简介：QT是什么?相信用过KDE的人一定不会陌生。因为QT使用简单(C++的一种延伸)同时又具有跨平台的特性，加上EmbededQT本身不用到X11的东西就可以做出Windows来，所以可以在很低的硬件上运行。现在很多人已经把QT用于Embedded系统上。

简介：Theanalyticembedded-atompotentialforoxygenisdevelopedfromtheexperimentaldataandtheresultsofthefirst-principle.ThepotentialisusedtopredictthegeometriesandenergiesofO3,fcc,bcc,scanddiamond.Thepredictionsareingoodagreementwithexperimentaldataavailableandothertheoreticalresults.

简介：Averticalantennaembeddedinearthwithconductivecoatinghasbeeninvesti-gatedbyemployingthemethodofintegralequation.ThistopicisavailabletoEM-MWD(Elec-tromagneticMeasurement-While-Drilling)system,whichisanewrealtimesystemfordrillingmeasurement.Undertheconditionthatthewavenumberoftheearthismuchlargerthanthatoftheair,acurrentintegralequationhasbeenderived.Afterthecurrentdistributionhavingbeendetermined,theelectricfieldstrengthontheearthsurfacehasbeenpredictedanditsdependencesontheoperatingfrequencyandthedepthofthewellhavebeendiscussedaswell.

简介：1990年，Day等首先提出QT离散度（QTd）的概念，他们将心电图12导联中最长与最短QT问期之差定义为QTd，并认为这是反映心肌区域性复极差异的定量指标，具有预测恶性心律失常及猝死危险性的意义。

简介：Anembeddedcylinderisalarge-diametercylinderembeddedinasoilfoundation.Thestateoffailureofsuchanembeddedcylindricalstructureshowslargedeflectioninsteadofslideandoverturnofthetraditionalgravitytypeofstructureplacedonarubblebaseorfoundationbase.Thecriticalvalueofdeflectionoftheembeddedcylindricalstructure,whichisthemaximumallowabledeflectionforstabilitycalculationofthecylinder,isavitalcontrolvalue.Throughinvestigationondeflectionandsoilpressuresonanembeddedcylinderbymodelexperiments,thevariationsoftheangleofrotationθofacylinderwitheffectiveanti-overturningratioηandmomentMHofthrustarediscussed.Onthebasisofexperimentalstudy,thecriticalvalueofdeflectionofthecylindricalstructureisproposedinthepaper.Meanwhile,theformulasforcalculatingdeflectionofcylindersarederived.

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简介：本文重点介绍Linux下的集成开发环境KDevelop和QtDesigner的综合使用，并通过实例来介绍二者综合使用的经验。

简介：QT间期代表心室肌除极与复极过程的心电位变化，是心肌电生理、心脏几何学、躯体学、组织阻抗和生物信息各方面相互联系的综合反应。该值在各个导联上存有差异。1985年Campbell等发现这些差异的规律性，并提出了QT离散度（QTdispersion，QTd）这个概念。1990年Day等进一步证实了QTd这个概念，认为它代表了心室肌区域性复极化不均一性和电不稳定性，且具有重要的临床价值。近年来，随着QTd在临床各领域的广泛研究，其临床价值备受人们的关注。通常正常人生理性心室肌复极不一致所造成的QTd很小，而在病理状态下，QTd就会明显增大。本文现就其临床应用综述如下。

简介：Inthispaper,aschemeofcombiningmodelcheckingandtheoremprovingtechniquestoverifyhightrustworthyembeddedsoftwareisproposed.Thesoftwaremodeldescribedinstatemachineofunifiedmodellanguageistransformedintotheinputmodelinglanguageofamodelcheckerinwhichthemodelisanalyzedwithassociatedpropertyspecificationsexpressedintemporallogic.Thesoftwaremodelwhichhasbeenverifiedbymodelcheckeristhentransformedintoabstractspecificationsofatheoremprover,inwhichthemodelwillberefined,verifiedandtranslatedintosourceCcode.Thetransformationrulesfromstatemachinetoinputlanguageofmodelcheckerandabstractspecificationsoftheoremproveraregiven.Theexperimentshowsthattheproposedschemecaneffectivelyimprovethedevelopmentandverificationofhightrustworthyembeddedsoftware.

