学科分类
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5 个结果
  • 简介:Thestudyontrichromaticopticalfiberradiationthermonetersisespecial-lyusefulforthenon-contactaccuratetemperaturemeasurementofthosemeatrialswiththeemissivitieschangingdramaticallywithwavelength.Onthebasisofthetrichomaticthermometryprinciple,theoperationwavelengthsofthethermometerareselectedpro-perlysoastocompensatetheemissivityinfluenceonmeasurementresulteffectively.Us-ing1×3branchingfibercuplerandnarrowbandfiltersignificantlyimprovesthein-strumentreliability.Theisstrumentisself-calibrated,multi-functionalandeasytouseduetoembodiedmicrocontrollerandsomeothertechiques.

  • 标签: 光纤温度计 三色温度计 光纤耦合器
  • 简介:Anewopticalfiberfluoropticthermometerbasedonthetemperature-fluoropticcharacteristicoffluoropticmaterialsispresented.Theratiotechniqueofintensitiesoffluorescentemissionlinesofcertainrareearthphosphorsisused,makingthemeasurementoftemperaturesofthesystemto0.5℃precision.Thecharacteristicsofthermometerarediscussedandtheexperimentresultsoftemperaturearegiven.

  • 标签: 全光纤探针 检温学 强度比 测量精度 温度
  • 简介:Anewopticalfiberfluorometricthermometerbasedonthetemperaturedependenceofthefluorescencelifetimeofphosphorisdescribed.Thephase-lockeddetection(PLD)systemisusedtomeasurefluorescencelifetime.Thecharacteristicsofthermmeterarediscussedandtheexperimentresultsaregiven.

  • 标签: 荧光温度计 光纤 荧光寿命 磷光剂 光纤温度计
  • 简介:Objective:InfraredTympanicThermometer(ITT)isoneofthemostusefulinstrumentsforaccuratelymeasuringtemperature.TheeffectsofearpathologiesonITTmeasurementremainunclear.Thepurposeofthisstudyistodetermineiftympanicmembraneperforation(TMP)affectsITTmeasurementsinadultpatients.Materialandmethods:Atotalof90adultpatientswithmonauralcentralTMPwereenrolledinthisstudy.Patientswerecategorizedintothreesubgroupsaccordingtoperforationsize(1-3mm,4-7mm,and8-10mm).Thetympanictemperaturesoftheaffectedandunaffectedsites,andsubgroupswerecomparedwitheachother.Results:Thisstudycontained54(60%)malesand36(40%)femalesrangingfrom20to58yearsofage(meanage:30.74±9.61years).ThemeantympanictemperatureofthesideaffectedwithTMPwas36.34oC±0.61oC.Themeantympanictemperatureoftheunaffectedsidewithhealthyandintacttympanicmembranewas36.33oC±0.6oC.ThePearsoncorrelationscoreforthetympanictemperaturesandthesizeofTMPwas0.22whichwasnotsignificant(r=-0.12).Conclusion:TMPandperforationsizedonotaffectITTmeasurementsinadultpatients.

  • 标签: Tympanic MEMBRANE PERFORATION INFRARED tympanic THERMOMETER
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