MIL-C-19311
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来源:标准资料网
MIL-C-19311, MILITARY SPECIFICATION: COPPER CHROMIUM ALLOW FORGINGS, WROUGHT ROD, BAR, AND STRIP (COPPER ALLOY NUMBERS 182, 184, and 185) (16 MAR 1973)., This specification covers copper-chromium -alloy forgings and also wrought material in rod, bar, and strip form which have been solution heat treated, quenched, cold worked, as applicable, and precipitation heat treated. (See 6.1.)
【英文标准名称】:StandardTestMethod(AnalyticalProcedure)forDeterminingtheEfficiencyofaProductionWellinaConfinedAquiferfromaConstantRatePumpingTest
【原文标准名称】:通过一连续比率的泵试验对限制性含水层内生产井效率测定的标准试验方法(分析方法)
【标准号】:ASTMD6034-1996(2010)e1
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:anisotropy;aquifers;aquifertests;controlwells;groundwater;hydraulicconductivity;observationwells;storagecoefficient;transmissivity;wellefficiency;Transmissivity;Wellefficiency;Anisotropy;Aquifers;Controlwells;Groundwater;H
【摘要】:Thistestmethodallowstheusertocomputethetruehydraulicefficiencyofapumpedwellinaconfinedaquiferfromaconstantratepumpingtest.Theproceduresdescribedconstitutetheonlyvalidmethodofdeterminingwellefficiency.Somepractitionershaveconfusedwellefficiencywithpercentageofheadlossassociatedwithlaminarflow,aparametercommonlydeterminedfromastep-drawdowntest.Wellefficiency,however,cannotbedeterminedfromastep-drawdowntestbutonlycanbedeterminedfromaconstantratetest.Assumptions:Controlwelldischargesataconstantrate,Q.Controlwellisofinfinitesimaldiameter.Dataareobtainedfromthecontrolwelland,ifavailable,anumberofobservationwells.Theaquiferisconfined,homogeneous,andareallyextensive.Theaquifermaybeanisotropic,andifso,thedirectionsofmaximumandminimumhydraulicconductivityarehorizontalandvertical,respectively.Dischargefromthewellisderivedexclusivelyfromstorageintheaquifer.CalculationRequirements8212;Forthespecialcaseofpartiallypenetratingwells,applicationofthistestmethodmaybecomputationallyintensive.ThefunctionfsshowninEq6mustbeevaluatedusingarbitraryinputparameters.Itisnotpracticaltouseexisting,somewhatlimited,tablesofvaluesforfsand,becausethisequationisratherformidable,itisnotreadilytractablebyhand.Becauseofthis,itisassumedthepractitionerusingthistestmethodwillhaveavailableacomputerizedprocedureforevaluatingthefunctionfs.Thiscanbeaccomplishedusingcommerciallyavailablemathematicalsoftwareincludingsomespreadsheetapplicationsorbywritingprogramsinlanguages,suchasFortranorC.Ifcalculatingfsisnotpractical,itispossibletosubstitutetheKozenyequationfortheHantushequationaspreviouslydescribed.1.1Thistestmethoddescribesananalyticalprocedurefordeterminingthehydraulicefficiencyofaproductionwellinaconfinedaquifer.Itinvolvescomparingtheactualdrawdowninthewelltothetheoreticalminimumdrawdownachievableandisbasedupondataandaquifercoefficientsobtainedfromaconstantratepumpingtest.1.2Thisanalyticalprocedureisusedinconjunctionwiththefieldprocedure,TestMethodD4050.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard,exceptasnotedbelow.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunits,whichareprovidedforinformationonlyandarenotconsideredstandard.1.3.1Thegravitationalsystemofinch-poundunitsisusedwhendealingwithinch-poundunits.Inthissystem,thepound(lbf)representsaunitofforce(weight),whiletheunitformassisslugs.1.4Limitations8212;Thelimitationsofthetechniquefordeterminationofwellefficiencyarerelatedprimarilytothecorrespondencebetweenthefieldsituationandthesimplifyingassumptionofthistestmethod.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:93_160
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:Healthinformatics-Bloodtransfusionmessages-Prescriptionmessageforlabilebloodproducts.
【原文标准名称】:保健信息科学.输血信息.易变血制品处方信息.
【标准号】:NFS97-536-2010
【标准状态】:现行
【国别】:法国
【发布日期】:2010-11-01
【实施或试行日期】:2010-11-27
【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】:Bloodtransfusions;Dataprocessing;Datatransmission;Exportation;Informationexchange;Medicalinformatics;Messages;Specification
【摘要】:
【中国标准分类号】:C07
【国际标准分类号】:35_240_80
【页数】:19P;A4
【正文语种】:其他
