ASTM C1042-1999 使用斜剪切法测定同混凝土一起使用的乳胶粘着强度的测试方法

上一篇: ASTM D2901-1999 新调制的掺土水泥中水泥含量的试验方法
下一篇: ASTM D2533-1999 火花点火发动机燃料气液比的试验方法

【英文标准名称】:Passivefilterunitsforelectromagneticinterferencesuppression-Part2:Sectionalspecification:Passivefilterunitsforwhichsafetytestsareappropriate-Testmethodsandgeneralrequirements(IEC60939-2:2005+Corrigendum:2005);Germanversion
【原文标准名称】:抑制电磁干扰用无源滤波装置.第2部分:分规范:适用于安全试验的无源滤波装置.试验方法和一般要求
【标准号】:DINEN60939-2-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-05
【实施或试行日期】:2006-05-01
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:L17
【国际标准分类号】:31_160
【页数】:45P.;A4
【正文语种】:德语


【英文标准名称】:Petroleumproducts-Calculationofcetaneindexofmiddle-distillatefuelsbythefour-variableequation
【原文标准名称】:石油产品.四变量公式法计算中间馏分燃料的十六烷指数
【标准号】:ISO4264-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC28
【标准类型】:()
【标准水平】:()
【中文主题词】:机动车燃料;十六烷值;测定;馏分;燃料;指数;液体燃料;材料测试;数学计算;参数;石油产品;数量估计
【英文主题词】:Automotivefuels;Cetanenumber;Determination;Distillates;Fuels;Indexes;Liquidfuels;Materialstesting;Mathematicalcalculations;Parameters;Petroleumproducts;Quantitysurveying
【摘要】:ThisInternationalStandarddescribesaprocedureforthecalculationofthecetaneindexofmiddle-distillatefuelsfrompetroleum-derivedsources.Thecalculatedvalueistermedthe“cetaneindexbyfour-variableequation”.ThroughouttheremainingtextofthisInternationalStandard,theterm“cetaneindex”impliescetaneindexbyfour-variableequation.ThisInternationalStandardisnotapplicabletofuelscontainingadditivesforraisingthecetanenumber,nortopurehydrocarbons,nortodistillatefuelsderivedfromcoal.Itisapplicabletofuelscontainingnon-petroleumderivativesfromtarsandandoilshale.NOTE1ThisInternationalStandardwasoriginallydevelopedusingamatrixoffuels,someofwhichcontainnonpetroleumderivatesfromtarsandsandoilshale.Othercetaneindexequationshavesincebeendevelopedwhichcanbemoreapplicabletotarsandsproducts.NOTE2Thecetaneindexisnotanalternativewaytoexpressthecetanenumber;itisasupplementarytool,tobeusedwithdueregardforitslimitations.NOTE3Thecetaneindexisusedtoestimatethecetanenumberofdieselfuelwhenatestengineisnotavailabletodeterminethispropertydirectly,orwheninsufficientsampleisavailableforanenginerating.Incaseswherethecetanenumberofafuelhasbeenpreviouslyestablished,thecetaneindexcanbeusedtoverifythecetanenumberofsubsequentsamplesofthatfuel,providedthefuel'ssourceandmodeofmanufactureremainunchanged.TherecommendedrangeoffuelpropertiesforapplicationofthisInternationalStandardisasfollows:FuelpropertyRecommendedrangeCetanenumber32,5–56,5Densityat15°C,kg/m3805,0–895,010%(V/V)distillationrecoverytemperature,°C171–25950%(V/V)distillationrecoverytemperature,°C212–30890%(V/V)distillationrecoverytemperature,°C251–363Withintherecommendedrangeofcetanenumber(32,5to56,5),theexpectederrorofthepredictionviathecetaneindexequationwillbelessthan±2cetanenumbersfor65%ofthedistillatefuelsexamined.Errorsmaybegreaterforfuelswhosepropertiesfalloutsidetherecommendedrangeofapplication.
【中国标准分类号】:E30
【国际标准分类号】:75_160_20
【页数】:7P.;A4
【正文语种】:英语