【英文标准名称】:IntegratedServicesDigitalNetwork(ISDN);ClosedUserGroup(CUG)supplementaryservice;DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;englishversionETS300138:1992
【原文标准名称】:综合业务数字网络(ISDN).封闭式用户组的附加服务.数字用户信号系统1号(DSS1)协议
【标准号】:DINETS300138-1992
【标准状态】:作废
【国别】:德国
【发布日期】:1992-11
【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】:电信;用户;综合服务数字网络;传输协议;数字连接;电话交换站;信号传输
【英文主题词】:digitalconnections;transmissionprotocol;telecommunication;telecommunications;signaltransmission;isdn;telephoneexchanges;users
【摘要】:
【中国标准分类号】:L78
【国际标准分类号】:2450
【页数】:31P;A4
【正文语种】:德语


【英文标准名称】:StandardPracticeforEvaluatingtheCompatibilityofAdditiveswithAviation-TurbineFuelsandAircraftFuelSystemMaterials
【原文标准名称】:添加剂与航空涡轮机燃料和飞机燃烧体系材料相容性评价的标准实施规程
【标准号】:ASTMD4054-1993(2003)
【标准状态】:现行
【国别】:
【发布日期】:1993
【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.J0.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:兼容性;填充料;石油产品;工艺;评定
【英文主题词】:additives;aviationfueladditives;compatibility;fuelsystem
【摘要】:Additivesaregenerallyusedtoenhanceafuelpropertysuchasoxidationstabilityortoimprovefuelperformancebyprovidingcorrosioninhibition,protectionagainsticing,metaldeactivation,andsoforth.However,theirusecanadverselyaffectotherfuelpropertiesortheground-handlingsystemsforfuels.Applicationoftheproceduresofthispracticeisintendedtodisclosetheseadverseeffects.Combinationsofadditivesmayexhibitantagonisticeffectsonfuelpropertiesorperformance.Compatibilitytestingwithpreviouslyapprovedadditivesisintendedtodisclosesuchantagonisticeffectsofincompatibilities.Fuelsystemcomponentssuchassealants,coatings,andelastomersarenormallyselectedbecauseoftheirresistancetoaReferenceTestFluid,whichisdesignedtobemoreseveretocomponentsthanstandardfuels.ApplicationoftheproceduresofthispracticeisintendedtodiscloseadverseeffectsofadditivesbeyondtheeffectsoftheReferenceTestFluids.1.1Thispracticecoversproceduresrequiredtodeterminethecompatibilityofadditivesproposedforaviationturbinefuelswithbothstandardizedfuelsandthematerialscommonlyusedincommercialaircraftfuelsystemconstruction.1.2SatisfactoryevidenceofcompatibilityusingthispracticeisrequiredbytheASTMGuidelinesforAdditiveApproval(ResearchReportD02-1125)foradditivesspecifiedinSpecificationD1655andalsobyindividualaircraftandenginemanufacturersaswellasgovernmentagencies.1.3Compatibilitydataresultingfromtheseproceduresrepresentonlypartoftheperformanceinformationrequiredforadditiveapproval.1.4Theactuallevelofacceptanceisestablishedbytheindividualapprovinggroups.1.5Whileeffortsaremadetomaintainthelistoffuelsystemmaterialstobetestedandtokeepitcurrent,usersofthispracticemustrecognizethattheselistsaresubjecttocontinuingrevisiontomeettheneedsofequipmentmanufacturers.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】: