ISO/IEC 9075-1-1999 信息技术数据库语言SQL第1部分:框架(SQL/框架)
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来源:标准资料网
【英文标准名称】:Informationtechnology-Databaselanguages-SQL-Part1:Framework(SQL/Framework)
【原文标准名称】:信息技术数据库语言SQL第1部分:框架(SQL/框架)
【标准号】:ISO/IEC9075-1-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-12
【实施或试行日期】:
【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】:文献;文本处理;机架;语法;人工语言;结构化询问语言;数据库语言;文献工作;处理;信息技术;数据处理;概念;实际数据库;信息交换
【英文主题词】:concepts;documentations;informationtechnology;sql;textprocessings;artificiallanguages;informationinterchange;grammar;frames;processing;documents;databaselanguages;factualdatabases;dataprocessing
【摘要】:
【中国标准分类号】:L74
【国际标准分类号】:35_060
【页数】:
【正文语种】:英语
【英文标准名称】:Processmanagementforavionics-Atmosphericradiationeffets-Part5:Guidelinesforassessingthermalneutronfluxesandeffectsinavionicssystems
【原文标准名称】:航空电子设备的过程管理.大气辐射影响.第5部分:航空电子系统热中子通量和影响的评估用指南
【标准号】:IEC/PAS62396-5-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-09
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC107
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;大气辐射;宇宙辐射;影响;电气工程;电子工程;电子设备;电子设备及元件;电子仪器;设备;管理;微电子学;中子;工艺管理;质量保证;辐射影响;辐射暴露;额定值;可靠度;规范;规范(验收);热的
【英文主题词】:Aerospacetransport;Airtransport;Atmosphericradiation;Cosmicradiation;Effect;Electricalengineering;Electronicengineering;Electronicequipment;Electronicequipmentandcomponents;Electronicinstruments;Equipment;Management;Microelectronics;Neutrons;Processmanagement;Qualityassurance;Radiationaction;Radiationeffects;Radiationexposure;Ratings;Reliability;Specification;Specification(approval);Specifications;Thermal
【摘要】:ThepurposeofthisPASistoprovideamoreprecisedefinitionofthethrealthatthermalneutronsposetoavionicsasasecondmechanismforinducingsingleeventupset(SEU)inmicroelectronics．TherearetwomainpointsthatwillbeaddressedinthisPAS：1)adetailedevaluationoftheexistingliteratureonmeasurementsofthethermalfluxinsideofairlinersand2)anenhancedcompilationofthethermalneutronSEUcrosssectionincurrentlyavailableSRAMdevices(morethan20differentdevices)．ThenetresultofthereviewsofthesetwodifferentsetsofdatawillbetworatiosthatweconsidertobeveryimportantforleadingtotheultimateobjectiveofhowlargeathreatistheSEUratefromthermalneutronscomparedtotheSEUthreatfromthehighenergyneutrons(E>10MeV)．Thethreatfromthehighenergyneutronshasbeendealtwithextensivelyintheliteratureandhasbeenaddressedbytwostandards([2]1inavioniCSand【1】inmicroelectronicsontheground)．ThetworatiosthatthisPASconsiderstobesoimportantare：1)theratioofthethermalneutronfluxinsideanairlinerrelativetothefluxofhighenergy(>10MeV)neutronsinsidetheairlinerand2)theratiooftheSEUcrosssectionduetothermalneutronsrelativetothatduetohighenergyneutrons．Theseratiosareconsideredtobeimportantbecausewiththem．OnceweknowwhattheSEUratesarefromthehighenergyneutronsforanavionicsboxatopicwhichhasbeendealtwithextensively,suchas【1】,thentheadditionalSEUrateduetothermalneutronscanbeobtainedwiththeseratios．Thus．GiventheSEUratefromhighenergyneutrons,multiplyingthisbythetworatiosgivestheSEUratefromthethermalneutrons．ThetotalSEUratewillbethecombinationoftheSEUratesfromboththehighenergyandthermalneutrons．
【中国标准分类号】:V35
【国际标准分类号】:03_100_50;31_020;49_060
【页数】:16P;A4
【正文语种】:英语
【英文标准名称】:Aerospaceseries-Cableoutletaccessoriesforcircularandrectangularelectricalandopticalconnectors-Cableoutlet,styleK,90°C,forheatshrinkableboot,shielded,sealed,self-lockingforEN3645:Productstandard
【原文标准名称】:航空航天系列.圆形和矩形电连接器和光学连接器用电缆输出配件.EEN3645自锁紧密封铠装热收缩保护罩用90°C、K型电缆引出端.产品标准
【标准号】:BSEN3660-062-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2010-01-31
【实施或试行日期】:2010-01-31
【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】:航空航天运输;航空运输;航空器部件;圆形连接器;圆形;组件;连接尺寸;设计;名称与符号;尺寸;电连接器;电插头;电气工程;外壳;热缩元件;检验;处理;多语种的;光学连接器;插头;矩形连接器;矩形;自锁紧;航天运输;规范(验收);终端铸件;试验;公差(测量);类型
【英文主题词】:Aerospacetransport;Airtransport;Aircraftcomponents;Circularconnectors;Circularshape;Components;Connectingdimensions;Design;Designations;Dimensions;Electricconnectors;Electricplugs;Electricalengineering;Enclosures;Heatshrinkablecomponents;Inspection;Marking;Multilingual;Opticalconnectors;Plugs;Rectangularconnectors;Rectangularshape;Self-locking;Spacetransport;Specification(approval);Terminalcasings;Testing;Tolerances(measurement);Types
【摘要】:ThisEuropeanStandarddefinesarangeofcableoutlets,styleK,90°,shielded,sealed,self-locking,forheatshrinkableboot,foruseunderthefollowingconditions:ThematingconnectorsarelistedinEN3660-002.Temperaturerange,ClassF:?65°Cto200°C;ClassK:?65°Cto260°C;ClassW:?65°Cto175°C.Associatedelectricalaccessories:EN3660-033Metallicband(forshieldterminationbackshells).Thesecableoutletsaredesignedforterminationofoverallshieldingbraidorindividualcableshields.Theyaccommodate/permittheterminationofheatshrinkableboots.
【中国标准分类号】:V25
【国际标准分类号】:49_060
【页数】:18P.;A4
【正文语种】:英语
