ASME SEC I PT PR-2001 第PR部分.铆接装配锅炉的要求
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【英文标准名称】:PartPRRequirementsforBoilersFabricatedbyRiveting
【原文标准名称】:第PR部分.铆接装配锅炉的要求
【标准号】:ASMESECIPTPR-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001-07-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thissectionprovidesrequirementsforallmethodsofconstructionofpower,electric,andminiatureboilers;hightemperaturewaterboilersusedinstationaryservice;andpowerboilersusedinlocomotive,portable,andtractionservice.RulespertainingtouseoftheV,A,M,PP,SandECodesymbolstampsarealsoincluded.Therulesareapplicabletoboilersinwhichsteamorothervaporisgeneratedatapressuresexceeding15psig,andhightemperaturewaterboilersintendedforoperationatpressuresexceeding160psigand/ortemperaturesexceeding250degreeF.Superheaters,economizers,andotherpressurepartsconnecteddirectlytotheboilerwithoutinterveningvalvesareconsideredaspartofthescopeofSection1.
【中国标准分类号】:J98
【国际标准分类号】:
【页数】:
【正文语种】:英语
【英文标准名称】:Informationprocessing.Textandofficesystems.Officedocumentarchitecture(ODA)andinterchangeformat.Informationtechnology.OpenDocumentArchitecture(ODA)andInterchangeFormat.Identificationofdocumentfragments
【原文标准名称】:信息处理.文本和办公系统.办公文件结构和交换格式.信息技术.公开文件结构和交换格式.第12部分:文件段落的识别
【标准号】:BSISO/IEC8613-12-1996
【标准状态】:作废
【国别】:英国
【发布日期】:1996-08-15
【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】:信息交流;数据传输;应用层(开放系统互连);文献描述;合格;数据转换;界面;文献;数据传送;数据处理;数据处理;开放式文档结构;数据布置;接口(数据加工);开放系统互连
【英文主题词】:
【摘要】:
【中国标准分类号】:L76
【国际标准分类号】:35_240_20
【页数】:42P;A4
【正文语种】:英语
【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part3-8:Data-linklayerservicedefinition-Type8elements(IEC61158-3-8:2007);EnglishversionEN61158-3-8:2008,onlyonCD-ROM
【原文标准名称】:工业通信网络.现场总线规范.第3-8部分:数据链层服务定义.8型元件
【标准号】:DINEN61158-3-8-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-09
【实施或试行日期】:2008-09-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【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;数据链层;数据连接系统;数据处理;数据服务;数据传送;定义;数字的;数字数据;数字工程;电子数据处理;电气工程;电子仪器;电子系统;英语;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;联络母线;接口(数据处理);链路层;开放系统互连;OSI;过程控制;过程控制工程;过程控制系统;信号;规范;规范(验收);传输媒质
【英文主题词】:Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Datalinklayers;Datalinksystem;Dataprocessing;Dataservices;Datatransfer;Definition;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;INTERBUS;Interbus;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Processcontrol;Processcontrolengineering;Processcontrolsystems;Signals;Specification;Specification(approval);Transmissionmedia
【摘要】:1.1OverviewThispartofIEC61158providescommonelementsforbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbytheType8fieldbusdata-linklayerintermsofa)theprimitiveactionsandeventsoftheservice;b)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andc)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto?theType8fieldbusapplicationlayerattheboundarybetweentheapplicationanddata-linklayersofthefieldbusreferencemodel,and?systemsmanagementattheboundarybetweenthedata-linklayerandsystemsmanagementofthefieldbusreferencemodel.1.2SpecificationsTheprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualdata-linklayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofdata-linkprotocolsfortime-criticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ThisspecificationmaybeusedasthebasisforformalDL-Programming-Interfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,includinga)thesizesandoctetorderingofvariousmulti-octetserviceparameters,andb)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.1.3ConformanceThisstandarddoesnotspecifyindividualimplementationsorproducts,nordoesitconstraintheimplementationsofdata-linkentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttothisdata-linklayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofthecorrespondingdata-linkprotocolthatfulfillstheType8data-linklayerservicesdefinedinthisstandard.
【中国标准分类号】:N18;P76
【国际标准分类号】:35_100_20;35_160;35_240_50
【页数】:36P.;A4
【正文语种】:英语
