SAE AS5703 Minimum Performance Standard for Enhanced Vision System (EVS)
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来源:标准资料网
Product Code:SAE AS5703
Title:Minimum Performance Standard for Enhanced Vision System (EVS)
Issuing Committee:A-4hud Head-Up Display Subcommittee
Scope: This SAE Aerospace Standard (AS) specifies minimum performance standards for Enhanced Vision Systems (EVS) which are intended for use in the cockpit by the pilot or other flight personnel under standard and other environmental conditions.
Rationale: This SAE Aerospace Standard (AS) specifies minimum performance standards for Enhanced Vision Systems (EVS) which are intended for use in the cockpit by the pilot or other flight personnel under standard and other environmental conditions.
【英文标准名称】:Informationanddocumentation-TransliterationofArabiccharactersintoLatincharacters-Part3:Persianlanguage-Simplifiedtransliteration
【原文标准名称】:信息和文献从阿拉伯字母到拉丁字母的译音第3部分:波斯语简化译音
【标准号】:ISO233-3-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-01
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC46
【标准类型】:()
【标准水平】:()
【中文主题词】:字符集;文献工作;文献工作;信息;译音;阿拉伯字符;拉丁字符;字母表
【英文主题词】:documentation;transliteration;latincharacters;alphabets;information;documentations;arabiccharacters;charactersets
【摘要】:
【中国标准分类号】:A14
【国际标准分类号】:01_140_10
【页数】:15P;A4
【正文语种】:英语
【英文标准名称】:Railwayapplications-Railwayrollingstockcableshavingspecialfireperformance-Thinwall-Multicoreandmultipaircablesstandardwallsheathed
【原文标准名称】:铁路设施.有专门防火性能的铁路机车车辆电缆.薄壁.标准壁护套的多芯和多对电缆
【标准号】:BSEN50306-4-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-11-13
【实施或试行日期】:2002-11-13
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:交通车辆;铁路车辆;电压测量;铁道车辆;铁路设施;绝缘套;电缆护套;包覆材料;电力设备;设计;多芯电缆;铁路电力牵引装置;作标记;电线;铁路;耐力;电驱动装置;事故预防;规范(验收);安全要求;安全工程;电缆;电缆;安全;尺寸;试验;保护措施;屏蔽的;防火安全;火焰表面传播;多芯;壁厚;多线的
【英文主题词】:Accidentprevention;Cablesheaths;Cables;Casing;Claddingmaterials;Design;Dimensions;Electriccables;Electricalcords;Electricalinstallations;Electrically-operateddevices;Firesafety;Insulationsleeve;Marking;Multi-core;Multi-corecables;Multi-wire;Protectivemeasures;Railwayapplications;Railwayelectrictractionequipment;Railwayvehicles;Railways;Resistance;Rollingstocks;Safety;Safetyengineering;Safetyrequirements;Sheated;Shielded;Specification(approval);Surfacespreadofflame;Testing;Trafficvehicles;Voltagemeasurement;Wallthicknesses
【摘要】:EN50306-4specifiesrequirementsfor,andconstructionsanddimensionsof,multicoreandmultipaircablesrated300Vtoearth,ofthefollowingtypes:-unscreened,sheathedforeitherexposedorprotectedwiring(0,5mmto2,5mm,numberofcoresfrom2to48);-screened,sheathedforeitherexposedorprotectedwiring(0,5mmto2,5mm,numberofcoresfrom2to8);-screened,sheathedforeitherexposedorprotectedwiring(0,5mmto1,5mm,numberofpairsofcoresfrom2to7).NOTE1Notallconductorsizes/numberofcoresarespecifiedforeverytype.Allcableshavestrandedtinnedcopperconductors,halogen-free,thinwallthicknessinsulationandstandardwallthicknesssheath.Cabletypesarespecifiedforuseinexposedsituations(ClassE),andforprotectedsituations(ClassP).Theyareforuseinrailwayrollingstockasfixedwiring,orwiringwherelimitedflexinginoperationisencountered.Therequirementsprovideforacontinuousoperationallifeattemperaturesof90℃or105℃dependentuponthesheathsystemtype.NOTE2InEN50306-4thehighertemperatureratingof105℃isonlyallowedwheresheathtypeS2isused,andwhereithasbeenspecificallytestedforthehigherrating(i.e.bylong-termthermalendurancetestingtodemonstratealifetimeofatleast20000hat125℃).Themaximumtemperatureforshort-circuitconditionsof160℃isbasedonadurationof5s.ThecablesspecifiedinEN50306-4whichhaveasheathoftypeEM101,EM103orS2materialaresuitableforoperationattemperaturesaslowas-25℃andthosewithsheathoftypeEM102orEM104materialaresuitableforoperationattemperaturesaslowas-40℃.NOTE3WherefueloilispresentsheathtypesEM101andEM102arenotsuitable.NOTE4S2materialmayalsobesuitableforoperationaltemperaturesaslowas-40℃,butifsomustbetestedaccordinglytoconfirmthis.Underfireconditionsthecablesexhibitspecialperformancecharacteristicsinrespectofmaximumpermissibleflamepropagation(flamespread)andmaximumpermissibleemissionofsmokeandtoxicgases.TheserequirementsarespecifiedtopermitthecablestosatisfyHazardLevels2,3or4ofEN45545-1.NOTE5RequirementsfortheemissionofsmokeandgasesarenotspecifiedforcablesusedforHazardLevel1ofEN45545-1.NOTE6EN45545-1isstillunderdevelopmentandshouldbeconsulted.EN50306-4shouldbeusedinconjunctionwithEN50306-1,Generalrequirements,EN50306-2,Singlecorecables,andEN50306-3,Singlecoreandmulticorecables.note:2)Atdraftstage.
【中国标准分类号】:S35
【国际标准分类号】:13_220_40;29_060_20;45_060_01
【页数】:30P.;A4
【正文语种】:英语