BS 7008-2-1988 塑料基本性质可比数据的莸取和显示.第2部分:多点数据法

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【英文标准名称】:Acquisitionandpresentationofcomparabledataforbasicpropertiesofplastics-Methodformultipointdata
【原文标准名称】:塑料基本性质可比数据的莸取和显示.第2部分:多点数据法
【标准号】:BS7008-2-1988
【标准状态】:作废
【国别】:英国
【发布日期】:1988-06-30
【实施或试行日期】:1988-06-30
【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】:多倍;塑料;试样制备;尺寸;数据采集;高聚物;表(数据);试样;试验条件;特性;实验数据;数据表示
【英文主题词】:multiple;specimenpreparation;dimensions;testingconditions;polymers;tables(data);experimentaldata;properties;testspecimens;dataacquisition;datarepresentation;plastics
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:20P;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodfor(AnalyticalProcedure)forDeterminingTransmissivityandStorageCoefficientofNonleakyConfinedAquifersbytheTheisNonequilibriumMethod
【原文标准名称】:非平衡法测定非越流性有侧限的蓄水层透射系数及储存系数的标准试验方法(分析程序)
【标准号】:ASTMD4106-1996(2008)
【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】:aquifertests;aquifers;controlwells;groundwater;hydraulicconductivity;observationwells;storagecoefficient;transmissivity;Aquifers;Coefficientofstorage;Confinedaquifers;Controlwells;Fieldtesting--groundwater/aquifers;Groundwater;H
【摘要】:Assumptions:Welldischargesataconstantrate,Q.Wellisofinfinitesimaldiameterandfullypenetratestheaquifer.Thenonleakyaquiferishomogeneous,isotropic,andaeriallyextensive.Anonleakyaquiferreceivesinsignificantcontributionofwaterfromconfiningbeds.Dischargefromthewellisderivedexclusivelyfromstorageintheaquifer.ThegeometryoftheassumedaquiferandwellconditionsareshowninFig.1.ImplicationsofAssumptions:Implicitintheassumptionsaretheconditionsofradialflow.Verticalflowcomponentsareinducedbyacontrolwellthatpartiallypenetratestheaquifer,thatis,thewellisnotopentotheaquiferthroughitsfullthickness.Ifthecontrolwelldoesnotfullypenetratetheaquifer,thenearestpiezometerorpartiallypenetratingobservationwellshouldbelocatedatadistance,r,beyondwhichverticalflowcomponentsarenegligible,whereaccordingtoReed(2):Thissectionappliestodistance-drawdowncalculationsoftransmissivityandstoragecoefficientandtime-drawdowncalculationsofstoragecoefficient.Ifpossible,computetransmissivityfromtime-drawdowndatafromwellslocatedwithinadistance,r,ofthepumpedwellusingdatameasuredaftertheeffectsofpartialpenetrationhavebecomeconstant.ThetimeatwhichthisoccursisgivenbyHantush(3)by:Fullypenetratingobservationwellsmaybeplacedatlessthandistancerfromthecontrolwell.Observationwellsmaybeonthesameoronvariousradiallinesfromthecontrolwell.TheTheismethodassumesthecontrolwellisofinfinitesimaldiameter.Also,itassumesthatthewaterlevelinthecontrolwellisthesameasintheaquifercontiguoustothewell.Inpracticetheseassumptionsmaycauseadifferencebetweenthetheoreticaldrawdownandfieldmeasurementsofdrawdownintheearlypartofthetestandinandnearthecontrolwell.Controlwellstorageisnegligibleafteratime,t,givenbytheEq6afterWeeks(4).where:rc

【中国标准分类号】:P13
【国际标准分类号】:93_160
【页数】:5P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforBeadUnseatingofTubelessTiresforMotorVehicleswithGVWRof4536kg(10000lb)orLess
【原文标准名称】:等于或少于4536kg(10000lb)额定总重(GVWR)的摩托车用无管轮胎脱圈的标准试验方法
【标准号】:ASTMF2663-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:珠状材料;摩托车;测试;无管轮胎;轮胎;车辆轮胎
【英文主题词】:Beads;Motorvehicles;Testing;Tubelesstyres;Tyres;Vehicletyres
【摘要】:
【中国标准分类号】:G41
【国际标准分类号】:83_160_10
【页数】:9P;A4
【正文语种】:英语