简介：生长一延长或过寺院生活椭圆形在纤维微虚空矩形的薄板使遭到了到单轴的延期的增强的各向异性的不可压缩的超在有限弹性的框架以内被学习。在虚空的生长上联合空形状和空尺寸的效果被付特殊注意到。有孤立的椭圆形的虚空的板的变丑功能被给参数，它被二表示解决微分方程。答案近似从最小的势能原则被获得。为有虚空的表面上的大量空方面比率和压力分布的虚空的变丑曲线被数字计算获得了。虚空的生长行为和虚空的表面上的压力分布的特征被捕获。在薄板中的虚空的生长上的空尺寸和空形状的联合效果被讨论。为有不同尺寸和不同空方面比率的虚空的最大的压力被比较。

简介：Toinvestigatetheinhibitingeffectsoftheanti-angiogenicfactorandostatinandtheanti-angiogenicdrugendostatinontumourangiogenesisandtumourcells,acoupledmathematicalmodeloftumorangiogenesiswithtumourgrowthandbloodperfusionisdeveloped.Simulationresultsshowthatangiostatinandendostatincanimprovetheabnormalmicroenvironmentinsidethetumourtissuebyeffectivelyinhibitingtheprocessoftumorangiogenesisanddecreasingtumourcells.Thepresentmodelcanbeusedasavalidtheoreticalmethodintheinvestigationofthetumouranti-angiogenictherapy.

简介：Forthefirsttime,WO2.72nanowireswerein-situgrownoncarbonclothbyasimplesolvothermalreaction.ThenanowireWO2.72/carboncloth(NWWO2.72/CC)electrodeshowedgoodelectrochemicalperformancewithspecificcapacitance(Cs)reachingupto398Fg-1atacurrentdensityof2Ag-1.Thecapacitanceof240Fg-1wasretainedatahighcurrentdensityof16Ag-1.Tofurtherevaluatetheenergystorageperformance,flexibleasymmetricsupercapacitors(FASCs)werefabricatedusingtheactivatedcarbon/carboncloth(AC/CC)asnegativeelectrodeandNWWO2.72/CCaspositiveelectrode,respectively.TheFASCsdeliveredahighenergydensityof28Whkg-1atapowerdensityof745Wkg-1and13Whkg-1evenatahighpowerdensityof22.5kWkg-1.Moreimpressively,81%ofthespecificcapacitanceoftheFASCswasretainedafter10,000cycles,indicatingexcellentcyclestability.ThisworkindicatestheNWWO2.72/CCholdsagreatpotentialforapplicationinenergystoragedevices.

简介：Wereportthatβ’-Gd2(MoO4)3crystalshavebeengrownbytheCzochralski(CZ)method.Westudiedthegrowthconditionsfoβ’-Gd2(MoO4)3crystal.Acompatisonbetweentheresistance-heatedmethodandradiofrequencyinduction-heatedmethodisdescribed.Also,theinsituobservationofthedomainstructurebythemicroscopeandbysynchrotronradiationX-raytopographyundertheconditionsofDCpolarizationvoltageandtempertaturechangewerecarriedout.Experimentsshowedthatmultidomainstructureincludingferroelectricandferroelasticdomainsoccurredinβ’-Gd2(MoO4)3cystal.Usuallyferroeletiricdomainsappearedintheas-growncrystalandferroelasticdomainsappearedinthepolishedthinnerpiece.BothferroelectricandferroelasticdomainsdisappearedwhenthetemperatureofthecrystalpiecewashigherthantheCurietempperatureTcandtheycouldbereproducedwhenthetemperatureofthecrystalpiecewasloweredbelowTC.WhenaDCpolarizationvoltagerangingfrom150to500Vwasappliedonac-axisβ’-Gd2(MoO4)3piecehavingathicknessof0.5mm,themultidomainwouldgraduallytransformtoasingledomain.Thisresualmeansthatitispossibletomakeaperiodicallypoledβ’-Gd2(MoO4)3crystal.2001ElsevierScienceB.V.Allrightsreserved.

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简介：Ironcatalystnanoparticleswerepreparedonsiliconwafersbyspin-coatingcolloidalsolutionscontainingironnitrate,polyethyleneglycol(PEG)andabsoluteethanol.Theeffectsofvariousspin-coatingconditionswereinvestigated.Thefindingsshowedthatthesizeoftheironparticleswasgovernedbythecompositionofthecolloidalsolutionusedandthatahighangularspeedwasresponsiblefortheformationofathincolloidalfilm.Theeffectofangularaccelerationonthesizeanddistributionoftheironparticleswerefoundtobeinsignificant.Itwasobservedthatalongerspin-coatingdurationprovokedtheagglomerationofironparticles,leadingtotheformationoflargeparticles.Wealsoshowedthatsingle-walledcarbonnanotubescouldbegrownfromthesmallestironcatalystnanoparticlesafterthechemicalvapordepositionofmethane.

简介：Pureandneodymium-dopedgadoliniumcalciumoxoboratecrystalsofhighqualityweregrownbytheCzochralskimethod.Theorientationofcrystalwaspreciselydetermined,andthesamplesformeasurementswereprepared.Throughsynchrotronx-raytopographyandhigh-resolutionx-raydiffractometry,thetwinstructurewasdiscovered.Somepropertiessuchasthefigureofmeritvalue,anddielectric,piezoelectric,andelasticconstantsweremeausuredalongwithadiscussionoftheanisotropyofthelaserproperties.