SAE AS4353 Hose Assembly, Polytetrafluoroethylene, Cres Reinforced, 400 掳F, 3000 psi, Heavyweight, Beam Seal, Straight t

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Product Code:SAE AS4353
Title:Hose Assembly, Polytetrafluoroethylene, Cres Reinforced, 400 掳F, 3000 psi, Heavyweight, Beam Seal, Straight to 45掳
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.
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【英文标准名称】:Fibreopticcommunicationsystemdesignguides-Part3:Calculationofpolarisationmodedispersion
【原文标准名称】:纤维光学通信系统设计指南.第3部分:偏振模散射计算
【标准号】:IEC/TR61282-3-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-10
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC86C
【标准类型】:()
【标准水平】:()
【中文主题词】:传播学;通信系统;设计;数字信号;分散;电气工程;纤维光学;光纤;数学计算;光波导;偏振;电信;波长
【英文主题词】:Communication;Communicationsystems;Design;Digitalsignals;Dispersion;Electricalengineering;Fibreoptics;Mathematicalcalculations;Opticalwaveguides;Polarizationmodedispersion;Polarization(wavephysics);Telecommunications;Wavelengths
【摘要】:ThispartofIEC61282providesguidelinesforthecalculationofpolarizationmodedispersion(PMD)infibreopticsystemstoaccommodatethestatisticalvariationofPMDanddifferentialgroupdelay(DGD)inopticalfibrecablesandcomponents.ThistechnicalreportdescribesmethodsforcalculatingPMDduetoopticalfibrecablesandopticalcomponentsinanopticallink.ThecalculationsarecompatiblewiththosedocumentedintheoutdooropticalfibrecablespecificationIEC60794-3.ExamplecalculationsaregiventoillustratethemethodsforcalculatingtotalopticallinkPMDfromtypicalcableandopticalcomponentdata.Thecalculationsincludethestatisticsofconcatenatingindividualopticalfibrecablesdrawnfromaspecifieddistribution.ThecalculationsassumethatallcomponentshavePMDequaltothemaximumspecifiedvalue.ThecalculationsdescribedcoverfirstorderPMDonly.Thefollowingsubjectareasarecurrentlybeyondthescopeofthistechnicalreport,butremainunderstudy:–calculationofsecondandhigherorderPMD;–accommodationofcomponentswithpolarizationdependentloss(PDL)–ifitisassumedthatPDLisnegligibleinopticalfibrecables;–systemimpairments(powerpenalty)duetoPMD;–interactionwithchromaticdispersionandothernonlineareffects.MeasurementofPMDisbeyondthescopeofthistechnicalreport.MethodsofmeasurementofPMDofopticalfibreandcablearegiveninIEC60793-1-48.ThemeasurementofopticalamplifierPMDisinIEC61290-11-1.ThemeasurementofcomponentPMDisinIEC61300-3-32.MeasurementoflinkPMDisgivenin61280-4-4.Ageneraltheoryandguidanceonmeasurementsisgivenin61282-9.
【中国标准分类号】:M33
【国际标准分类号】:33_180_01
【页数】:34P.;A4
【正文语种】:英语


【英文标准名称】:Testmethodformodulusofruptureofrefractorybricks
【原文标准名称】:耐火砖断裂模量的测试方法
【标准号】:JISR2213-1995
【标准状态】:现行
【国别】:日本
【发布日期】:1995-05-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonCeramics
【标准类型】:()
【标准水平】:()
【中文主题词】:耐火材料;断裂模数;挠折模量;弯曲试验;耐火性;砖;耐火砖
【英文主题词】:refractorybricks;refractories;bricks;refractorymaterials;modulusofrupture;bendtesting
【摘要】:この規格は,耐火れんがの曲げ強さの試験方法について規定する。
【中国标准分类号】:Q45
【国际标准分类号】:81_080
【页数】:3P;A4
【正文语种】:日语