简介：Themainresultsareasfollows.

简介：DynamicbehaviorofsinglepileembeddedintransverselyisotropiclayeredmediaisinvestigatedusingthefiniteelementmethodcombinedwithdynamicstiffnessmatricesofthesoilderivedfromGreen’sfunctionforringloads.Theinfluenceofsoilanisotropyonthedynamicbehaviorofpilesisexaminedthroughaseriesofparametricstudies.

简介：目的探讨健康成人QT间期离散度正常值。方法246例健康成人按年龄分为21岁～40岁、41岁～60岁和≥61岁3个组，记录体表同步12导联心电图，测量R—R间期，QTmax、QTmin、QTd、QTc、QTcd,对比分析不同年龄组及性别的数据测量结果。结果(1)246例健康成人QTd为(34．07±12．41)ms，范围10ms～68ms：(2)21岁～40岁、41岁～60岁和≥61岁组QTd分别为(31．55±10．56)ms、(34．06±11．54)ms和(37．45±12．68)ms，随年龄增加QTd逐渐增大，但无显著性差异(P>0．05)：(3)同一年龄组女性QTd小于男性(p<0．05)。结论健康成人QTd范围10ms～68ms：注重心电图描记质量、统一测量方法，可保障QTd测量良好的可重复性和可靠性。

简介：TheshearlagtheoryisusedtoanalyzethestresstransferfromconcretematrixtoFBGsensorsbasedonthattheFBGsensorandtheconcretematrixarecomposite.Thestresstransferformulaandthecoefficientareobtained.Theexperimentsprovethatthetheoreticalresultsofthestresstransferbythestresstransferformulaareinwellagreementwiththeexperimentaldata.

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简介：-Dynamicinteractioncharacteristicsofthemodeldeeplyembeddedplatformandfoundationsoilarestudiedbymeansofdynamicsubstructuringinterfacetransformationsynthesisanddynamiccondensation.Thetheoreticalanalysis,computerprogramsandpracticalexamplesarepresented;andtheresultsarecomparedwiththoseobtainedbystaticalcondensationmethodandfiniteelementmethod.

简介：Thelarge-diametercylinderstructure,whichismadeoflargesuccessivebottomlesscylindersplacedonfoundationbedorpartlydrivenintosoil,isarecentlydevelopedretainingstructureinChina.Itcanbeusedinport,coastalandoff-shoreworks.Themethodforstabilityanalysisofthelarge-diametercylinderstructure,especiallyforstabilityanalysisoftheembeddedlarge-diametercylinderstructure,isanimportantissue.Inthispaper,anideaispresentedthatis,em-beddedlarge-diametercylinderquayscanbedividedintotwotypes,i.e.thegravitywalltypeandthecylinderpilewalltype.Amethodforstabilityanalysisofthelarge-diametercylinderquayofthecylinderpilewalltypeisdevelopedandamethodforstabilityanalysisofthelarge-diametercylinderquayofthegravitywalltypeisalsoproposed.Theeffectofsig-nificantparametersonthestabilityofthelarge-dianetercylinderquayofthecylinderpilewalltypeisinvestigatedthroughnumericalcalculation.

简介：患者女,25岁.因与邻居发生争吵,自服强痛定20片,约30min后发生头晕、恶心、呕吐、困倦、腹胀、心前区不适,被同事发现后,随即送院诊治.

简介：Afullsolutionoftwo-dimensionalNavier-Stokesandenergyequationwasconductednumericallytoanalyzethenaturalconvectionofthehorizontalstripwithanadiabaticsubstrate.Themainfeaturesofsuchconvectionare:(i)theleadingandtrailingedgeeffect,(ii)thenon-boundarylayereffect,and(iii)thesideedgeeffect.Theresultsarecomparedwiththeboundarylayertheoryandexprimentaldata.

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