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【英文标准名称】:Mechanicalpropertiesoffasteners;part2:nutswithspecifiedproofloadvalues;coarsethread(ISO898-2:1992);GermanversionEN20898-2:1993
【原文标准名称】:紧固件的机械性能.第2部分:有规定检验载荷值的螺母.粗牙螺纹
【标准号】:EN20898-2-1993
【标准状态】:现行
【国别】:
【发布日期】:1994-02
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;试验力;机械性能;标准螺纹;强度等级;化学成分;钢;螺母;紧固件
【英文主题词】:Chemicalcomposition;Designations;Fasteners;Marking;Mechanicalproperties;Normalthreads;Nuts;Properties;Steels;Strengthclass;Testforces;Testing
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_20
【页数】:16P.;A4
【正文语种】:英语


【英文标准名称】:ProceduresfortheoperationoftheUKschemefortheallocationofISODCCformatOSINetworkLayeraddresses(includingtheoperationoftheassociatedUKRegistrationAuthority)
【原文标准名称】:ISO-DCC格式开放式系统互连网络层地址分配用英国模式操作程序(包括英国注册署相关程序)
【标准号】:BS7306-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-06-15
【实施或试行日期】:1995-06-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:管理作业;地址(数据处理);英国;网络层;数据布置;开放系统互连;管理;编码(数据转换);数据传输;数据处理;数字代码;批准机构
【英文主题词】:Addresses(dataprocessing);Approvalorganizations;Coding(dataconversion);Datalayout;Dataprocessing;Datatransmission;Management;Managementoperations;Networklayer(OSI);Numericcodes;Opensystemsinterconnection;UnitedKingdom
【摘要】:ThisBritishStandardsetsouttheproceduresfortheallocationofOSINetworkLayeraddressesoftheISODCCformatwithintheUK.AddressesinthisformatmaybeusedasOSInetwork-addresses,OSINSAP-addresses,network-entity-titlesorforotherpurposesasdefinedinNetworkLayerstandards.IntheremainderofthisBritishStandard,referencestoformatsforOSInetwork-addressesaretobeunderstoodasapplyingequallytoallsuchuses.NOTE.ThesameformatsareapplicabletoallthetypesofNetworkLayeraddressdescribedabove.Fordetailsofthedifferencesofusageofaddressesofthesekinds,initialreferenceshouldbemadetothepartoftheOSIBasicReferenceModelthatdealswithnamingandaddressing,BSISO7498-3,totheTutorialonNamingandAddressing,BSISO/IECTR10730,totheOSINetworkServiceDefinition,BSISO/IEC8348,andtotheIntra-DomainRouteingProtocol,BSISO/IEC10589.Briefly,exceptwheregenericaddressingisused:-anOSInetwork-addressidentifiesatransport-entitybyidentifyingthesetofNSAPsthatprovideaccesstoatransport-entity;-anOSINSAP-addressidentifiesasingleNSAP;-anetwork-entity-titleidentifiesanetwork-entity(andisusedinNetworkLayerrouteing).Owingtodifferencesindatesofissue,notallpublishedNetworkLayerstandardsmaymakethesedistinctions;inparticular'network-address'isnotalwaysdistinguishedfrom'NSAPaddress'.ThestandardforOSINetworkLayerAddressing(BSISO/IEC8348:1993)specifiesanumberofformatsofOSINetworkLayeraddressandestablishesISOasthetop-levelRegistrationAuthorityforallOSINetworkLayeraddresses.OneoftheaddressformatsistheISODCCformat;and,forthatformatspecifically,annexAofBSISO/IEC8348:1993allocatesaportionoftheglobaladdressspacetotheUKandassignsresponsibilityforthesub-allocationofthatportion,withintheUK,toBSIastheUKP-memberofISO.AUKRegistrationAuthority(UKRA)hasbeenappointedundertheauthorityoftheBoardofBSItoadministerthisallocation.Thestandarddefinesthethreecomponentelementsofthescheme,namely:a)thespecificationoftheformatsoftheaddressesallocated:theaddressstructure;b)theprinciplesofoperationoftheschemeandtheroleoftheUKRegistrationAuthority(UKRA)andotherbodiestowhichresponsibilityforitsoperationhasbeenassigned:theadministrationofthescheme;c)thesetofadministrativeproceduresbywhichallocationsarerequestedandsubsequentlycontrolled:theprocedures.Thestandarddoesnotspecifyhowtheaddressesaretobeencodedinprotocol.ThestandardappliestotheallocationanduseofallOSINetworkLayeraddressesoftheISODCCvarietyallocatedtotheUKbyISOinitscapacityasRegistrationAuthorityforOSINetworkLayeraddressesasawhole.Itappliestosuchaddresseswhereverandwhenevertheyareused,irrespectiveofthepurposeormanneroftheiruse.Thereforeallsuchaddressesareallocatedaccordingtotheproceduressetoutinthisstandard.
【中国标准分类号】:L73
【国际标准分类号】:35_100_30
【页数】:18P.;A4
【正文语种】:英语