BS 6139-1981 农用拖拉机拉杆和拖钩规范
作者:标准资料网 时间:2024-05-10 10:49:00 浏览:9864
来源:标准资料网
【英文标准名称】:Specificationfordrawbarsandtowinghooksonagriculturaltractors
【原文标准名称】:农用拖拉机拉杆和拖钩规范
【标准号】:BS6139-1981
【标准状态】:作废
【国别】:英国
【发布日期】:1981-08-31
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:牵引属具;间隙;牵引杆;位置;机械零部件;农用设备;牵引车;农用拖拉机;吊钩;拖钩;尺寸;U形夹销;U形钩;荷载能力
【英文主题词】:clevispins;mechanicalcomponents;tow-bars;towingattachments;agriculturalequipment;position;clearances;agriculturaltractors;towinghooks;clevises;tractors;dimensions;loadcapacity;hooks
【摘要】:
【中国标准分类号】:T64
【国际标准分类号】:65_060_10
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-OpenSystemsInterconnection-TheDirectory:Models
【原文标准名称】:信息技术.开放系统互连.目录:模型
【标准号】:ISO/IEC9594-2-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1/SC6
【标准类型】:()
【标准水平】:()
【中文主题词】:应用层;电信设备;数据网络;定义;人名地址录;信息交换;信息技术;模型;网络互连;开放系统互连;电信
【英文主题词】:Applicationlayer;Communicationservice;Datanetwork;Definitions;Directories;Informationinterchange;Informationtechnology;Models;Networkinterconnection;Opensystemsinterconnection;OSI;Telecommunication;Telecommunications
【摘要】:ThemodelsdefinedinthisRecommendation|InternationalStandardprovideaconceptualandterminologicalframeworkfortheotherITU-TX.500-seriesRecommendations|partsofISO/IEC9594whichdefinevariousaspectsoftheDirectory.ThefunctionalandadministrativeauthoritymodelsdefinewaysinwhichtheDirectorycanbedistributed,bothfunctionallyandadministratively.GenericDSAandDSAinformationmodelsandanOperationalFrameworkarealsoprovidedtosupportDirectorydistribution.ThegenericDirectoryInformationModelsdescribethelogicalstructureoftheDIBfromtheperspectiveofDirectoryandAdministrativeUsers.Inthesemodels,thefactthattheDirectoryisdistributed,ratherthancentralized,isnotvisible.ThisRecommendation|InternationalStandardprovidesaspecializationofthegenericDirectoryInformationModelstosupportDirectorySchemaadministration.TheotherITU-TRecommendationsintheX.500series|partsofISO/IEC9594makeuseoftheconceptsdefinedinthisRecommendation|InternationalStandardtodefinespecializationsofthegenericinformationandDSAmodelstoprovidespecificinformation,DSAandoperationalmodelssupportingparticulardirectorycapabilities.Thesecuritymodelestablishesaframeworkforthespecificationofaccesscontrolmechanisms.ItprovidesamechanismforidentifyingtheaccesscontrolschemeineffectinaparticularportionoftheDIT,anditdefinesthreeflexible,specificaccesscontrolschemeswhicharesuitableforawidevarietyofapplicationsandstylesofuse.Thesecuritymodelalsoprovidesaframeworkforprotectingtheconfidentialityandintegrityofdirectoryoperationsusingmechanismssuchasencryptionanddigitalsignatures.ThismakesuseoftheframeworkforauthenticationdefinedinITU-TRec.X.509|ISO/IEC9594-8aswellasgenericupperlayerssecuritytoolsdefinedinITU-TRec.X.830|ISO/IEC11586-1.DSAmodelsestablishaframeworkforthespecificationoftheoperationofthecomponentsoftheDirectory.
【中国标准分类号】:L79
【国际标准分类号】:35_100_70
【页数】:234P.;A4
【正文语种】:英语
【英文标准名称】:Qualificationtestingofweldersforunder-wasterwelding-Part2:diver-weldersandweldingoperatorsforhyperbaricdrywelding.
【原文标准名称】:水下焊接焊工的资格测验.第2部分：高压干焊的潜水焊工和焊接操作者
【标准号】:NFA88-950-2-2002
【标准状态】:现行
【国别】:法国
【发布日期】:2002-02-01
【实施或试行日期】:2002-02-20
【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】:定义;定义;焊接填充金属;熔焊;焊接;合格证明;压力过载;操作者;试验;连接;;;;;;;;资格鉴定;焊工;焊工考试;操纵;验收试验
【英文主题词】:
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:25_160_01
【页数】:30P;A4
【正文语种】:英语
