ASTM D6913-2004(2009) 使用筛分法测定粒度分布(粒级作用)的标准试验方法

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【英文标准名称】:StandardTestMethodsforParticle-SizeDistribution(Gradation)ofSoilsUsingSieveAnalysis
【原文标准名称】:使用筛分法测定粒度分布(粒级作用)的标准试验方法
【标准号】:ASTMD6913-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D18.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:gradation;grainsize;particlesize;particle-sizedistribution;sieveanalysis;sieving;Gradation;Particleanalysis--soil;Particlesizedistribution;Sieveanalysis--soil/rock
【摘要】:ThegradationofthesoilisusedforclassificationinaccordancewithPracticeD2487.Thegradation(particle-sizedistribution)curveisusedtocalculatethecoefficientofuniformityandthecoefficientofcurvature.Selectionandacceptanceoffillmaterialsareoftenbasedongradation.Forexample,highwayembankments,backfills,andearthendamsmayhavegradationrequirements.Thegradationofthesoiloftencontrolsthedesignandqualitycontrolofdrainagefilters,andground-waterdrainage.Selectionofoptionsfordynamiccompactionandgroutingisrelatedtogradationofthesoil.Thegradationofasoilisanindicatorofengineeringproperties.Hydraulicconductivity,compressibility,andshearstrengtharerelatedtothegradationofthesoil.However,engineeringbehaviorisdependentuponmanyfactors(suchaseffectivestress,stresshistory,mineraltype,structure,plasticity,andgeologicorigins)andcannotbebasedsolelyupongradation.Note18212;Thequalityoftheresultproducedbythesetestmethodsisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthesetestmethodsarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Soilsconsistofparticleswithvariousshapesandsizes.Thistestmethodisusedtoseparateparticlesintosizerangesandtodeterminequantitativelythemassofparticlesineachrange.Thesedataarecombinedtodeterminetheparticle-sizedistribution(gradation).Thistestmethodusesasquareopeningsievecriterionindeterminingthegradationofsoilbetweenthe3-in.(75-mm)andNo.200(75-x00B5;m)sieves.1.2Theterms,soilsandmaterial,areusedinterchangeablythroughoutthestandard.1.3Incaseswherethegradationofparticleslargerthan3in.(75mm)sieveisrequired,TestMethodD5519maybeused.1.4IncaseswherethegradationofparticlessmallerthanNo.200(75-x00B5;m)sieveisrequired,TestMethodD422maybeused.1.5Typically,ifthemaximumparticlesizeisequaltoorlessthan4.75mm(No.4sieve),thensingle-setsievingisapplicable.Furthermore,ifthemaximumparticlesizeisgreaterthan4.75mm(No.4sieve)andequaltoorlessthan9.5mm(3/8-insieve),theneithersingle-setsievingorcompositesievingisapplicable.Finally,ifthemaximumparticlesizeisequaltoorgreaterthan19.0mm(3/4-insieve),compositesievingisapplicable.Forspecialconditionssee10.3.1.6Twotestmethodsareprovidedinthisstandard.Themethodsdifferinthesignificantdigitsrecordedandthesizeofthespecimen(mass)required.Themethodtobeusedmaybespecifiedbytherequestingauthority;otherwiseMethodAshallbeperformed.1.6.1MethodA8212;Thepercentage(bymass)passingeachsievesizeisrecordedtothenearest1%.Thismethodmustbeusedwhenperformingcompositesieving.Forcasesofdisputes,MethodAistherefereemethod.1.6.2MethodB8212;Thepercentage(bymass)passingeachsievesizeisrecorded......
【中国标准分类号】:A42
【国际标准分类号】:13_080_20
【页数】:34P.;A4
【正文语种】:英语


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【英文标准名称】:Testingofmaterialsforsemiconductortechnology;determinationofthedopantconcentrationprofileofsinglecrystallinesemiconductormaterialbymeansofthecapacitancevoltagemethodandmercurycontact
【原文标准名称】:半导体技术材料的试验.用电容--电压法和水银接点确定单晶层半导体材料中掺杂剂的浓度分布曲线
【标准号】:DIN50439-1982
【标准状态】:作废
【国别】:德国
【发布日期】:1982-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:半导体工艺;硅;半导体;外形;试验;定义;水银开关
【英文主题词】:Definition;Definitions;Mercuryswitches;Profile;Semiconductortechnology;Semiconductors;Silicon;Testing
【摘要】:Testingofmaterialsforsemiconductortechnology;determinationofthedopantconcen-trationprofileofsinglecrystallinesemiconductormaterialbymeansofthecapacitance-voltagemethodandmercurycontactEssaisdesmatériauxpourlatechnologiesemi
【中国标准分类号】:H82
【国际标准分类号】:29_045
【页数】:6P;A4
【正文语种】:德语


【英文标准名称】:Informationtechnology-Trustedplatformmodule-Designprinciples
【原文标准名称】:信息技术.信任平台模型.设计原则
【标准号】:BSISO/IEC11889-2-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-06-30
【实施或试行日期】:2009-06-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:通路;入口控制;算法;校验;芯片;译码;通信协议;计算机系统;计算机终端;计算机;数据电路;数据交换;数据处理;数据保护;数据安全;设计;五金件;识别;身份;信息交换;信息技术;完整性;钥匙;模数;PC;个人计算机;可靠性;要求;安全性;安全性要求;软件;规范(验收);信任平台模型
【英文主题词】:Access;Accesscontrols;Algorithms;Authentication;Chips;Coding;Communicationprotocol;Computersystems;Computerterminals;Computers;Datacircuit;Dataexchange;Dataprocessing;Dataprotection;Datasecurity;Design;Hardware;Identification;Identity;Informationinterchange;Informationtechnology;Integrity;Keys;Modules;PC;Personalcomputers;Reliability;Requirements;Safety;Safetyrequirements;Software;Specification(approval);TrustedPlatformModules
【摘要】:
【中国标准分类号】:L70
【国际标准分类号】:35_040
【页数】:156P;A4
【正文语种】:英语