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ASTM D5786-1995(2006) 用于测定含水层系统水硬性的流动井中恒定水位下降试验现场程序的标准实施规程

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【英文标准名称】:StandardPracticefor(FieldProcedure)forConstantDrawdownTestsinFlowingWellsforDeterminingHydraulicPropertiesofAquiferSystems
【原文标准名称】:用于测定含水层系统水硬性的流动井中恒定水位下降试验现场程序的标准实施规程
【标准号】:ASTMD5786-1995(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】:(Practice)
【标准水平】:()
【中文主题词】:水力(利)工程;含水土层;试验
【英文主题词】:aquifers;aquifertests;controlwells;groundwater;hydraulicconductivity;observationwells;storagecoefficient;transmissivity
【摘要】:Constantdrawdowntestproceduresareusedwithappropriateanalyticalprocedurestodeterminetransmissivity,hydraulicconductivity,andstoragecoefficientofaquifers.1.1Thispracticecoversthemethodsforcontrollingdrawdownandmeasuringdischargeratesandheadtoanalyzethehydraulicpropertiesofanaquiferoraquifers.1.2ThispracticeisusedinconjunctionwithanalyticalproceduressuchasthoseofJacobandLohman()/(),andHantush()/().1.3TheappropriatefieldandanalyticalproceduresfordetermininghydraulicpropertiesofaquifersystemsareselectedasdescribedinGuideD4043.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:P13
【国际标准分类号】:93_160
【页数】:3P.;A4
【正文语种】:


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【英文标准名称】:Switchgearforaircraft.Miniaturesealedreversecurrent4-polerelays.
【原文标准名称】:飞行器用开关装置.小型密封反向电流四极继电器
【标准号】:NFL58-325-1963
【标准状态】:现行
【国别】:法国
【发布日期】:1963-10-01
【实施或试行日期】:1966-12-30
【发布单位】:(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;尺寸公差;固定;装配尺寸;工业;自由尺寸;飞行器;继电器;连接
【英文主题词】:Aircraft;Assemblydimensions;Connections;Dimensionaltolerances;Dimensions;Fixing;Industries;Relays;Untoleranceddimensions
【摘要】:
【中国标准分类号】:V25
【国际标准分类号】:29_120_70
【页数】:2P.;A4
【正文语种】:其他


【英文标准名称】:StandardSpecificationforWireClothandSievesforTestingPurposes
【原文标准名称】:用于试验的金属丝布和筛的标准规格
【标准号】:ASTME11-2009e1
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:E29.01
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:孔径;刻度筛;屈从筛;检查筛;入口;粒度;筛;筛析;筛网布;筛目编号;试验筛;铁丝网标准筛布;粒子分析;粒度特性
【英文主题词】:aperture;calibrationsieve;compliancesieve;inspectionsieve;opening;particlesize;sieve;sieveanalysis;sievecloth;sievedesignation;testsieve;wovenwiretestsievecloth;Particleanalysis;Particlesizecharacterization
【摘要】:1.1Thisdocumentspecifiesthetechnicalrequirementsfor;thewovenwiretestsievecloth(sievecloth)usedintestsieves,theconstructionoftestsieves,standardandnon-standardtestsieveframesizes,andtestproceduresusedtoinspectsieveclothandthetestsieves.ThisSpecificationappliestotestsievesmanufacturedwithsieveclothhavinganominalaperturesizerangingfrom125millimeters(mm)downto20micrometers(x03BC;m).1.2AdditionalreferenceinformationcanbefoundinSpecificationsE161,E323,E2016,andinTestMethodsC430andE2427.1.3ThevaluesstatedinSIunitsshallbeconsideredstandardforthedimensionsofthesieveclothopeningsandthewirediametersusedinthesievecloth.Thevaluesstatedininch-poundunitsshallbeconsideredstandardwithregardtothesieveframes,pans,andcovers.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y72
【国际标准分类号】:19_120
【页数】:9P.;A4
【正文语种】: