BS 7044 Sec.2.4-1989 人工铺设运动场表面.第2部分:试验方法.第4节:环境性能的测定方法

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【英文标准名称】:Eurocode1-Basisofdesignandactionsonstructures-Part2-1:Actionsonstructures;densities,self-weightandimposedloads;GermanversionENV1991-2-1:1995
【原文标准名称】:欧洲规范1.支承结构设计和支承结构作用原理.第2-1部分:支承结构作用.比重.固有负载.工作负载
【标准号】:DINVENV1991-2-1-1996
【标准状态】:作废
【国别】:德国
【发布日期】:1996-01
【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】:工作负荷;尺寸选定;欧洲法规;结构;自重;相对密度;有效荷载;力;重量;数学计算;质量(物质);效应;建筑
【英文主题词】:selfweight;usefulload;eurocode;dimensioning;structures;weights;construction;mass;operatingload;mathematicalcalculations;relativedensity;effects;force
【摘要】:
【中国标准分类号】:P20
【国际标准分类号】:91_040_00
【页数】:23P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforMotorOctaneNumberofSpark-IgnitionEngineFuel
【原文标准名称】:火花点火发动机燃料的发动机辛烷值的试验方法
【标准号】:ASTMD2700-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:D02.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:航空等级;导板台;爆震强度;发动机辛烷值
【英文主题词】:aviationrating;guidetable;knockintensity;motoroctanenumber
【摘要】:MotorO.N.correlateswithcommercialautomotivespark-ignitionengineantiknockperformanceundersevereconditionsofoperation.MotorO.N.isusedbyenginemanufacturers,petroleumrefinersandmarketers,andincommerceasaprimaryspecificationmeasurementrelatedtothematchingoffuelsandengines.Empiricalcorrelationsthatpermitcalculationofautomotiveantiknockperformancearebasedonthegeneralequation:1.1Thislaboratorytestmethodcoversthequantitativedeterminationoftheknockratingofliquidspark-ignitionenginefuelintermsofMotoroctanenumberexceptthatthistestmethodmaynotbeapplicabletofuelandfuelcomponentsthatareprimarilyoxygenates.Thesamplefuelistestedinastandardizedsinglecylinder,four-strokecycle,variablecompressionratio,carbureted,CFRengineruninaccordancewithadefinedsetofoperatingconditions.Theoctanenumberscaleisdefinedbythevolumetriccompositionofprimaryreferencefuelblends.Thesamplefuelknockintensityiscomparedtothatofoneormoreprimaryreferencefuelblends.TheoctanenumberoftheprimaryreferencefuelblendthatmatchestheknockintensityofthesamplefuelestablishestheMotoroctanenumber.1.2Theoctanenumberscalecoverstherangefrom0to120octanenumber,butthistestmethodhasaworkingrangefrom40to120octanenumber.Typicalcommercialfuelsproducedforautomotivespark-ignitionenginesrateinthe80to90Motoroctanenumberrange.Typicalcommercialfuelsproducedforaviationspark-ignitionenginesrateinthe98to102Motoroctanenumberrange.TestingofgasolineblendstocksorotherprocessstreammaterialscanproduceratingsatvariouslevelsthroughouttheMotoroctanenumberrange.1.3ThevaluesofoperatingconditionsarestatedinSIunitsandareconsideredstandard.Thevaluesinparenthesesarethehistoricalinch-poundsunits.ThestandardizedCFRenginemeasurementscontinuetobeininch-poundunitsonlybecauseoftheextensiveandexpensivetoolingthathasbeencreatedforthisequipment.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Formorespecifichazardstatements,seeSection8,13.4.1,14.5.1,15.6.1,AnnexA1,A2.2.3.1,A2.2.3.3(6)and(9),A2.3.5,X3.3.7,X4.2.3.1,X4.3.4.1,X4.3.9.3,X4.3.12.4,andX4.5.1.8.
【中国标准分类号】:
【国际标准分类号】:75_160_20
【页数】:56P.;A4
【正文语种】: