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【英文标准名称】:EstimationofNetandGrossHeatofCombustionofPetroleumFuels,TestMethodfor(05.03)
【原文标准名称】:评定石油燃料燃烧总热值和净热值的试验方法
【标准号】:ANSI/ASTMD4868-1990
【标准状态】:作废
【国别】:美国
【发布日期】:1990
【实施或试行日期】:
【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】:矿物油;机动车燃料;试验;热值
【英文主题词】:Automotivefuels;Calorificvalue;Calorificvalues;Mineraloils;Testing
【摘要】:ThistestmethodcoverstheestimationofthegrossandnetheatofcombustioninSIunits,megajoulesperkilogram,ofpetroleumfuelsfromthefueldensity,sulfur,water,andashcontent.Note1-TheequationforestimationofnetandgrossheatofcombustionusedinthismethodwereoriginallypublishedbytheNISTPublicationNo.97.Thistestmethodisespeciallyusefulforestimating,usingaminimumnumberoftests,theheatofcombustionofburneranddieselfuelsforwhichitisnotusuallycriticaltoobtainverypreciseheatdeterminations.Note2-Moreaccurateestimationmethodsareavailableforaviationfuels(TestMethodsD1405andD3338,andD4529).However,thoseestimationmethodsrequireadditionalteststothoserequiredinthistestmethod.Thistestmethodispurelyempirical(NOTE1).ItisapplicableonlytoliquidhydrocarbonfuelsderivedbynormalrefiningprocessesfromconventionalcrudeoilthatconformtotherequirementsofspecificationsforpetroleumfuelsasdescribedinNote3.Thistestmethodisvalidforthosefuelsinthedensityrangefrom750to1000kg/mandthosethatdonotcontainanunusuallyhigharomaticcontent.Higharomaticcontentfuelswillnotnormallymeetfuelspecificationcriteria.Note3-Theestimationoftheheatofcombustionofahydrocarbonfuelfromitsdensityandsulfur,water,andashcontentisjustifiableonlywhenthefuelbelongstowell-definedclassesforwhicharelationshipbetweenthesequantitieshavebeenderivedfromaccurateexperimentalmeasurementsonrepresentativesamplesoftheseclasses.Evenintheseclasses,thepossibilitythattheestimatemaybeinerrorbylargeamountsforindividualfuelsshouldberecognized.Thistestmethodhasbeentestedforalimitednumberoffuelsfromoilsandbitumenandshaleoiloriginandhasbeenfoundtobevalid.Theclassesoffuelsusedtoestablishthecorrelationpresentedinthistestmethodarerepresentedbythefollowingapplications:Thistestmethodisnotapplicabletopurehydrocarbons.Itisnotintendedasasubstituteforexperimentalmeasurementsofheatofcombustion(Note04).Note4-TheproceduresfortheexperimentaldeterminationofthegrossandnetheatsofcombustionaredescribedinTestMethodsD240andD4809.ThevaluesstatedinacceptableSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:
【正文语种】:英语


【英文标准名称】:Aluminiumandaluminiumalloys.Drawingstock.Part4:specificrequirementsforweldingapplications.
【原文标准名称】:铝和铝合金.拉制坯料.焊接应用的特殊要求
【标准号】:NFA50-650-4-1997
【标准状态】:作废
【国别】:法国
【发布日期】:1997-11-01
【实施或试行日期】:1997-11-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:材料;试验;机械性能;化学分析和试验;验收规范;规范(验收);铝;交货条件;半成品;焊接工程;填充金属丝;拔丝原料;铝线;化学成分;铝合金
【英文主题词】:
【摘要】:
【中国标准分类号】:H61
【国际标准分类号】:77_150_10
【页数】:8P;A4
【正文语种】:其他