简介：TheresolutionexpressionforthetemperaturedependenceofthecurrentandthresholdvoltageisdeducedaswellastheanalysisoftemperaturecharacteristicsofBJMOSFET.EquivalentcircuitofanalysisandsimulationhasbeenestablishedfortheBJMOSFETtemperaturecharacteristics.ByusingthegeneralcircuitsimulationsoftwareofPSpice9andcomputersimulation,characteristicgraphsoftheBJMOSFEToutputcharacteristic,transientcharacteristicandamplitude-frequencycharacteristicwithtemperaturevariationareobtained.TheresultsaccordedverygoodwiththeoreticalanalysisandprovedthatBJMOSFEThasbettertemperaturecharacteristicsthantraditionalMOSFET.

简介：二个小尺寸的包裹方法，基于的包裹方法和plating黄金基于的薄不锈钢试管为纤维布拉格包装方法栅栏(FBG)温度传感器，被设计。在环境温度between203K和243K的FBG温度传感器的特征被调查。温度的功能试验性地被检验的FBG温度传感器的波长。处于相同条件的二个不同small-sizepackage传感器的实验结果与对方相比。传感器的传播光谱在273K和213K的温度被分析。温度传感器的敏感因素是导出的经分解并且被实验验证。到thewavelength温度曲线的线性适合被执行。

简介：Theeffectoftemperatureonthecriticalaggregateconcentration(CAgC)hasbeeninvestigatedforthefirsttime,bymeasurementofthehydrolyticrateconstantsofp-nitrophenyldodecanoate(C12)andhexadecanoate(C16)atdifferenttemperaturesinthe30:70V/V(Φ=0.30)and40:60V/V(Φ=0.40)dioxane(DX)-H2Osystems.TheCAgCvaluesofC12andC16increasewiththeincreaseofthetemperature,i.e.,hightemperaturesdisfavoraggregation.ActivationenergiesforthehydrolysisofC12inthemonomericandaggregatedconcentrationdomainshavealsobeendiscussed.

简介：ThispaperdealswiththetemperaturecorrelationofgrayscaleofBmodeultrasoundimagefromheatedtissue.Inthisstudy,manyin-vitrofreshpigliversareheatedinatemperaturerangefrom28℃to45℃,fromwhichaseriesofB-modeultrasonicimagesofliverswereobtained.Thegray-valueisevaluatedfromtheultrasoundimagesrespectively.Acorrelationofthemeangrayvalueoftheselectedregions(12×12pixels)inB-modeultrasonicimagesofliveranditstemperaturewaspointedout.Andtheexperimentresultsagreedtheevaluationwell.Anditispossibletomonitorthetissuetemperaturechanginginhyperthermiausingthiscorrelation.

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简介：Atemperaturecontrolsystemof31mverticalforcedair-circulationquenchfurnaceisproposed,whichisakindofequipmentcriticalforthermaltreatmentofaluminumalloycomponentsthatarewidelyusedinaerospaceindustry.Fortheeffectiveoperationofthefurnace,itisessentialtoanalyzetheradialtemperaturedistributionofthefurnace.Asetofthermodynamicbalanceequationsmodelingisestablishedfirstly.Byutilizingthenumericalanalysisresulttomodifythetemperaturemeasurements,thecontrolaccuracyandprecisionofthetemperaturearetrulyguaranteed.Furthermore,themultivariabledecouplingself-learningPIDcontrolalgorithmbasedonthecharacteristicsofstrongcouplingbetweenthemulti-zonesinthelarge-scaledfurnaceisimplementedtoensurethetruehomogeneityoftheaxialtemperaturedistribution.Finally,theredundantstructurecomposedofindustrialcontrolcomputersandtouchpanelsleadstogreatimprovementofsystemreliability.

简介：Anewsetupofmeasuringtemperatureisdeveloped,whichtheprobeisamicro-powerconsumptiveonewithCMOScircuitandisdrivenbyopticalpower.Fortransmittingthemeasuredsignalandopticalsignalinalongdistance,thefibertechnologyisappliedinthissetup.

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简介：Acousticimpulsesproducedthroughthemechanismofthelaser-inducedbreakdowninwaterhavebeeninvestigatedintherangefrom0℃toroomtemperature.Differentlyfromtheacousticimpulsesproducedviathermalexpansion,thepolarityandtheamplitudeofacousticimpulseproducedvialiquidbreakdownmechanismdonotchangewithwatertemper-ature.Thisindirectlyprovesthattheproductionofacousticimpulseisduetotheexpansionofthecavityitselfwhichincludesplasma.Asemiempiricaldescriptionofthisphenomenonisgiveninthispaper.

简介：Weconsideronesourceofdecoherenceforaquantumcomputercomposedofmanytrappedionsduetothethermaleffectsofthesysteminthepresenceoflaser-ioninteraction.Theupperlimitofthetemperatureatwhichthelogicalgateoperationscouldbecarriedoutreliablyisgiven,andourresultisagreementwiththeexperiment.

