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ASTM D1264-2011 确定润滑脂抗水洗特性的标准试验方法

作者:标准资料网 时间:2020-09-23 23:34:26  浏览:9688   来源:标准资料网
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【英文标准名称】:StandardTestMethodforDeterminingtheWaterWashoutCharacteristicsofLubricatingGreases
【原文标准名称】:确定润滑脂抗水洗特性的标准试验方法
【标准号】:ASTMD1264-2011
【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.G0.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:润滑脂;冲刷;水;耐水性
【英文主题词】:grease;washout;water;Waterresistance
【摘要】:Thistestmethodestimatestheresistanceofgreasestowaterwashoutfromballbearingsunderconditionsofthetest.Nocorrelationwithfieldservicehasbeenestablished.1.1Thistestmethodcoverstheevaluationoftheresistanceofalubricatinggreasetowashoutbywaterfromabearing,whentestedat38and79x00B0;C(100and175x00B0;F)undertheprescribedlaboratoryconditions.Itisnottobeconsideredtheequivalentofserviceevaluationtests.Thistestmethodmaynotbesuitableforsomegreasescontaininghighlyvolatilecomponents.PrecisionandbiaswasdeterminedusinggreaserangingfromNLGI3to0gradesintheresearchreport(seeSection10).1.2ThevaluesstateinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see6.3.
【中国标准分类号】:
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:


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【英文标准名称】:Informationtechnology-Genericdigitalaudio-visualsystems-Part6:Informationrepresentation
【原文标准名称】:信息技术通用数字音频-可视系统第6部分:信息表示
【标准号】:ISO/IEC16500-6-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acousticsignals;Coding(dataconversion);Controlprocedures;Dataconversion;Dataprocessing;Datarepresentation;Definition;Definitions;Digital;Encoding;Generic;Imageprocessing;Information;Informationtechnology;Interfaces(dataprocessing);Layers;Multimedia;Perception;Records;Representations;Soundrecording;Technology;Video;Videorecording;Videosignals
【摘要】:ThispartofISO/IEC16500takesapracticalapproachtothespecificationofInformationRepresentation.JusttheinformationtypesthatcannotbedispensedwithinproducingthesetofDAVICapplications(viz.broadcast,moviesondemand,homeshopping,etc.)arespecified.TheapproachtakeninthispartofISO/IEC16500startsbydefiningthevariousmonomediainformationtypes.Theyincludecharacter,text,fonts,serviceinformation,audio,video,andgraphics.ConsistentwithDAVICprinciples,onetoolisselectedfortheencodingofeachinformationtype.Multimediacomponentscompriseoneormoremonomediacomponents.ThispartofISO/IEC16500definesthewayinwhichmultimediainformationiscodedandexchanged.ThisincludesthedefinitionofavirtualmachineandasetofAPIstosupportinteroperableexchangeofprogramcode.Finally,thispartofISO/IEC16500definesaReferenceDecoderModelforcontentsdecodingwhichprovidesconstraintsoncontent.ThemajorproblemaddressedbythemodelistoensureinteroperabilityofapplicationsbyspecifyingmemoryandbehaviourconstraintsforcontentsdecodingbyahypotheticalSTU,withoutspecifyingtheinternaldesignofanSTU.Anapplicationbuiltaccordingtothereferencedecodermodelwillbean"ISO/IEC16500conformingapplication"andwillsuccessfullyexecuteonaSTUthatiscomplianttoISO/IEC16500.Foreachmonomediaandmultimediacomponentthecodingformatisspecified,aswellasapplicableconstraintsforcodingofthecomponents.Threetypesofmonomediacomponentsaredistinguished.Monomediacomponentswhichareincludedwithinothermonomediacomponents,suchascharacterswithintext,areoftypeimplied.Non-impliedmonomediacomponentsthatdonotrequiresynchronizationwithatimebaseatplayback,areoftypestand-alone.Finally,non-impliedmonomediacomponentsofwhichthepresentationmayrequiresynchronizationwithatimebaseareoftypestream.ThispartofISO/IEC16500defineswhichtypeeachDAVICdefinedmonomediacomponentmaytake,andspecifiesthatthecodedrepresentationofmonomediacomponentsoftypestreamarepacketizedinPESpackets(fordefinitionofPESpacketsrefertoISO/IEC13818-1).PESpacketspermit(1)toincludetimestampstosupportmutualsynchronisationofmultiplemonomediacomponentsinreferencetoacommontimebaseand(2)todefinetimingandbufferbehaviourinacommonreferencemodelforcontentsdecoding.WhiletherearevariouswaystodeliverthemonomediaandmultimediacomponentstotheSTU,ThispartofISO/IEC16500defineshowthecomponentsarecarriedinanMPEG-2TransportStream.DAVICspecifiesanumberofdifferentprofiles.Inaspecificprofiletheremaybesupportofasubsetofthemonomediacomponents.EachSTUthatcompliestoaspecificprofileofDAVICshallbecapableofdecodingandpresentingeachmonomediaandmultimediacomponentpermittedwithinthatprofile.ThispartofISO/IEC16500alsospecifiesmethodsforpackagingofcontentsandmetadata.ThewayinwhichcontentispackagedfordeliveryisindependentofthewayinwhichcontentdataisdeliveredtotheSPS(itmaybedeliveredtoaServiceProvidereitheronphysicalmediaoroveratransmissionsystem).AllprogrammingcontentisrepresentedintheDAVICsystemasmultimediacomponents.Multimediacomponentscompriseoneormoremonomediacomponentscoupledwiththelogicalrelationshipsbetweenthemonomediacomponents.Themultimediacomponentswillbecreatedbycontentprovidersforinputtotheservers.
【中国标准分类号】:L81
【国际标准分类号】:33_160_60;35_040
【页数】:186P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforLow-TemperatureFlexibilityofPreformedTapeSealants
【原文标准名称】:预制封缝带低温韧性的标准试验方法
【标准号】:ASTMC765-1997(2007)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:C24.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建筑;试验;密封带;窄条带材;密封件;密封材料;挠性
【英文主题词】:flexibility;low-temperatureflexibility;preformedtapesealants;tapes;tapesealants
【摘要】:Preformedtapesealantsaretacky,deformablesolidsthatareusedundercompressionbetweentwosubstratesinavarietyofsealingapplications.Thisprocedureisnotintendedtosimulateanactualusecondition,butitwillgivesomeindicationoftheflexibilityandadhesionofatapeatlowtemperature.Itcanservetodifferentiatebetweenflexibletapesthatcantakesomemovementandthosethattendtohardenorembrittleonagingandcrackorloseadhesionwhenflexedatlowtemperature.Itwillalsoaidinidentifyingsealantsthathavepoorflexibilitybecausetheyareoverextendedandcontainalowlevelofbinderaswellasthosesealantshavingbindersthatwillembrittleatlowtemperature.1.1Thistestmethodcoversalaboratoryprocedurefortestingthelow-temperatureflexibilityofpreformedtapesealants.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q24
【国际标准分类号】:91_100_50
【页数】:2P.;A4
【正文语种】:



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