您的位置: 标准下载 » 国际标准 » ANSI 美国国家标准 »

ANSI/ASTM D4858-2002 润滑剂促使两冲程汽油发动机预点火可能性的测定方法

作者:标准资料网 时间:2024-05-19 16:17:29  浏览:8938   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:DeterminationoftheTendencyofLubricantstoPromotePreignitioninTwo-Stroke-CycleGasolineEngines,TestMethodfor(05.03)
【原文标准名称】:润滑剂促使两冲程汽油发动机预点火可能性的测定方法
【标准号】:ANSI/ASTMD4858-2002
【标准状态】:作废
【国别】:美国
【发布日期】:2002
【实施或试行日期】:2003-01-21
【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】:试验;内燃机;润滑油
【英文主题词】:Internalcombustionengines;Lubricatingoils;Testing
【摘要】:Thistestmethodevaluatestheperformanceoflubricantsintendedforuseintwo-stroke-cyclespark-ignitiongasolineengineswhicharepronetopreignition.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ThevaluesstatedinSIunitsarethestandard.Thevaluesgiveninparenthesesareprovidedforinformationonly.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforShearPropertiesofCompositeMaterialsbytheV-NotchedBeamMethod
【原文标准名称】:用V形切口梁法测定复合材料剪切性能的标准试验方法
【标准号】:ASTMD5379/D5379M-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:D30.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compositematerials;in-planeshear;interlaminarshear;shearmodulus;shearproperties;shearstrength;sheartesting
【摘要】:Thistestmethodisdesignedtoproduceshearpropertydataformaterialspecifications,researchanddevelopment,qualityassurance,andstructuraldesignandanalysis.Eitherin-planeorinterlaminarshearpropertiesmaybeevaluated,dependingupontheorientationofthematerialcoordinatesystemrelativetotheloadingaxis.Factorsthatinfluencetheshearresponseandshouldthereforebereportedincludethefollowing:material,methodsofmaterialpreparationandlay-up,specimenstackingsequence,specimenpreparation,specimenconditioning,environmentoftesting,specimenalignmentandgripping,speedoftesting,timeattemperature,voidcontent,andvolumepercentreinforcement.Inanisotropicmaterials,propertiesmaybeobtainedinanyofthesixpossibleshearplanesbyorientingthetestingplaneofthespecimenwiththedesiredmaterialplane(1-2or2-1,1-3or3-1,2-3or3-2).Onlyasingleshearplanemaybeevaluatedforanygivenspecimen.Properties,inthetestdirection,whichmaybeobtainedfromthistestmethod,includethefollowing:5.2.1Shearstress/strainresponse,5.2.2Ultimatestrength,5.2.3Ultimatestrain,5.2.4Shearchordmodulusofelasticity,and5.2.5Transitionstrain.1.1Thistestmethodcoverstheshearpropertiesofcompositematerialsreinforcedbyhigh-modulusfibers.Thecompositematerialsarelimitedtocontinuous-fiberordiscontinuous-fiber-reinforcedcompositesinthefollowingmaterialforms:1.1.1Laminatescomposedonlyofunidirectionalfibrouslaminae,withthefiberdirectionorientedeitherparallelorperpendiculartotheloadingaxis.1.1.2Laminatescomposedonlyofwovenfabricfilamentarylaminaewiththewarpdirectionorientedeitherparallelorperpendiculartotheloadingaxis.1.1.3Laminatescomposedonlyofunidirectionalfibrouslaminae,containingequalnumbersofpliesorientedat0and90inabalancedandsymmetricstackingsequence,withthe0directionorientedeitherparallelorperpendiculartotheloadingaxis.1.1.4Short-fiber-reinforcedcompositeswithamajorityofthefibersbeingrandomlydistributed.Note1Thissheartestconceptwasoriginallydevelopedwithoutreferencetofiberdirectionforuseonisotropicmaterialssuchasmetalsorceramics.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetexttheinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_140_20
【页数】:13P.;A4
【正文语种】:英语


【英文标准名称】:Totallyenclosedfan-cooledthree-phaseinductionmotorswithsquirrel-cage,typeIMB5,IMB10,IMB14,withrollingbearings;mountingdimensionsandrelationshipframesizes-outputratings
【原文标准名称】:IMB5、IMB10,、IMB14型带滚动轴承全密封风扇冷却鼠笼三相感应电机.安装尺寸和相关框架尺寸.输出功率
【标准号】:DIN42677-1-1983
【标准状态】:作废
【国别】:德国
【发布日期】:1983-04
【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】:交流电动机;多相交流电动机;冷却;滚动轴承;尺寸;额定值;电动机;异步电动机;三相电动机;鼠笼式电动机;性能;表面
【英文主题词】:
【摘要】:
【中国标准分类号】:K22
【国际标准分类号】:29_160_30
【页数】:5P;A4
【正文语种】:德语