【英文标准名称】:StandardTestMethodforHeatofCombustionofLiquidHydrocarbonFuelsbyBombCalorimeter(PrecisionMethod)
【原文标准名称】:用弹式量热器对液态烃类燃料燃烧热量的标准试验方法(精确度方法)
【标准号】:ASTMD4809-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:机动车燃料;弹式量热器;燃烧热;烃类;试验方法
【英文主题词】:
【摘要】:Theheatofcombustionisameasureoftheenergyavailablefromafuel.Aknowledgeofthisvalueisessentialwhenconsideringthethermalefficiencyofequipmentforproducingeitherpowerorheat.Themassheatofcombustion,thatis,theheatofcombustionperunitmassoffuel,ismeasuredbythisprocedure.Itsmagnitudeisparticularlyimportanttoweight-limitedvehiclessuchasairplanes,surfaceeffectvehicles,andhydrofoilsasthedistancesuchcraftcantravelonagivenweightoffuelisadirectfunctionofthefuel’massheatofcombustionanditsdensity.Thevolumetricheatofcombustion,thatis,theheatofcombustionperunitvolumeoffuel,canbecalculatedbymultiplyingthemassheatofcombustionbythedensityofthefuel(massperunitvolume).Thevolumetricheatofcombustion,ratherthanthemassheatofcombustion,isimportanttovolume-limitedcraftsuchasautomobilesandships,asitisdirectlyrelatedtothedistancetraveledbetweenrefuelings.1.1Thistestmethodcoversthedeterminationoftheheatofcombustionofhydrocarbonfuels.Itisdesignedspecificallyforusewithaviationturbinefuelswhenthepermissibledifferencebetweenduplicatedeterminationsisoftheorderof0.2%.Itcanbeusedforawiderangeofvolatileandnonvolatilematerialswhereslightlygreaterdifferencesinprecisioncanbetolerated.1.2Inordertoattainthisprecision,strictadherencetoalldetailsoftheprocedureisessentialsincetheerrorcontributedbyeachindividualmeasurementthataffectstheprecisionshallbekeptbelow0.04%,insofaraspossible.1.3Undernormalconditions,themethodisdirectlyapplicabletosuchfuelsasgasolines,kerosines,Nos.1and2fueloil,Nos.1-Dand2-DdieselfuelandNos.0-GT,1-GT,and2-GTgasturbinefuels.1.4Throughtheimprovementofthecalorimetercontrolsandtemperaturemeasurements,theprecisionisimprovedoverthatofTestMethodD240.1.5&solely-SI-units;Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,seeSection7,10.6,A1.7.1andAnnexA3.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:9P.;A4
【正文语种】:


【英文标准名称】:Elastomericseals-Materialrequirementsforpipejointsealsusedinwateranddrainageapplications-Part1:Vulcanizedrubber(includesAmendmentsA1:1998+A2:2002+A3:2005andCorrigendumAC:2002);EnglishversionofDINEN681-1:2006-11
【原文标准名称】:弹性密封件.给排水管道连接密封件材料要求.第1部分:硫化橡胶(包括修改件A1-1998+A2-2002+A3-2005和技术勘误AC-2002)
【标准号】:EN681-1-2005
【标准状态】:现行
【国别】:
【发布日期】:2006-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:CE标记;合格证明书;认证(认可);分类;分类系统;合格;名称与符号;排水;饮用水供给;弹性体;硬度;检验;作标记;材料;物理性能;管连接件;管道;管;塑料;生产控制;特性;质量控制;橡胶;橡胶技术;密封层(剂);密封材料;密封环;密封件;污水工程;下水道;规范(验收);暴雨排泄;监督(认可);试验;公差(测量);硬化材料;硫化橡胶;输水管道;水常规
【英文主题词】:CEmark;CEmarking;Certificatesofconformity;Certification(approval);Classification;Classificationsystems;Conformity;Designations;Drainage;Drinkingwatersupply;Elastomers;Hardness;Inspection;Marking;Materials;Physicalproperties;Pipecouplings;Pipelines;Pipes;Plastics;Productioncontrol;Properties;Qualitycontrol;Rubber;Rubbertechnology;Sealants;Sealingmaterials;Sealingrings;Seals;Sewerage;Sewers;Specification(approval);Stormdrainage;Surveillance(approval);Testing;Tolerances(measurement);Vulcanizedmaterials;Vulcanizedrubber;Waterpipelines;Waterpractice
【摘要】:
【中国标准分类号】:J22
【国际标准分类号】:23_040_80
【页数】:25P.;A4
【正文语种】:英语