简介：这份报纸使描述有弹性的字符串的一个3-dimensional网络的颤动的非线性的波浪方程的一个系统担心。作者导出方程和适当节的条件，决定平衡解决方案，并且，由使用quasilinear的方法夸张系统，证明那因为树联网天赋起始，边界值问题有古典解决方案在拉长的平衡解决方案的邻居存在。然后，这的本地可控制性近联网在某个指定时间间隔的配置被证明的如此的平衡。最后，它被证明那，给二不同平衡状态令人满意某些条件，在足够地大的时间间隔上在第二平衡的一位合适的邻居在一平衡的一位足够小的邻居从状态控制网络到任何状态是可能的。

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简介：TheNd2O3nanoparticleswhichmodifiedbyAOTwaspreparedusingmicrioemulsionmethodinthesystemofwater/xylene.L3edgeXAFSwasusedtodeterminethedifferenceofthelocalstructurearundNd^3+ionandtheelectricalstructurebetweenthenanocystallineNd2O3andthecoarsebulkmicrocrystallineNd2O3.ItwasfoundthatNd-Odistanceincreasedwiththeformofnanocrystalliteandtheintensityofabsorptionedgealsoenhancedatthesametime.

简介：Uniformlysizedα-Fe2O3hexagonalplateletsweresynthesizedbyahydrothermalprocessusingFe(OH)3suspensionandlargeamountofNaOH.ThereactionproductswerecharacterizedbyX-raydiffraction(XRD),scanningelectronmicroscopy(SEM),transmissionelectronmicroscopy(TEM),selectedareaelectrondiffraction(SAED),andavibratingsamplemagnetometer(VSM).Theresultsshowthatthehexagonalplateletsarefine,monodisperseandconsistingofsingle-crystals.Themagnetichysteresis(M-H)curveofthesamplesmeasuredatroomtemperatureindicatesthattheα-Fe2O3micro-plateletsexhibitferromagneticbehaviorswithrelativelylowcoercivity.

简介：Itisprovedthatevery3-connectedlooplessmultigraphhasmaximumgenusatleastone-thirdofitscyclerankplusoneifitscyclerankisnotlessthanten,andifitscyclerankislessthanten,itisupper-embeddable.Thislowerboundistight.Thereareinfinitelymany3-connectedlooplessmultigraphsattainingthisbound.

简介：Becausemostpiezoelectricdeviceshaveinterfaceswithfluidinengineering,itisvaluabletostudythecoupledfieldbetweenfluidandpiezoelectricmedia.Asthefundamentalproblem,the3DGreen'sfunctionsforpointforcesandpointchargeloadedinthefluidandpiezoelectricbimaterialsarestudiedinthispaper.Basedonthe3Dgeneralsolutionsexpressedbyharmonicfunctions,weconstructedthesuitableharmonicfunctionswithundeterminedconstantsatfirst.Then,thecouplefieldinthefluidandpiezoelectricbimaterialscanbederivedbysubstitutionofharmonicfunctionsintogeneralsolutions.Theseconstantscanbeobtainedbyvirtueofthecompatibility,boundary,andequilibriumconditions.Atlast,thecharacteristicsoftheelectromechanicalcoupledfieldsareshownbynumericalresults.

简介：3-Mercaptopropionicacidmonolayerprotectedgoldnanoclusters(MPA-MPCs)weresynthesizedandcharacterizedbytransmissionelectornmicroscopy,UV-Visspectroscopy,X-rayphotoelectronspectroscopyandFourlertransforminfraredspectroscopy.Theexactvalueofquantizeddouble-layercapacitanceofMPCsinaqueousmediawasobtainedbydifferentialpulsevoltammograms.

简介：Inthispaper,wefirstshowtheglobalexistence,uniquenessandregularityofweaksolutionsforthehyperbolicmagnetohydrodynamics(MHD)equationsinR~3.ThenweestablishthatthesolutionswithinitialdatabelongingtoH~m(R~3)∩L~1(R~3)havethefollowingtimedecayrate:║▽~mu(x,t)║~2+║▽~mb(x,t)║~2+║▽~(m+1)u(x,t)║~2+║▽~(m+1)b(x,t)║~2≤c(1+t)~(-3/2-m)forlarget,wherem=0,1.

简介：<正>LetMbeacompactminimalsurfaceinS3.Y.J.Hsuprovedthatif‖S‖2≤2(21/2π,thenMiseithertheequatorialsphereortheCliffordtorus,where5"isthesquareofthelengthofthesecondfundamentalformofM,‖·‖2denotestheL2-normonM.Inthispaper,wegeneralizeHsu’sresulttoanycompactsurfacesinS3withconstantmeancurvature.

简介：TheCasimireffecthasbeenstudiedforvariousquantumfieldsinbothfiatandcurvedspacetimes.Asafurtherstepalongthisline,weprovideanexplicitderivationofCasimireffectformasslessspin-3/2fieldwithperiodicboundaryconditionimposedinfour-dimensionalMinkowskispacetime.ThecorrespondingresultswithDirichletandNeurnannboundaryconditionsarealsodiscussed.

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简介：Atopologymethodispresentedinthispapertorevealflowtructureoccurringinsieturbomachinery,inwhichnearwallflowstructureisrevealedbyusingwalllimitingstreamilinesandspaceflowfeatureisrevealedbyusingspacestreamilinesandcross-sectionstreamlines,Asanexample,acomputationalthree-dimensionalviscousflowfieldinsideatransonicturbinecascadeisstudied.Throughtheanalysis,theformandevolutionofvortexsystemandthewholeprocessofseparationoccurringwithinthiscascadearerevealed.Theapplicationoftopologymethodforanalyzeflowstructureinsideturbomachinmeryisveryimportantforunderstandingflowfeaturesandmechanismofflowlossevenforimprovingthedesignofturbomachineryandincreasingitsefficiency.

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简介：Thebilayerorganiclight-emittingdiode(OLED)withabluefluorescentlanthanumcomplex,tris(1-phenyl-3-methyl-4-isobutyryl-5-pyrazolone)-(2,2′-dipyridyl)lanthanum[La(PMIP)3(Bipy)],asalightemittingmaterialandN,N′-diphenyl-N,N′-bis(3-methylphenyl)-1,1′-biphenyl-4,4′-diamine(TPD)asaholetransportingmaterialemitsbrightgreenlightinsteadofbluelight.Thedataoftheabsorption,thephotoluminescence(PL)andthephotoluminescenceexcitation(PLE)spectraofTPD,La(PMIP)3(Bipy)andthemixtureofTPDandLa(PMIP)3(Bipy)(molarratio1∶1)provethattheelectroluminescentemissionoriginatesfromtheexciplexontheinterfacebetweenTPDandLa(PMIP)3(Bipy).Byimprovingdeviceconfigurationwithtris(8-hydroxyquinoline)aluminum(ALQ)asanelectrontransportingmaterial,amaximumluminanceof800cd/m2wasobtained.

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简介：这份报纸被奉献给考虑三维粘滞大规模空气的原始方程。首先，我们比那与更弱的起始的数据为原始方程证明全球well-posedness在[11]。第二，我们获得方程的光滑的答案的存在。而且，我们为大规模空气的原始方程产生的动态系统在V获得紧缩的全球引起注意的人，它改进结果[11]。

简介：Lens-likevateriteCaCO3microringscomposedofCaCO3nanoparticlesweresynthesizedviaamicro-emulsion-mediatedrouteatroomtemperaturewithethanolandn-hexanolasco-surfactant.Thisprocessdidnotde-mandanyadditionalenergysuchasheatingorcontinuousagitation.Itwasthefirsttimetouseethanolasco-surfactantinthesynthesisofmicroornanomaterials.AndtheethanolwasbelievedtoplayanimportantroleintheaggregationfashionofCaCO3nanoparticles.Moreover,shuttle-shapednanorods,hexagonalnanoplates,andrice-likenanoparticleswerealsofabricatedbymodulatingthegrowthparameters.Additionally,theintroduceofethanolintomicroemulsionsasco-surfactantmaybegeneralizedasanovelgreenroutetocontrolthestructureofotherfunctionalmaterials.