ISO/IEC 14763-3 AMD 1-2009 信息技术.用户建筑群布线的实现和操作.第3部分:光缆试验.修改件1

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【英文标准名称】:Informationtechnology-Implementationandoperationofcustomerpremisescabling-Part3:Testingofopticalfibrecabling;Amendment1
【原文标准名称】:信息技术.用户建筑群布线的实现和操作.第3部分:光缆试验.修改件1
【标准号】:ISO/IEC14763-3AMD1-2009
【标准状态】:现行
【国别】:国际
【发布日期】:2009-11
【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/SC25
【标准类型】:()
【标准水平】:()
【中文主题词】:验收检验;电缆;布线;连接工艺;连续性试验;阻尼(波);数据传送;定义;效率;电气工程;安装;光纤;执行;信息技术;介入损耗;装置;长度;场所;测量;测量技术;操作;光波导;极性;回程损耗;规范(验收);电信;试验设备;试验组织;试验;传输;外观检查(试验)
【英文主题词】:Acceptanceinspection;Cables;Cabling;Connectiontechnology;Continuitycheck;Damping;Datatransfer;Definitions;Efficiency;Electricalengineering;Erection;Fibreoptics;Implementation;Informationtechnology;Insertionloss;Installations;Length;Locations;Measurement;Measuringtechniques;Operation;Opticalwaveguides;Polarity;Returnloss;Specification(approval);Telecommunications;Testequipment;Testset-ups;Testing;Transmission;Visualinspection(testing)
【摘要】:
【中国标准分类号】:M33
【国际标准分类号】:35_200
【页数】:22P;A4
【正文语种】:英语


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【英文标准名称】:StandardPracticeforCorrelationsofMuValuesofContinuousFrictionMeasurementEquipmenttoDetermineMaintenanceLevelsforUseatAirports
【原文标准名称】:根据连续摩擦测量设备穆值的相关性来确定在机场使用维护水平的标准实施规程
【标准号】:ASTME2666-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E17.21
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Introduction8212;Munumbers(frictionvalues)measuredbyCFMEcanbeusedasguidelinesforevaluatingthesurfacefrictiondeteriorationofrunwaypavementsandforidentifyingappropriatecorrectiveactionsrequiredforsafeaircraftoperations.TheoriginallevelswerebasedontheworkoftheFAA/AS-90-1(3).ThereportstatesthatbasedonfrictionvaluesfromaMuMeterMarkIIusingDunloptires,andtestsconductedbyNASAinthe1970susingaBoeing727,Table1ofMuMeterfrictionlevelclassificationsforrunwaypavementsurfaceswasestablishedforfrictionmeasurementsattestspeedsof65Km/hr.Additionally,testswereconductedagainwiththeMuMeterMarkIIoutfittedwiththeDicotireat95Km/h.ThenasecondordercorrelationwasperformedfortheMuMeteroperatingat95Km/handat65Km/hresultinginthevaluesshowninTable2.ThesevalueswerethenfixedandusedwithcorrelationsofotherCFMEstoestablishthepresentmaintenancelevelsgiveninTable3.2ofFAAAdvisoryCircularAC/150/5320-12.FromtheWallops1993data,theIFIvalueswerecalculatedandthe65Km/hrdatainTable2wasusedtocalculatetheFM60valueforeachlevel.ThedataforthetwospeedsforthefourCFMEsintheFAAreport(3)wereusedtoestablishtheSMpvaluesforeachlevel.Thenanewlevel,NewGrooved,wasaddedbasedonthedifferencesofgroovedandun-groovedsitesattheNASAWallopstestfacility.Table3isalistofthesevaluestobethestandardvaluesFM60andSMpforanyfuturecalibrationofCFME.Airports8212;Routinetestingiscarriedoutinordertoobtaindataforschedulingremedialworkontherunwaysurface.Asinglerunoneithersideofthecenterlinemayberegardedassufficientorasetofrunscoveringthewholewidthoftherunwaymaybepreferred.At3mspacing,thefrictionmapwhichcanbepreparedfromasetofrunsofthiskindprovidesexcellentinformationonrubberbuildupandsurfacepolishing.Standardtestspeedsaretypically65km/hror95km/hrandstandardtestwaterfilmthicknessistypically1mm.TABLE1OriginalMuMeterFrictionClassificationsofRunwayPavementSurfacesfor65km/hrTestSpeedMuValue
Classification
40
Minimum
50
MaintenancePlanning
70
NewDesign/Construction
【英文标准名称】:Specificationforhelical-scanvideotapecassettesystemusing12,65mm(0,5in)magnetictapeontypeVHS-S-VHS
【原文标准名称】:VHS型12.65mm(0.5in)螺旋盒式磁带录像系统规范.第3部分:S-VHS
【标准号】:BSEN60774-3-1994
【标准状态】:现行
【国别】:英国
【发布日期】:1994-05-15
【实施或试行日期】:1994-05-15
【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】:盒式磁带;磁带记录;录像磁带;尺寸;信号;录音;记录系统;磁带录像机;视频记录;记录特性;名称与符号;频率响应;调频;道速;矫顽磁性;记录道;控制样品;信号电平
【英文主题词】:Acoustoelectricdevices;Audiosignals;Broadband;Cassettes(magnetictapes);Cassettes(tapes);Controlsignals;Dimensions;Electricalengineering;Helicalscanrecording;Magnetictaperecordings;Magnetictapes;Properties;Recordingengineering;Recordingsystem;Recordingsystems;Specification(approval);Trackposition;Trackwidths;VHS;Videocassettes;Videoengineering;Videoequipment;Videorecording;Videorecordingsystems;Videotaperecorders;Videotaperecordings;Videotapes
【摘要】:DefinesthebasicandcompactS-VHSvideocassettesandtheparametersandcharacteristicsforrecordingsfor525line-60fieldand625line-50fieldTVsystems.
【中国标准分类号】:M71
【国际标准分类号】:33_160_40
【页数】:24P;A4
【正文语种】:英语