclearreactorplantareaofnuclearpowerstations.OtherpossibleapplicationsofsuchequipmenthavenotbeenconsideredinthepreparationofthisGuide.ThisGuidecoversthosemattersthatarecommontoallequipment(thecommonclauses).InspecificGuides,theequipmentcoveredbytheGuideisdefinedhere.TheequipmentcoveredbythisGuideisdefinedbyitsfunctionratherthandesigntype.Therefore,theguidancetothespecificationisstatedinperformancetermsratherthanbeingspecifiedbyadetaileddescriptionoftheequipmenttobesupplied.ThisGuideindicatestopotentialpurchasershowtheirspecificationshouldbepreparedsothat:-theequipmenttypeandcapacityinterfacescorrectlywithotherelementsofthesystems;-predictedperformanceisachieved;-ancillaryequipmentisproperlysized;-reliability,availabilityandsafetyrequirementsareachieved;-properconsiderationisgiventotheevaluationprocessandthequalitymeasurestobeapplied.ThisGuidedoesnotdeterminethetypeofspecification(e.g.detailed,performance,functional)ortheextentofsupplyforanygivencontractwhichisnormallydecidedonthebasisofthepurchaser'sprojectstrategy.Itdoesnotcover:-anycommercial,contractualorlegalissueswhicharenormallyinseparatepartsofanenquiry;-anyallocationofresponsibilitieswhicharedeterminedbythecontract.ThisGuidedoesnotprescribethearrangementofthedocumentsintheenquiry.NOTE.AsacomprehensiveEuropeanenvironmentalpolicyisstillunderpreparation,thisGuidedoesnotaddresstheenvironmentalimplicationsoftheequipment.
【中国标准分类号】:F20
【国际标准分类号】:27_100
【页数】:18P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingTransmissivityandStorageCoefficientofBounded,Nonleaky,ConfinedAquifers
【原文标准名称】:测定有限的,非越流性,封闭含水层透射率和蓄水系数的标准试验方法
【标准号】:ASTMD5270-1996(2002)
【标准状态】:现行
【国别】:
【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(ASTM)
【起草单位】:D18.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:储存;渗透率;地下水;水常规;试验
【英文主题词】:
【摘要】:Assumptions:5.1.1Thewelldischargesataconstantrate.5.1.2Wellisofinfinitesimaldiameterandisopenthroughthefullthicknessoftheaquifer.5.1.3Thenonleakyconfinedaquiferishomogeneous,isotropic,andareallyextensiveexceptwherelimitedbylinearboundaries.5.1.4Dischargefromthewellisderivedinitiallyfromstorageintheaquifer;later,movementofwatermaybeinducedfromaconstant-headboundaryintotheaquifer.5.1.5ThegeometryoftheassumedaquiferandwellareshowninFig.1orFig.2.5.1.6Boundariesareverticalplanes,infiniteinlengththatfullypenetratetheaquifer.Nowaterisyieldedtotheaquiferbyimpermeableboundaries,whereasrechargingboundariesareinperfecthydraulicconnectionwiththeaquifer.5.1.7Observationwellsrepresenttheheadintheaquifer;thatis,theeffectsofwellborestorageintheobservationwellsarenegligible.ImplicationsofAssumptions:5.2.1Implicitintheassumptionsaretheconditionsofafully-penetratingcontrolwellandobservationwellsofinfinitesimaldiameterinaconfinedaquifer.Undercertainconditions,aquifertestscanbesuccessfullyanalyzedwhenthecontrolwellisopentoonlypartoftheaquiferorcontainsasignificantvolumeofwaterorwhenthetestisconductedinanunconfinedaquifer.TheseconditionsarediscussedinmoredetailinTestMethodD4105.5.2.2Incasesinwhichthistestmethodisusedtolocateanunknownboundary,aminimumofthreeobservationwellsisneeded.Ifonlytwoobservationwellsareavailable,twopossiblelocationsoftheboundaryaredefined,andifonlyoneobservationwellisused,acircledescribingallpossiblelocationsoftheimagewellisdefined.5.2.3Theeffectsofaconstant-headboundaryareoftenindistinguishablefromtheeffectsofaleaky,confinedaquifer.Therefore,caremustbetakentoensurethatacorrectconceptualmodelofthesystemhasbeencreatedpriortoanalyzingthetest.SeeGuideD4043.1.1Thistestmethodcoversananalyticalprocedurefordeterminingthetransmissivity,storagecoefficient,andpossiblelocationofboundariesforaconfinedaquiferwithalinearboundary.Thistestmethodisusedtoanalyzewater-levelorheaddatafromoneormoreobservationwellsorpiezometersduringthepumpingofwaterfromacontrolwellataconstantrate.Thistestmethodalsoappliestoflowingartesianwellsdischargingataconstantrate.Withappropriatechangesinsign,thistestmethodalsocanbeusedtoanalyzetheeffectsofinjectingwaterintoacontrolwellataconstantrate.1.2TheanalyticalprocedureinthistestmethodisusedinconjunctionwiththefieldprocedureinTestMethodD4050.1.3Limitations8212;ThevaliduseofthistestmethodislimitedtodeterminationoftransmissivitiesandstoragecoefficientsforaquifersinhydrogeologicsettingswithreasonablecorrespondencetotheassumptionsoftheTheisnonequilibriummethod(seeTestMethodD4106)(see5.1),exceptthattheaquiferislimitedinarealextentbyalinearboundarythatfullypenetratestheaquifer.Theboundaryisassumedtobeeitheraconstant-headboundary(equivalenttoastreamorlakethathydraulicallyfullypenetratestheaquifer)orano-flow(impermeable)boundary(equivalenttoacontactwithasignificantlylesspermeablerockunit).TheTheisnonequilibriummethodisdescribedinTestMethodsD4105andD4106.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.1.5Thi......
【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】:
