简介：这个领域里的快速的发展在过去的十年眼用光技术为癌症诊断表明一个潜力。这评论加亮使用光技术的原则和优点，并且在临床的使用在肿瘤诊断和他们的限制集中于他们的申请。这些光技术是快速的方法，它能从常规方法提供很多不同信息，当时，它仍然要求临床的试用学习为临床的癌症开发并且保证这些光技术的适用性诊断。

简介：Inthispaper,weestablishasurfaceelectromyography(sEMG)signalmodelandstudythesignaldecompositionmethodfromnoisybackground.Firstly,singlefiberactionpotential(SFAP),motorunitactionpotential(MUAP)andmotorunitactionpotentialtrain(MUAPT)aresimulatedbasedonthetripolarsignalsourcemodel,andthenthesEMGisobtained;secondly,thesimulatedsEMGsignalisextractedfromthemixedsignalsthatconsistsofwhitenoises,powerfrequencyinterferencesignalandelectrocardiosignalbyindependentcomponentanalysis(ICA)algorithms;lastly,thespikescorrespondingtoeachmotorunitactionpotentialfromthesimulatedsEMGsignalsweredetectedbyapplyingthewavelettransform(WT)method.SimulationresultsshowedthatsEMGmodelcoulddescribethephysiologicalprocessofsEMG,ICAandWTmethodscouldextractthesEMGsignalanditsfeatures,whichwilllayafoundationforfurtherclassifyingtheMUAP.

简介：ImagegeometrydistortionisanimportanttechnicalstandardinB-modeultra-sounddiagnosissystem.ThispaperinvestigatesthecauseofimagedistortioninphasedarrayB-modeultrasounddiagnosissystem.Thefirstdistortioncauseisthedelayerrorofcompoundwavebind.Phasedarrayultrasoundtranduceriscomposedofmanyrectangleunits.Withcontrollinginspiringplustime,ultrasoundwave

简介：Diastemaoftenoccuredinmaxillarycompletedentureresinbaseintheclinic,although"Lucitone199"hadbeenusedwithmoretensilestrength.Mechanicalex-perimentshaveprovedthehightransversetensilestress(σ_x~+)concentratinginanteri-orteethregionandtheirpalatalsurfaceofmaxillarycompletedentureresinbasewhileitwasexposedtoverticalloadingincenterocclusion.Settingstrengtheningnetinresinbasehasachievedbetterresults.Forevaluatingpurpose,twentykinds