【英文标准名称】:SupplementofASMEB18.18.2m-1987InspectionandQualityAssuranceforHigh-VolumeMachineAssemblyFasteners
【原文标准名称】:ASMEB18.18.2m-1987标准的补充件.大批量机器组装紧固件的检验和质量保证
【标准号】:ASMEB18.18.2MSUPPLEMENT-1994
【标准状态】:作废
【国别】:美国
【发布日期】:1994-01-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:SupplementofASMEB18.18.2m-1987InspectionandQualityAssuranceforHigh-VolumeMachineAssemblyFasteners
【中国标准分类号】:J13
【国际标准分类号】:21_060_01
【页数】:
【正文语种】:英语
基本信息
标准名称: | 进出口油料水分及挥发物检验方法 |
英文名称: | Oil bearing materials for import and export—Method for the determination of moisture and volatile matter |
中标分类: |
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替代情况: | ZB B33011-1987 |
发布日期: | 1999-12-01 |
实施日期: | 2000-05-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
起草单位: | 中华人民共和国国家出入境检验检疫局 |
出版日期: | 1900-01-01 |
页数: | 5页 |
适用范围
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前言
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引用标准
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所属分类:
【英文标准名称】:StandardTestMethodfor(AnalyticalProcedure)forDeterminingTransmissivityandStorageCoefficientofConfinedNonleakyorLeakyAquiferbyConstantDrawdownMethodinFlowingWell
【原文标准名称】:在自流井中用恒定水位降低法测定固定不漏或含水土层泄露比和储水系数(分析程序)的标准试验方法
【标准号】:ASTMD5855-1995(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】:(TestMethod)
【标准水平】:()
【中文主题词】:含水土层;地下水;试验;井的建造;井
【英文主题词】:aquifers;aquifertests;controlwells;groundwater;observationwells;storagecoefficient;transmissivity
【摘要】:Assumptionsx2014;LeakyAquifer:5.1.1Drawdown(sW)inthecontrolwellisconstant,5.1.2Wellisinfinitesimaldiameterandfullypenetratesaquifer,5.1.3Theaquiferishomogeneous,isotropic,andareallyextensive,and5.1.4Thecontrolwellis100%efficient.Assumptionsx2014;NonleakyAquifer:5.2.1Drawdown(sW)inthecontrolwellisconstant,5.2.2Wellisinfinitesimaldiameterandfullypenetratesaquifer,5.2.3Theaquiferishomogeneous,isotropic,andareallyextensive,5.2.4Dischargefromthewellisderivedexclusivelyfromstorageinthenonleakyaquifer,and5.2.5Thecontrolwellis100%efficient.ImplicationsofAssumptions:5.3.1Theassumptionsareapplicabletoconfinedaquifersandfullypenetratingcontrolwells.However,thistestmethodmaybeappliedtopartiallypenetratingwellswherethemethodmayprovideanestimateofhydraulicconductivityfortheaquiferadjacenttotheopenintervalofthewellifthehorizontalhydraulicconductivityissignificantlygreaterthantheverticalhydraulicconductivity.5.3.2Valuesobtainedforstoragecoefficientarelessreliablethanthevaluescalculatedfortransmissivity.Storagecoefficientvaluescalculatedfromcontrolwelldataarenotreliable.1.1Thistestmethodcoversananalyticalsolutionfordeterminingtransmissivityandstoragecoefficientofaleakyornonleakyconfinedaquifer.Itisusedtoanalyzedataontheflowratefromacontrolwellwhileaconstantheadismaintainedinthewell.1.2ThisanalyticalprocedureisusedinconjunctionwiththefieldprocedureinPracticeD5786.1.3Limitations-Thelimitationsofthistechniqueforthedeterminationofhydraulicpropertiesofaquifersareprimarilyrelatedtothecorrespondencebetweenfieldsituationandthesimplifyingassumptionofthesolution.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13;A42
【国际标准分类号】:13_060_10
【页数】:5P.;A4
【正文语种】: