UL 1340-2012 提升机
作者:标准资料网 时间:2024-05-20 18:57:30 浏览:9805
来源:标准资料网
【英文标准名称】:Hoists
【原文标准名称】:提升机
【标准号】:UL1340-2012
【标准状态】:现行
【国别】:美国
【发布日期】:2012-04-03
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Chains;Design;Electricalequipment;Electricaltransmissionsystems;Electrically-operateddevices;Elevators;Goodshoists;Hoists;Lifts;Safetyengineering;Safetyrequirements;Servicelifts;Specification(approval);Supportingmeans;Wireropes
【摘要】:
【中国标准分类号】:J80
【国际标准分类号】:91_140_90
【页数】:
【正文语种】:英语
【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-Provisionoftheconnection-modeNetworkinternallayerservicebyintermediatesystemsusingISO/IEC8208,theX.25PacketLayerProtocol
【原文标准名称】:信息技术.系统间的电信和信息交换.使用ISO/IEC8208X.25包层协议通过中间系统提供连接方式网络内层服务
【标准号】:BSISO/IEC10177-1993
【标准状态】:现行
【国别】:英国
【发布日期】:1993-10-15
【实施或试行日期】:1993-10-15
【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】:开放系统互连;网络层;数据传输;数据传送;信息交流;数据包;通信规程;包交换网络;数据处理;合格
【英文主题词】:Dataprocessing;Datatransfer;Informationinterchange;Informationtechnology;Networkinterconnection;Networklayers;Packetswitchingnetworks;Telecommunications;X.25
【摘要】:ThisInternationalStandardspecifiesthemethodbywhichaNetwork-layerinterworkingunit(IWU)usestheX.25packetlayerprotocolspecifiedinISO/IEC8208tosupporttheOSIconnection-modeNetworkservice.ThespecificationisexpressedintermsofamappingbetweentheNetworkinternallayerservicedefinedinISO/IEC10028andtheVirtualCall(VC)andPermanentVirtualCircuit(PVC)servicesoftheX.25packetlayerprotocol.AnIWUtowhichthisInternationalStandardappliesinterconnects,foranyindividualNetworkconnection,tworealsubnetworks,atleastoneofwhichisaccessedusingtheX.25packetlayerprotocol.WhenbothsubnetworksareaccessedusingtheX.25packetlayerprotocol,thespecificationappliesindependentlytotheIWU'soperationoneachsubnetwork.Inaddition,thisInternationalStandardusesISO/IEC10028'sdefinitionoftherelayingfunctionsofanintermediatesystemtoextenditsapplicationbeyondasinglesubnetworkpointofattachment,tospecifytherequirementstobemetbyanIWUasawholeinsupportingtheOSIconnection-modeNetworkservice.ThisInternationalStandardcoversoperationoftheX.25packetlayerprotocolthatiscompatiblewiththe1984andlaterversionsofCCITTRecommendationX.25,andthatiscompatiblewiththe1980versionofX.25whenthePermanentVirtualCircuitserviceisused;compatibilitywiththe1980versionofX.25forVirtualCallsisoutsidethescopeofthisInternationalStandard.ToenableuseofthePVCservice,thisInternationalStandarddefinesasetofsubnetworkdependentconvergenceprotocol(SNDCP)procedures.TheseallowagivenPVCtotosupportoneNetworkconnectionatatime,buttosupportdifferentNetworkconnections,withthesameordifferentvaluesforaddressandqualityofserviceparameters,etc,atdifferenttimes.TheproceduresalsoallowforthepossibilityofusingaPVCinsupportofotherprotocols,butnotsimultaneouslywiththeseprocedures(apartfromtransientcollisioncases,whichdonotfailunnecessarily).Toevaluateconformanceofaparticularimplementation,itisnecessarytohaveastatementofwhichcapabilitiesandoptionshavebeenimplemented.SuchastatementiscalledaProtocolImplementationConformanceStatement(PICS),asdefinedinISO/IEC9646-1.ThisInternationalStandardprovidesthePICSproformaincompliancewiththerelevantrequirements,andinaccordancewiththerelevantguidance,giveninISO/IEC9646-2.ThisInternationalStandarddoesnotspecifyanyrequirementsrelatingtotheexchangeofroutinginformationorlayer-managementinformationbetweenanIWUandothersystems.
【中国标准分类号】:L78
【国际标准分类号】:33_040_40;35_110
【页数】:36P;A4
【正文语种】:英语
【英文标准名称】:Microbiologicalexaminationfordairypurposes.Methodsfordetectionand/orenumerationofspecificgroupsofmicroorganisms.Enumerationofpsychrotrophicmicroorganisms
【原文标准名称】:乳品的微生物检验.微生物检测和(或)计数方法.嗜冷微生物的计数方法
【标准号】:BS4285-3.1-1986
【标准状态】:作废
【国别】:英国
【发布日期】:1986-05-30
【实施或试行日期】:1986-05-30
【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】:试验条件;乳制品;计数方法(微生物学);微生物分析;嗜冷菌;生物分析和试验;细菌计数方法;食品检验;食品;牛奶
【英文主题词】:psychrophiles;microbiologicalanalysis;milk;biologicalanalysisandtesting;foodtesting;countmethods(microbiology);bacteriacountmethods;testingconditions;foodproducts;dairyproducts
【摘要】:
【中国标准分类号】:X16
【国际标准分类号】:07_100_30;67_100_01
【页数】:4P;A4
【正文语种】:英语
