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DIN EN 12681-2003 锻造.X射线照相检验

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【英文标准名称】:Founding-Radiographicexamination;GermanversionEN12681:2003
【原文标准名称】:锻造.X射线照相检验
【标准号】:DINEN12681-2003
【标准状态】:现行
【国别】:德国
【发布日期】:2003-06
【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】:有色金属;误差检测;精整;放射源;铸钢;缺陷与故障;灰口铁;铸造生产;金属的;辐照;试验类别;数字;铸造(学);放射性试验;辐射;爆破;γ辐射;影片;黑色金属;表面不连续性;金属;电离辐射;评定;无损检验;表面;试验;材料试验;
【英文主题词】:
【摘要】:ThisEuropeanStandardgivesspecificproceduresforindustrialX-radiationandgammaradiographyfordiscontinuitydetectionpurposes,usingfilmtechniques.Theseproceduresareapplicabletocastingsproducedbyanycastingprocess,especiallyforsteel,castiron,magnesium,zinc,copper,nickel,aluminium,titaniumandanyalloysofthem.ThisEuropeanStandarddoesnotapplyto:-thetestingofweldedjoints;-acceptancecriteria;-radioscopy(realtimeinspection).#,,#
【中国标准分类号】:J32
【国际标准分类号】:77_040_20
【页数】:20P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforDispersiveCharacteristicsofClaySoilbyDoubleHydrometer
【原文标准名称】:用双倍流体比重计测定粘土的分散特性的试验方法
【标准号】:ASTMD4221-1999(2005)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:D18.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:瓷土;试验设备;施工材料;试验;建筑;土壤;分散;流体比重计;特性
【英文主题词】:clays;deflocculation;dispersion;dispersiveclay;erosion;gradation;hydrometeranalysis;jugging;particlesize;piping
【摘要】:Dispersiveclaysarethosewhichnormallydeflocculatewhenexposedtowateroflow-saltconcentration,theoppositeofaggregatedclaysthatwouldremainflocculatedinthesamesoil-watersystem(3,4,7).Generally,dispersiveclaysarehighlyerosive,possiblysubjecttohighshrink-swellpotential,mayhavelowershearstrength,andhavelowerpermeabilityratesthanaggregatedclays.Availabledata(1)indicatesthatthetestmethodhasabout85%relianceinpredictingdispersiveperformance(85%ofdispersiveclaysshowmorethan35%dispersion).Sincethistestmethodmaynotidentifyalldispersiveclays,designdecisionsbasedsolelyonthistestmethodmaynotbeconservative.Itisoftenruninconjunctionwiththecrumbtest(4,7),thepinholetestgiveninTestMethodD4647,ortheanalysisofporewaterextract(4,7),orcombinationthereof,toidentifypossibledispersiveclaybehavior.Note18212;Notwithstandingthestatementonprecisionandbiascontainedinthistestmethod;theprecisionofthistestmethodisdependentonthecompetenceofthepersonalperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting.UsersofthistestmethodarecautionedthatcompliancewithPracticeD3740doesnotinitselfensurereliabletesting.Reliabletestingdependsonseveralfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thistestmethod,whenusedinconjunctionwithatestperformedbyTestMethodD422onaduplicatesoilsample,providesanindicationofthenaturaldispersivecharacteristicsofclaysoils().1.2Thistestmethodisapplicableonlytosoilswithaplasticityindexgreaterthan4asdeterminedinaccordancewithTestMethodD4318andmorethan12%ofthesoilfractionfinerthan5-masdeterminedinaccordancewithTestMethodD422().1.3ThistestmethodissimilartoTestMethodD422,exceptthatthismethodcoversthedeterminationofpercentofsoilparticlessmallerthan5-mindiameterinasoil-watersuspensionwithoutmechanicalagitationandtowhichnodispersingagenthasbeenadded.1.4Theamountofparticlessmallerthan5-mdeterminedbythismethodcomparedwiththetotalamountofparticlessmallerthan5-mdeterminedbyTestMethodD422isameasureofthedispersivecharacteristicsofthesoil.1.5Thistestmethodmaynotidentifyalldispersiveclaysoils.Pinholes(TestMethodD4647andcrumbtests,orboth,()ortheanalysisofporewaterextract()maybeperformedtohelpverifydispersion.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N51
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:TraceEthyleneGlycolinUsedEngineOil,TestMethodfor(05.02)
【原文标准名称】:用过的发动机油中痕量乙二醇的试验方法
【标准号】:ANSI/ASTMD4291-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:石油产品;润滑剂;含量测定;试验
【英文主题词】:lubricants;determinationofcontent;petroleumproducts;testing
【摘要】:
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:
【正文语种】:英语