GB/T 2861.15-1990 冲模导向装置 垫圈
时间:2024-04-29 18:12:51 来源: 标准资料网 作者:标准资料网 阅读:9977
基本信息
标准名称: | 冲模导向装置 垫圈 |
英文名称: | Guide unit for press tools-Washer |
中标分类: |
机械 >>
工艺装备 >>
模具 |
ICS分类: |
机械制造 >>
无屑加工设备 >>
模制设备和铸造设备
|
替代情况: | 替代GB 2861.15-1981;被GB/T 2861.10-2008代替 |
发布部门: | 国家标准化管理委员会 |
发布日期: | 1990-07-23 |
实施日期: | 1991-05-01 |
首发日期: | 1981-12-29 |
作废日期: | 2008-10-01 |
主管部门: | 国家标准化管理委员会 |
归口单位: | 全国模具标准化技术委员会 |
起草单位: | 桂林电器科研所 |
出版社: | 中国标准出版社 |
出版日期: | 1991-05-01 |
页数: | 2页 |
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: 机械 工艺装备 模具 机械制造 无屑加工设备 模制设备和铸造设备
【英文标准名称】:Specificationforcartridgefusesforaircraft-Generalrequirements
【原文标准名称】:航空器用管状熔丝规格.第1部分:一般要求
【标准号】:BSG176-1-1960
【标准状态】:作废
【国别】:英国
【发布日期】:1960-05-06
【实施或试行日期】:1960-05-06
【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】:航空器部件;认可试验;名称与符号;尺寸规格;电连接器;电气保护设备;熔断器;作标记;性能测试;质量保证;定型测试
【英文主题词】:Aircraftcomponents;Approvaltesting;Designations;Dimensions;Electricconnectors;Electricalprotectionequipment;Fuses;Marking;Performancetesting;Qualityassurance;Typetesting
【摘要】:ThispartofBritishStandardG.176,specifiesthere-quirementsfortheconstruction,performanceandtestingofcartridgefusesforaircraft.
【中国标准分类号】:V25
【国际标准分类号】:49_060
【页数】:28P.;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology—Radiofrequencyidentificationforitemmanagement—Part6:Parametersforairinterfacecommunicationsat860MHzto960MHz
【原文标准名称】:信息技术.项目管理用射频识别.第6部分:空气接口参数从860MHz至960MHz的通信
【标准号】:ISO/IEC18000-6-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-12-01
【实施或试行日期】:2010-12-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Airinterfaces;Automatic;Bandoffrequencies;Characterrecognition;Codedrepresentation;Codes;Coding;Coding(dataconversion);Communication;Communicationprocesses;Conversion;Dataacquisition;Dataexchange;Dataformats;Dataprocessing;Datarepresentation;Datatransfer;Definitions;Descriptions;Encoding;Exchangeofgoods;Frequencies;Goodtrade;Highfrequencies;High-frequencyengineering;Identification;Informationinterchange;Informationtechnology;Interoperability;Item;Labellings;Management;Objects;Physicaldistributionmanagement;Physicallayers;Protocols;RadioFrequencyIdentification;Radiofrequencies;Radio-frequencysignals;RFID;Specification;Specification(approval);Symbols
【摘要】:ThispartofISO/IEC18000definestheairinterfaceforradiofrequencyidentification(RFID)devicesoperatinginthe860MHzto960MHzIndustrial,Scientific,andMedical(ISM)bandusedinitemmanagementapplications.ItprovidesacommontechnicalspecificationforRFIDdevicesthatcanbeusedbyISOcommitteesdevelopingRFIDapplicationstandards.ThispartofISO/IEC18000isintendedtoallowforcompatibilityandtoencourageinter-operabilityofproductsforthegrowingRFIDmarketintheinternationalmarketplace.Itdefinestheforwardandreturnlinkparametersfortechnicalattributesincluding,butnotlimitedto,operatingfrequency,operatingchannelaccuracy,occupiedchannelbandwidth,maximumeffectiveisotropicradiatedpower(EIRP),spuriousemissions,modulation,dutycycle,datacoding,bitrate,bitrateaccuracy,bittransmissionorder,and,whereappropriate,operatingchannels,frequencyhoprate,hopsequence,spreadingsequence,andchiprate.Itfurtherdefinesthecommunicationsprotocolusedintheairinterface.ThispartofISO/IEC18000specifiesthephysicalandlogicalrequirementsforapassive-backscatter,Interrogator-Talks-First(ITF)ortag-talks-only-after-listening(TOTAL)RFIDsystem.ThesystemcomprisesInterrogators,andtags,alsoknownaslabels.AnInterrogatorreceivesinformationfromatagbytransmittingacontinuous-wave(CW)RFsignaltothetag;thetagrespondsbymodulatingthereflectioncoefficientofitsantenna,therebybackscatteringaninformationsignaltotheInterrogator.ThesystemisITF,meaningthatatagmodulatesitsantennareflectioncoefficientwithaninformationsignalonlyafterbeingdirectedtodosobyanInterrogator,orTOTAL,meaningthatatagmodulatesitsantennareflectioncoefficientwithaninformationsignaluponenteringanInterrogator'sfieldafterfirstlisteningforInterrogatormodulationinordertodetermineifthesystemisITFornot.Indetail,thispartofISO/IEC18000containsonemodewithfourtypes.Thedetailedtechnicaldifferencesbetweenthefourtypesareshownintheassociatedparametertables.TypesA,BandCareITF.TypeAusesPulse-IntervalEncoding(PIE)intheforwardlinkandanadaptiveALOHAcollision-arbitrationalgorithm.TypeBusesManchesterintheforwardlinkandanadaptivebinary-treecollision-arbitrationalgorithm.TypeCusesPIEintheforwardlinkandarandomslottedcollision-arbitrationalgorithm.TypeDisTOTALbasedonPulsePositionEncodingorMillerM=2encodedsubcarrier.ThispartofISO/IEC18000specifies?physicalinteractions(thesignallinglayerofthecommunicationlink)betweenInterrogatorsandtags,?Interrogatorandtagoperatingproceduresandcommands,?thecollisionarbitrationschemeusedtoidentifyaspecifictaginamultiple-tagenvironment.
【中国标准分类号】:
【国际标准分类号】:35_040
【页数】:470P.;A4
【正文语种】:英语