DIN EN 13274-1-2001 呼吸保护装置.试验方法.第1部分:内部泄漏率和总内部泄漏率测定

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【英文标准名称】:Respiratoryprotectivedevices-Methodsoftest-Part1:Determinationofinwardleakageandtotalinwardleakage;GermanversionEN13274-1:2001
【原文标准名称】:呼吸保护装置.试验方法.第1部分:内部泄漏率和总内部泄漏率测定
【标准号】:DINEN13274-1-2001
【标准状态】:现行
【国别】:德国
【发布日期】:2001-04
【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】:安全工程;防护服装;工作场所安全;泄漏量;面具;呼吸器;规范(验收);定义;漏泄试验;测量;防护设备;密封性;过滤器;职业安全;苏格兰帽;试验;过滤装置;颗粒滤器;呼吸装置;组合过滤器;防护帽;作标记
【英文主题词】:
【摘要】:
【中国标准分类号】:C73
【国际标准分类号】:13_340_30
【页数】:22P;A4
【正文语种】:德语


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Product Code:SAE AS172236
Title:Nut, Spanner, Bearing Retaining, Aeronautical, UNS G41400
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.【英文标准名称】:Petroleumproducts-Calculationofcetaneindexofmiddle-distillatefuelsbyfour-variableequation(ISO4264:2007)EnglishversionofDINENISO4264:2007-11
【原文标准名称】:石油产品.用四变量方程计算中间馏份燃料的十六烷指数
【标准号】:DINENISO4264-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-11
【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】:机动车燃料;十六烷值;测定;馏出物;燃料;索引;液体燃料;材料测试;数学计算;参数;石油产品;数量调查
【英文主题词】:Automotivefuels;Cetanenumber;Determination;Distillates;Fuels;Indexes;Liquidfuels;Materialstesting;Mathematicalcalculations;Parameters;Petroleumproducts;Quantitysurveying
【摘要】:TheinternationalStandarddescribesaprocedureforthecalculationofthecetaneindexofmiddle-distillatefuelsfrompetroleum-derivedsources.Thecalculatedcalueistermedthe"cetaneindexbyfour-cariableequation"ThroughouttheremainingtextofthisinternationalStandard,theterm"cetaneindex"impliescetaneindexbyfour-variableequation.ThisinternationalStandardisnotapplicabletofuelscontainingadditivesforraisingthecetanenumber,nortopurehydrocarbons,nortodistillatefuelsderivedfromcoal.Itisapplicabletofuelscontainingnon-petroleumderivativesfromtarsandandoilshale.NOTE1ThisinternationalStandardwasoriginallydevelopedusingamatrixoffuels,someofwhichcontainnonpetrolemuderivatesformtarsandsandoilshale.Othercetaneindexequationshavesincebeendevelopedwhichcanbemoreapplicabletotarsandsproducts.NOTE2Thecetaneendexisnotanalternativewaytoexpressthecetanenumber;itisasupplementarytool,tobeusedwithdueregardforitslimitations.NOTE3Thecetaneindexisusedtoestimatethecetanenumberofdieselfuelwhenatestengineisnotavailabletodeterminethispropertydirectly,orwheninsufficientsampleisavailableforanenginerating.Incaseswherethecetanenumberofafuelhasbeenprebiouslyestablished,thecetaneindexcanbeusedtoverifythecentanenumberofsubsequentsamplesofthatfuel,probidedthefuel'sourceandmodeofmanufactureremainunchanged.ThececommendedrangeoffuelpropertiesforapplicationofthisinternationalStandardisasfollow: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】:12P.;A4
【正文语种】:德语