简介:Inthispaper,therelationshipsoftheplungesandazimuthsofTandPaxesversusthestrikes,dips,andrakesoftwoseismicnodalplaneswerederivedtoprovidereferenceforearthquakeresearchers.TheindependenceoftheplungesandazimuthsofT,B,andPaxesinfocalmechanismsolutionwasdiscussed,anditwasconcludedthatthreeparameters,i.e.,theazimuthsofT,BandPaxes,arecompletelyindependent.ThefocalmechanismsolutionrepresentationbasedonEulerrotationwasintroduced,usingthreeEuleranglesinplaceoftheplungesandazimuthsofT,B,andPaxes,andthreefocalmechanismsolutionrepresentationswerebrieflycomparedandanalyzedinrespectofaccuracyonthebasisoftheassumptionofrounding;itwasconcludedthattheEuleranglerepresentationhasbetteraccuracy,comparedwiththeazimuthrepresentationandthetraditionalrepresentationwithT,B,andPaxes.
简介:Theexperimentalstudywasperformedin78rabbits,theexposedanteriorven-tricularsurfaceoftheopen—chestrabbitswereimpactedwithapendulum—likemovementimpactorsystemwhichwascontrolledbytheCardiaccycle.Undrsomegivenconditions,theexperimentalresultswereasfollows:(1)Theimpactsat5.0m·s-1resultedinnocardiacruptureinallattemps(16/16)attheendofsystoleas
简介:ShapeMemoryAlloy(SMA)opticallyactivatedisthekeylechnologyofopticalSMAactivator,AccordingtotheshapememorymechanismofSMA,researchesaredoneontheactivatingresponsetimeandlightwavelengthofactivatingsourceelcofSMAopticallyactivatedtoapproachtheparameterswelectionofopticalactivation,SMAhastheoptimumefficiecyintherageof13secondsto27secondswhenSMAisilluminatedcontinuslybywavelengthof675nm;ThepoweroflightwavehasaloweffectonSMA;thelongertheactivatingwavelenth,thequickertheresponsetimeofSMAactivated,Iftheproperactivatingtimeandactivatingwavelength,areadopted,andthestructuredeformationofcompositematerialofSMAimbeddedmaybeactielycontrolled,andidealeffectwillbegotten,TheresarchprovidesanevdenceforthedesignofopticalSMAactivatorandisofgreatsignificncetoitsapplication,Theresarchonsmartstructurehasawideapplicationprospect.
简介:【摘 要】:锅炉准备点火和炉膛吹扫尤其耗费较长时间,一方面是因为炉膛吹扫程序繁杂,本文介绍了炉膛吹扫程序相关逻辑,并根据现场实际运用中出现的问题进行了优化。