【英文标准名称】:Opticalfibreamplifiers-Basicspecification-Testmethodsforopticalpowerparameters-Opticalspectrumanalyzer
【原文标准名称】:光纤放大器.基本规范.光电参数测试方法.光谱分析仪
【标准号】:BSEN61290-2-1-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-10-15
【实施或试行日期】:1998-10-15
【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】:纤维光学;光学纤维;辐射流量;试样;信号电平;试验设备;波谱;放大器;波的性质和现象;光学仪器;电子设备及元件;光学放大器;光学测量
【英文主题词】:
【摘要】:ThispartofIEC61290appliestoopticalfibreamplifiers(OFAs)usingactivefibres,containingrare-earthdopants,presentlycommerciallyavailable.Theobjectofthisstandardistoestablishuniformrequirementsforaccurateandreliablemeasurements,bymeansoftheopticalspectrumanalyzertestmethod,ofthefollowingOFAparameters,asdefinedinclause3ofIEC61291-1:a)nominaloutputsignalpower;b)large-signaloutputstability;c)saturationoutputpower;d)maximuminputsignalpower;e)maximumoutputsignalpower;f)inputpowerrange;g)outputpowerrange;h)maximumtotaloutputpower.NOTE-Allnumericalvaluesfollowedby()arecurrentlyunderconsideration.
【中国标准分类号】:M33
【国际标准分类号】:33_180_30
【页数】:16P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforThermalandEvaporativeResistanceofClothingMaterialsUsingaSweatingHotPlate
【原文标准名称】:用焊接热板测定服装材料耐热和耐蒸发的标准试验方法
【标准号】:ASTMF1868-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:F23.60
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:evaporativeresistance;I;insulation;permeabilityindex;thermalresistance;totalheatloss
【摘要】:Thethermalresistanceandevaporativeresistanceprovidedbyafabric,batting,orothertypeofmaterialisofconsiderableimportanceindeterminingitssuitabilityforuseinfabricatingprotectiveclothingsystems.Thethermalinterchangebetweenpeopleandtheirenvironmentis,however,anextremelycomplicatedsubjectthatinvolvesmanyfactorsinadditiontothesteady-stateresistancevaluesoffabricsandbattings.Therefore,thermalresistancevaluesandevaporativeresistancevaluesmeasuredonahotplatemayormaynotindicaterelativemeritofaparticularmaterialorassemblyforagivenclothingapplication.Whileapossibleindicatorofclothingperformance,measurementsproducedbythetestingoffabricshasnoprovencorrelationtotheperformanceofclothingsystemswornbypeople.Clothingweight,drape,tightnessoffit,andsoforth,canminimizeorevenneutralizetheapparentdifferencesbetweenfabricsorfabricassembliesmeasuredbythistestmethod.ThethermalresistanceofclothingsystemscanbemeasuredwithaheatedmanikininanenvironmentalchamberinaccordancewithTestMethodF1291.DeparturesfromtheinstructionsofTestMethodF1868mayleadtosignificantlydifferenttestresults.Technicalknowledgeconcerningthetheoryofheatflow,temperaturemeasurement,andtestingpracticesisneededtoevaluatewhichdeparturesfromtheinstructionsaresignificant.Standardizationofthemethodreduces,butdoesnoteliminatetheneedforsuchtechnicalknowledge.ReportanydeparturesfromtheinstructionsofTestMethodF1868withtheresults.1.1Thistestmethodcoversthemeasurementofthethermalresistanceandtheevaporativeresistanceundersteady-stateconditions,offabrics,films,coatings,foams,andleathers,includingmulti-layerassemblies,foruseinclothingsystems.1.2Therangeofthismeasurementtechniqueforthermalresistanceisfrom0.002to0.2K-m2/Wandforevaporativeresistanceisfrom0.01to1.0kPa-m2/W.1.3ThevaluesinSIunitsshallberegardedasstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:13_340_10
【页数】:8P.;A4
【正文语种】: