简介:AmodelofcrosslinkerunbindingisimplementedinahighlycoarsegrainedgranularmodelofF-actincytoskeleton.WeemploythisspecificgranularmodeltostudythemechanismsofthecompressiveresponsesofF-actinnetworks.ItisfoundthatthecompressiveresponseofF-actincytoskeletonhasdependencyonthestrainrate.TheevolutionofdeformationenergyinthenetworkindicatesthatcrosslinkerunbindingeventscaninducetheremodellingofF-actincytoskeletoninresponsetoexternalloadings.TheinternalstressinF-actincytoskeletoncanefficientlydissipatewiththehelpofcrosslinkerunbinding,whichcouldleadtothespontaneousrelaxationoflivingcells.
简介:ShortDriveMechanismforFaradayCup¥ZhangGongXiang;JiangFakuiandLouMeilingThenewECRsourcebeamlinewhichisunderconstructionneedsth...
简介:Introductionα-Aminonitrile(oraminoacetonitrile)isakindofreactivebioorganicmolecules,anditmayexistininsterstellarclouds.itsimportanceliesinthata-aminonitrilemayplayaroleinthegenerationoflargecarbon-nitrogenchainmolecules.Bymeansofflashvacuumthermolysisandgas-solidreaction(FVT-GSR)tech-nique,Guillemin,etal.,studiedthethermolysisofa-aminonitrile,theyconsideredthattheeliminationofHCN(shownasfollowing)isakeystepinmanyreactionsofα-
简介:Themechanismofcesiumexchangeonpotassiumtitaniumhexacyanoferrate(KTiFC)isdescribedinthispaper.Thedependenceoftheexchangerateontemperature,particlegranulesize,andshakingfrequencyisstudied.Theresultsshowthationexchangeprocessiscontrolledbyliquidfilmdiffusioningranuleparticle.AnexchangereactionoccursmainlybetweenK^+intheexchangerandCs^+inthesolution.
简介:Reactionergodographyfortheadditionoflithiumhydridetoacetyleneindicatesthatthelithiumhydride,inbothmonomericanddimericforms,reactswiththeacetyleneviatwosimilarandcompetitivepathways.Hence,wehaveobtainedthepseudo-first-orderrateconstantofthisreaction.
简介:SomeofthemainprogressontheinvestigationofthemechanismofthewaveformationinexplosiveweldingattheInstituteofMechanicsissummarizedandotters’previousworksarere-viewed.OursystematicexperimentsandanalysisdonotsubstantiatethetheoryofwaveformationbasedonKarmanvortex-streetanalogyorHelmholtzinstability.Onthecontrary,theyshowthatmateri-alstrengthinsensitivetostrainrateplaysanimportantrole.Asimplehydro-plasticmodelispresentedtoexplainthemainfeaturesregardingtheinterracialwaveformationandtoestimatethemagnitudeofwavelength.Theresultisinbroadagreementwithexperiment.
简介:§1.IntroductionLetEbeanon-zerocomplexBanaohspace,&(JET)theBanaohalgebraofalltheoperatorsfromEintoitself.Operatormeans'boundedlinearoperator'throughout.Anoperatorfunction/fromadomain(openset)Dinthecomplexplaneto@l(T£}issaidtobeanalytic,ifforanyx^Eandq>£E*(thedualspaceofE\9>(/(z)aOisanalyticintheclassical’senseinD([1],p.92).Wedenotebyja/B(D)thesetofalltheanalyticoperatorfunctionsfromDinto
简介:Westudytheattackvulnerabilityofnetworkwithduplication-divergencemechanism.Numericalresultshaveshownthattheduplication-divergencenetworkwithlargerretentionprobabilityσismorerobustagainsttargetattackrelatively.Furthermore,duplication-divergencenetworkisbrokendownmorequicklythanitscounterpartBAnetworkundertargetattack.SuchresultisconsistentwiththefactofWWWandInternetnetworksundertargetattack.Soduplication-divergencemodelisamorerealisticoneforustoinvestigatethecharacteristicsoftheworldwidewebinfuture.Wealsoobservethattheexponentγofdegreedistributionandaveragedegreeareimportantparametersofnetworks,reflectingtheperformanceofnetworksundertargetattack.Ourresultsarehelpfultotheresearchonthesecurityofnetwork.