简介：Inthispaper,theresponseoftheatmospheric3-5yearcycletoNorthernPacificSSTisdiscussed,Theresultsareasfollows:1.FromthesimultaneoustemporalcorrelationsbetweentheEquatorialEasternPacificSST,thewesterlydirftarea’sSSTandtheNorthernPacificSSTatallgridpoints,wefindthattherearethreecorrelativeregionsintheNorthernPacificSSTfield,theyarethewesterlydriftarea,theEquatorialEasternPacificandtheAlaskaBay,andtheirstructuresareverysimilartothePNApatternintheatmosphereThedifferencePTIbetweentheEquatorialEasternPacificSSTanomalyandthewesterlydriftarea’sSSTanomalycanindicatethechangeofthePNApatternoftheNorthernPacificSSTanomaly.ItcanrepresentSSTchangeof65%areasovertheNorthernPacificandcankeepwatchonElNinoandun-ElNino.2.SimultaneoustemporalcorrelativefieldbetweenPTIandfiltered500hPa(thereis3-5yearcycleonly)oftheNorthernHemispherepresentsclearPNAstructure.Theresp

简介：Athree-dimensionalsimulationmodelfortheplasma-MIGweldingprocess,whichtakestheinteractionbetweentheplasmaarcandMIGarcintoaccount,ispresentedandthequasi-steadytemperaturefieldsontheworkpiecearecalculatedwiththemodel.The10mm-5A06aluminumalloyisweldedandthetemperaturefieldsaremeasuredwiththethermoelectriccouple.Thesimulationresultsandmeasuredresultsshowthatthebiggestdeviationofpeaktemperaturebetweenthemisbelow20℃,whichindicatesgoodcoincidencebetweenthesimulationandmeasurement.

简介：DetailedanalysisontransientcharacteristicsofECLcircuitsareperformedinthispaper,thenarelativelyexactpropagationdelayexpressionappliedforalltemperaturesispresented.Thecryogeniccharacteristicsofsomedominantparameterscontributedtopropagationdelayarealsodiscussed.Themodelachievedissuitableforoptimumdesignsofhighspeeddevicesandcircuitsatalltemperatures.

简介：Onthebasisofthequantizationofmesoscopicbiologicalcellequivalentcircuit,westudiedthequantumfluctuationsofvoltageandcurrentofmesoscopicbiologicalcellequivalentcircuitasfinitetemperaturebyBogoliuovtransformation.Theresultshowsthatthequantumfluctuationsofvoltageandcurrentnotonlyrelatewiththeparametersofequivalentcircuit,temperature,butalsodecaywithtime.Thisresultmayhavesignificantvalueonthedesignandapplicationofthebio-electronicapparatus.

简介：Theprincipleofanewopticalfibertemperaturetransducerispresented,andingeniousdesignschemeofthistransducerisgiven.Becausetakingthespecialmodulationandratiomeasurement,thisnewtransducerhasprovidedwithhighcharacteristics:experimentaltransmittingdistanceis500m;measurementerror,inthemeasuredtemperaturerangeof0-250℃，,islessthan±0.5℃;powerconsumptionoftheprobeislessthan300μW.Finally,somepointsoftheexperimentaregiven.

简介：Theaxialandradialconvectiveflow,temperaturefluctuationanddistributionintheHMCZsiliconmeltarestudiedtentatively.Theexperimentalresultsshowthattheaxialandradialconvectivespeeds,thetempera-turevariationandtheradialtemperaturegradient,paralleltomagneticfieldandnearmeltsurface,alldecrease,buttheaxisymmetryoftemperaturedistributionnolongerexistswhenthemagneticfieldisapplied.

简介：Thetomographytechniqueiscommonlyusedforthereconstructionofholographicinterferometry.However,thecurrentreconstructionmethoddoesn'tconsiderthemeasurementerrorswhicharenon-avoidableinthemeasurementandwilldegradethereconstructionquality.Thefactorsaffectingthereconstructionqualityareanalyzedandthedistributionlawofthereconstructionerrorwithexperimentalerrorsisdiscussed.Finally,amethodtoimprovethereconstructionquality—theKalmanfiltermethodispresented.

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简介：Amicro-powerconsumptionnon-contacttemperaturemeasuringinstrumentforbigrotosisintroduced.Asitsolververywellthesignalcouplingunderhighspeedrotationandpowersupplyproblemforprobe,theinstrumentcanrealizepersistenton-linetemperaturemeasurementforbigrotordrivedbytheordinarylighttransmittedbyopticalfiberundertheroomlight.

简介：Inthispaper,anartificialneuralnetworkmodelisadoptedtostudytheglasstransitiontemperatureofpolymers.Inourartificialneuralnetworks,theinputnodesarethecharacteristicratioC∞,theaveragemolecularweightM,betweenentanglementpointsandthemolecularweightMmonofrepeatingunit.TheoutputnodeistheglasstransitiontemperatureTg,andthenumberofthehiddenlayeris6.Wefoundthattheartificialneuralnetworksimulationsareaccurateinpredictingtheoutcomeforpolymersforwhichitisnottrained.Themaximumrelativeerrorforpredictingoftheglasstransitiontemperatureis3.47%,andtheoverallaverageerrorisonly2.27%.Artificialneuralnetworksmayprovidesomenewideastoinvestigateotherpropertiesofthepolymers.