PD 6682-4-2003 聚合.混凝土.泥浆和渣滓用轻集料.BSEN13055-1标准的使用导则
作者:标准资料网 时间:2024-05-17 10:02:34 浏览:9543
来源:标准资料网
【英文标准名称】:Aggregates.Lightweightaggregatesforconcrete,mortarandgrout.GuidanceontheuseofBSEN13055-1
【原文标准名称】:聚合.混凝土.泥浆和渣滓用轻集料.BSEN13055-1标准的使用导则
【标准号】:PD6682-4-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-06-23
【实施或试行日期】:2003-06-23
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThispartofPD6682givesguidanceontheuseofBSEN13055-1intheUK.BSEN13055-1whichspecifiesthepropertiesoflightweightaggregatesandlightweightfilleraggregatesobtainedbyprocessingnatural,manufactured,by-productorrecycledmaterialsandmixturesoftheseaggregatesforuseinconcrete,mortarandgroutinbuildings,roadsandcivilengineeringworks.BSEN13055-1coverslightweightaggregatesofmineraloriginhavingparticledensitiesnotexceeding2000kg/m3(2.00Mg/m3)orloosebulkdensitiesnotexceeding1200kg/m3(1.20Mg/m3),including:a)naturalaggregates;b)aggregatesmanufacturedfromnaturalmaterialsand/orfromby-productsofindustrialprocesses;c)by-productsofindustrialprocesses;d)recycledaggregates.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_15
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:Industrialcommunicationnetworks—Fieldbusspecifications—Part4-4:Data-linklayerprotocolspecification—Type4elements
【原文标准名称】:工业通讯网络.现场总线规范.数据链路层协议规范.4型元件
【标准号】:BSEN61158-4-4-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-05-30
【实施或试行日期】:2008-05-30
【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】:总线系统;总线;电路网络;通信;控制设备;控制系统;控制工艺学;数据通信;数据链路层;数据连接系统;数据处理;数据设备;数据传送;数字的;数字数据;数字工程;数字信号;电子数据处理;电气工程;电子仪器;电子系统;现场总线;制导系统;工业的;工业设施;信息交换;信息处理;信息技术;接口(数据处理);链路层;开放系统互连;物理层;过程控制;过程控制工程;过程控制系统;协议规范;协议;信号;规范;规范(验收);传输媒质;传输协议
【英文主题词】:Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Datalinklayers;Datalinksystem;Dataprocessing;Dataservices;Datatransfer;Definition;Definitions;Digital;Digitaldata;Digitalengineering;Digitalsignals;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;P-NET;Processcontrol;Processcontrolengineering;Processcontrolsystems;Protocolspecification;Protocols;Signals;Specification;Specification(approval);Transmissionmedia;Transmissionprotocol
【摘要】:1.1GeneralThedata-linklayerprovidesbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Thisprotocolprovidesameansofconnectingdevicesthroughapartialmeshnetwork,suchthatmostfailuresofaninterconnectionbetweentwodevicescanbecircumvented.Incommonpracticethedevicesareinterconnectedinanon-redundanthierarchicalmannerreflectingapplicationneeds1.2SpecificationsThisstandardspecifiesa)proceduresforthetimelytransferofdataandcontrolinformationfromonedata-linkuserentitytoapeeruserentity,andamongthedata-linkentitiesformingthedistributeddatalinkserviceprovider;b)thestructureofthefieldbusDLPDUsusedforthetransferofdataandcontrolinformationbytheprotocolofthisstandard,andtheirrepresentationasphysicalinterfacedataunits.1.3ProceduresTheproceduresaredefinedintermsofa)theinteractionsbetweenpeerDL-entities(DLEs)throughtheexchangeoffieldbusDLPDUs;b)theinteractionsbetweenaDL-service(DLS)providerandaDLS-userinthesamesystemthroughtheexchangeofDLSprimitives;c)theinteractionsbetweenaDLS-providerandaPh-serviceproviderinthesamesystemthroughtheexchangeofPh-serviceprimitives.1.4ApplicabilityTheseproceduresareapplicabletoinstancesofcommunicationbetweensystemswhichsupporttime-criticalcommunicationsserviceswithinthedata-linklayeroftheOSIorfieldbusreferencemodels,andwhichrequiretheabilitytointerconnectinanopensystemsinterconnectionenvironment.Profilesprovideasimplemulti-attributemeansofsummarizinganimplementation’scapabilities,andthusitsapplicabilitytovarioustime-criticalcommunicationsneeds.1.5ConformanceThisstandardalsospecifiesconformancerequirementsforsystemsimplementingtheseprocedures.Thisstandarddoesnotcontainteststodemonstratecompliancewithsuchrequirements.
【中国标准分类号】:N17
【国际标准分类号】:35_100_20;35_160;35_240_50
【页数】:50P.;A4
【正文语种】:英语
基本信息
标准名称: | 工具中心孔(d=0·5~3) |
发布日期: | 1980-10-01 |
实施日期: | 1980-10-01 |
首发日期: | |
作废日期: | 1995-04-21 |
出版日期: | |
页数: | 1页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 航空 航天 航空器与航天器制造用设备 刀具 机械制造 切削工具 钻头 锪钻 铰刀