【英文标准名称】:Balancingmachines.Methodofdescriptionandevaluation
【原文标准名称】:平衡机.第1部分:说明和评定方法
【标准号】:BS3852-1-1979
【标准状态】:作废
【国别】:英国
【发布日期】:1979-02-28
【实施或试行日期】:
【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】:质量;平衡试验机;试验设备;试验条件;速度;设计;认可试验;垂直;旋转部件;尺寸;水平的;平衡
【英文主题词】:design;mass;rotatingparts;vertical;approvaltesting;balancingmachines;dimensions;horizontal;balancing;velocity;testingconditions;testequipment
【摘要】:
【中国标准分类号】:N73
【国际标准分类号】:21_120_40
【页数】:24P.;A4
【正文语种】:英语
基本信息
标准名称: | 露天热表面引燃液态烃类及其蒸气的风险评价 |
替代情况: | 替代SY/T 6515-2001 |
发布部门: | 国家能源局 |
发布日期: | 2011-01-09 |
实施日期: | 2011-05-01 |
首发日期: | |
作废日期: | |
出版社: | 石油工业出版社 |
出版日期: | 2011-05-01 |
适用范围
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前言
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目录
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引用标准
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所属分类: 冶金 有色金属及其合金产品 轻金属及其合金 冶金 有色金属产品 铝产品
【英文标准名称】:Informationtechnology-Automaticidentificationanddatacapturetechniques-AirinterfacespecificationforMobileRFIDinterrogators
【原文标准名称】:信息技术.自动识别与数据采集技术.移动RFID问答器的空气接口规范
【标准号】:ISO/IEC29143-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-02-01
【实施或试行日期】:2011-02-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1/SC31
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Accesscontrols;AIDC;Airinterfaces;Automaticidentificationanddatacapture;Definitions;Highfrequencies;Identification;Informationtechnology;Patentees;RadioFrequencyIdentification;Receivers;RFID;Transmitters;Warehousecontrolsystems
【摘要】:ThisInternationalStandardappliestoMobileradiofrequencyidentification(RFID)interrogatordevicesusedtoinventorypassiveorsemi-passivebackscattertagsat860MHzto960MHzinamobile(non-fixed)applicationindependentfromspecificcommunicationdetails,i.e.modulationtechniqueandcommandset.Furthermore,thescopeofthisInternationalStandardismobileconsumerapplications,whereasmobileenterpriseapplicationsarenotcoveredaslongasoperatinginaclosedenvironment.Anoperatingenvironmentisconsideredtobeclosedifitbelongstoacentraladministrativeauthorityabletoguaranteeforsufficientisolation,i.e.preventingmobileenterpriseinterrogatordevicesfrombeingusedoutsidethededicatedoperatingenvironment,andifsufficientspatialseparationand/orelectromagneticshieldingfromadjacentoperatingenvironmentsisprovided.Anapplicationisconsideredaconsumerapplicationifatleastoneoftwointeractingentitiesisaprivateindividual(consumer)andtheinteractionistakingplaceinthepublicdomain.Consequently,aMobileRFIDconsumerapplicationisdefinedasMobileRFIDequipment(e.g.mobilephonesequippedwithanRFIDinterrogator)beingusedinaconsumerapplication.NOTEAsthereiscurrentlynoactivecontributiononMobileHFinterrogators,thisInternationalStandardcoversonlyUHF.ThisInternationalStandardspecifies-MobileRFIDinterrogatormediaaccesscontrol,-interrogatortointerrogatorandmultipleinterrogatortotagcollisionarbitrationschemeincludinginterrogatorrequirements,-interrogatortointerrogatorandmultipleinterrogatortotagcollisionavoidancescheme,and-tagmemoryuseforMobileRFIDapplications.ThisInternationalStandarddoesnotspecify-physicalinteractions(thesignalinglayerofthecommunicationlink)betweeninterrogatorsandtags,-interrogatorandtagoperatingproceduresandcommands,and-thecollisionarbitrationalgorithmusedtosingulate(separatetothecurrentresponseslot)aspecifictaginamultiple-tagenvironment.NOTETheseaspectsareaddressedbyotherInternationalStandards.Inparticular,thisInternationalStandarddoesnotreplaceanyexistingRFIDairinterfacespecificationissuedbyISO/IECbutextendstheexistingmethodologiesforfixedRFIDinterrogatorswithmechanismsaddressingthespecialchallengesofMobileRFID.TheconceptsandmechanismsdescribedinthisInternationalStandardcanbeintegratedinanyexistingRFIDprotocolapprovedbyISO/IECforthegivenfrequencyrangeof860MHzto960MHz(unlessexplicitlyprohibitedbysuchprotocol)regardlessoftheactualcommandset.ThemechanismsdefinedbythisInternationalStandardcanbeusedforMobileRFIDinterrogatorsusedinconsumerapplicationsandcomplianttoISO/IEC18000-6.
【中国标准分类号】:L78
【国际标准分类号】:35_040
【页数】:50P.;A4
【正文语种】:英语