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ISO 6312-1981 道路车辆.制动闸衬.圆盘制动片和轮闸闸瓦装置的剪切强度.试验程序

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【英文标准名称】:Roadvehicles;Brakelinings;Shearstrengthofdiscbrakepadanddrumbrakeshoeassemblies;Testprocedure
【原文标准名称】:道路车辆.制动闸衬.圆盘制动片和轮闸闸瓦装置的剪切强度.试验程序
【标准号】:ISO6312-1981
【标准状态】:作废
【国别】:国际
【发布日期】:1981-03
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC22
【标准类型】:()
【标准水平】:()
【中文主题词】:剪切强度;剪切试验;试验;圆盘制动器;制动瓦;鼓式制动器;制动片;道路车辆
【英文主题词】:discbrakes;tests;sheartests;sheartesting;brakelinings;roadvehicles;brakeshoes;testing;shearstrength;drumbrakes
【摘要】:
【中国标准分类号】:T24
【国际标准分类号】:43_040_40
【页数】:4P;A4
【正文语种】:英语


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【英文标准名称】:TestMethodforDeterminationofAromaticHydrocarbonTypesinAviationFuelsandPetroleumDistillates-HighPerformanceLiquidChromatographyMethodwithRefractiveIndexDetection
【原文标准名称】:测定航空燃料和石油馏份中芳香烃类的标准试验方法.带有反射指数检测的高效液相色谱法
【标准号】:ANSI/ASTMD6379-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:2004-05-01
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:石油产品;试验;芳烃;航空燃料
【英文主题词】:Aromatichydrocarbons;Aviationfuels;Highperformanceliquidchromatography;Petroleumproducts;Testing
【摘要】:Thistestmethodcoversahighperformanceliquidchromatographictestmethodforthedeterminationofmono-aromaticanddi-aromatichydrocarboncontentsinaviationkerosinesandpetroleumdistillatesboilingintherangefrom50to300?C,suchasJetAorJetA-1fuels.Thetotalaromaticcontentiscalculatedfromthesumoftheindividualaromatichydrocarbon-types.Note1-Sampleswithafinalboilingpointgreaterthan300?Cthatcontaintri-aromaticandhigherpolycyclicaromaticcompoundsarenotdeterminedbythistestmethodandshouldbeanalyzedbyTestMethodD6591orothersuitableequivalenttestmethods.Thistestmethodiscalibratedfordistillatescontainingfrom10to25%m/mmono-aromatichydrocarbonsandfrom0to7%m/mdi-aromatichydrocarbons.Theprecisionofthistestmethodhasbeenestablishedforkerosineboilingrangedistillatescontainingfrom10to25%m/mmono-aromatichydrocarbonsandfrom0to7%m/mdi-aromatichydrocarbons.Compoundscontainingsulfur,nitrogen,andoxygenarepossibleinterferents.Mono-alkenesdonotinterfere,butconjugateddi-andpoly-alkenes,ifpresent,arepossibleinterferents.Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:71_040_50;75_160_20
【页数】:
【正文语种】:英语


【英文标准名称】:StandardTestMethodforMicroscopicalAnalysisbyReflectedLightandDeterminationofMesophaseinaPitch
【原文标准名称】:硬沥青的中间相的测定和反射光作显微分析的标准试验方法
【标准号】:ASTMD4616-1995(2008)
【标准状态】:现行
【国别】:美国
【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】:D02.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cenospheres;mesophase;microscopy;optical;pitch;QI;quinoline;Cenospheres;Coalproducts;Grindability;Lighttransmissionandreflection;Mesophase;Microscopicexamination;Opticalanalysis;Pitch;Pointcount;Polishing;Quinoline;Reflectanc
【摘要】:Sometimescoaltarandpetroleumpitchesareheattreatedtherebyformingmesophasespheroids.Themesophasemaybepartiallysolubleinquinolineandcannotbeestimatedbythequinolineinsolubletest(TestMethodD2318).Thistestmethodprovidesfortheidentification,quantitativeestimation,andsizedeterminationofmesophasespheroids.Themesophaseinitiallyformsasspheroidsthatmaycoalescetoformavarietyofasymmetricalshapes.Thesmallestmesophaseparticlethatcanbedetectedwithcertaintyat400x00D7;or500x00D7;magnificationis4x03BC;mindiameter;mesophaseparticlessizeslessthan4x03BC;mshouldbeignored.Ifmesophasemateriallessthan4x03BC;minsizeisofinterest,thenmagnificationsof1000to1800x00D7;shallbeusedandtheresultsshouldbeappropriatelyidentified.Thismethodislimitedtodeterminingminorlevelsofmesophase,thatis,x2264;20%mesophase.1.1Thistestmethodcoverslaboratoryproceduresforthepreparationofgranularandmeltedsamplesformicroscopicanalysisusingreflectedlighttoidentifyandestimatetheamountandsizeofthemesophase.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E43
【国际标准分类号】:91_100_50
【页数】:8P.;A4
【正文语种】:英语