NF R16-319-2003 道路车辆.型号B规格S轴针式喷油嘴用型号为20、21、21.1和27的旋入式喷油嘴座
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来源:标准资料网
【英文标准名称】:Dieselengines-Screw-ininjectionnozzleholders,types20,21,21.1and27forpintlenozzlesize"S",type"B".
【原文标准名称】:道路车辆.型号B规格S轴针式喷油嘴用型号为20、21、21.1和27的旋入式喷油嘴座
【标准号】:NFR16-319-2003
【标准状态】:现行
【国别】:法国
【发布日期】:2003-12-01
【实施或试行日期】:2003-12-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:道路车辆;燃料喷射器;尺寸;尺寸公差;摩托车;设计;夹(架);公差(测量);内燃机;旋入螺纹;柴油发动机;保持架
【英文主题词】:
【摘要】:
【中国标准分类号】:T13
【国际标准分类号】:43_060_40
【页数】:8P;A4
【正文语种】:其他
【英文标准名称】:PortBasedNetworkAccessControl
【原文标准名称】:基于端口的网络访问控制
【标准号】:ANSI/IEEE802.1X-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2005-03-10
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:媒体访问控制;城域;LAN;电信;校验;MAN;合格证书;数据交换;城域网;MAC;数据电路;通路;数据处理;连接;电路网络;局域网;信息技术;通信网;定义;定义
【英文主题词】:Access;Authentication;Certificates;Circuitnetworks;Communicationnetworks;Connections;Datacircuit;Dataexchange;Dataprocessing;Definition;Definitions;Informationtechnology;LAN;Localareanetworks;MAC;MAN;Mediumaccesscontrol;Metropolitanareanetworks;Metropolitanareas;Telecommunication;Telecommunications
【摘要】:Specifiesageneralmethodfortheprovisionofport-basednetworkaccesscontrolforthepurposeofprovidingcompatibleauthenticationandauthorizationmechansimsfordevicesinterconnectedbyIEEE802LANs.
【中国标准分类号】:M11
【国际标准分类号】:35_110
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforUltrasonicInspectionofAluminum-AlloyPlateforPressureVessels
【原文标准名称】:压力容器用铝合金板的超声波检验的标准试验方法
【标准号】:ASTMB548-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:B07.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:板;试验;合金;压力容器;超声波学;金属;超声检验;有色金属;铝
【英文主题词】:aluminumalloys-plate/sheet;aluminumalloys-ultrasonicinspection;pressurevessels;ultrasonictesting;ultrasonicinspectionofAl-alloyplateforpressurevessels,spec
【摘要】:Anumberoffactorssuchastheconditionoftheentryandbacksurfacesoftheplate,theinclinationoftheultrasonicbeamwithrespecttotheentrysurface,andtheperformancecharacteristicsofthetestsystemmaycauseeitherareductionofisolatedindicationsorasubstantiallossofbackreflectionandtherebycouldseriouslyimpairthereliabilityofthetestprocedureoutlinedinthisstandard.Accurateevaluationsofdiscontinuitysizealsomaybelimitedsignificantlybyvariationsinbeamcharacteristicswhichexistinmostsearchunits.Forthisreason,discontinuitysizeasdeterminedbythetestprocedureoutlinedinthismethodisregardedasx201C;apparentx201D;orx201C;estimatedx201D;inrecognitionofthelimitedquantitativevalueofthemeasurement.Becausealargenumberofinteractingvariablesinatestsystemcanadverselyinfluencetheresultsofanultrasonictest,theactualquantitativeeffectsofdetecteddiscontinuitiesuponthemechanicalpropertiesoftheinspectedplatearedifficulttoestablish.Consequently,thisultrasonicinspectionmethodisnotapplicableasanexclusiveindicatoroftheultimatequalityandperformanceofpressurevesselsbutprovidesareliablecontrolofplatequalitytoavoidfailureduringtheformingprocessforfabricationofvessels.1.1Thismethodcoverspulse-echoultrasonicinspectionofaluminum-alloyplateofthicknessequaltoorgreaterthan0.500in.(12.7mm)foruseinthefabricationofpressurevessels.Theultrasonictestisemployedtodetectgrossinternaldiscontinuitiesorientedinadirectionparalleltotherolledsurfacesuchascracks,ruptures,andlaminations,andtoprovideassurancethatonlyplatethatisfreefromrejectablediscontinuitiesisacceptedfordelivery.1.2Theinspectionmethodandacceptancecriteriaincludedinthisstandardshallbelimitedtoplateofthefollowingaluminumalloys:1060,1100,3003,Alclad3003,3004,Alclad3004,5050,5052,5083,5086,5154,5254,5454,5456,5652,6061,andAlclad6061.1.3Thismethodappliesonlytoultrasonictestsusingpulsedlongitudinalwaveswhicharetransmittedandreceivedbyasearchunitcontainingeitherasinglecrystaloracombinationofelectricallyinterconnectedmultiplecrystals.Ultrasonictestsemployingeitherthethrough-transmissionortheangle-beamtechniquesarenotincluded.1.4Thismethodshallbeusedwhenultrasonicinspectionasprescribedhereinisrequiredbythecontract,purchaseorder,orreferencedplatespecification.1.5Thevaluesstatedininch-poundunitsarethestandard.TheSIvaluesinparenthesesareforinformationonly.1.6Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H61
【国际标准分类号】:77_150_10
【页数】:5P.;A4
【正文语种】:
