简介：Anovelsidechainliquidcrystallinepolymer（SCLCP）combiningthepolysiloxaneasmainchainwithazo-basedmesogenmoietiesassidechainthroughaflexiblespacerhasbeensynthesizedbythehydrosilylationreactionusingCp2PtCl2ascatalyst.Thephasetransitionbehaviorofbothsidechainmonomer(AZO-C6C11)andpolymer(P-AZO-C6C11)hasbeencharacterizedviacombinationofhot-stagepolarizedmicroscope,DSCandX-raydiffractionmethods（includingtemperature-variationandquenchingtechniques）.Asnormal,thetransitionprocessincludedK→S→N→I.Somepretransitionfeatureshavebeenobserved.

简介：这篇论文报导了一有效；生产高度单音的驱散的CdSe量点(QD)的快速的方法，在哪个传统的trioctylphosphine氧化物(TOPO)是被石蜡液体代替溶剂；是的油的酸反应媒介。试验性的条件；QD的性质详细被学习了。产生样品与传播一致尺寸分发被证实电子显微镜学(TEM)，当时紫外力的吸收；光致发光(PL)系列清楚地显示如此的综合QD有好荧光性质。

简介：Wereportthemicrostructureevolutionofcopper(Cu)nm-sizedatomicislandsonsiliconeoilsurfacesintheambientatmosphere.Theoriginofthesenearlyfreesustainingatomicislandsisexplainedbyathree-stagegrowthmodel.Thefirststageisthenucleationandgrowthofatomicgranules.Subsequently,thecompactatomicislandsgrowbytheaggregationoftheatomicgranules.Finally,theyadheretoeachotherandformbranchedatomicislands.Duringthecharacteristicevolution,theatomicgranulesreconstructandtheaverageheightoftheatomicislandsincreasesfrom7.0±1.0nmto13.0±1.0nm.ThedetailedevolutionmechanismoftheCuatomicislandsispresented.

简介：Aseriesofliquidcrystallinepolymerswithtwo-dimensionalmesogenicunitsweresynthesizedbysolutionpolycondensationatlowtemperature.Allthepolymerswereliquidcrystalline.ThemeltingtemperatureT_m(exceptthatwithsubstituentofmethoxy)andtheclearingtemperatureT_iofthepolymerschangeregularlywithvaryingofthelengthofthealkylsubstituentgroups.

简介：Helixunwindinginferroelectricliquidcrystalsinducedbyanelectricfieldistheoreticallystudiedonthebasisofthecontinuumtheory.Byapplyingaweakelectricfieldtiltedtothesmecticlayers,thecontributionofthedielectricinteractionenergydensitytothetotalfreeenergydensityisincreased.Approximationmethodsareusedtocalculatethefreeenergyfordifferenttiltanglesbetweentheelectricfieldandthesmecticlayers.Theobtainedresultssuggestselectingtheoptimalnumberofpitchesinthefilmthatmatchestotheminimumofthefreeenergy.

简介：Theinfluencingfactorsforliquidphasecatalyticoxidationofminegastomethanol(informofCH3COOCH3)arestudiedusingtheself-establishedexperimentalapparatus.TheresultsshowthatCH3COOCH3(targetproduct)isobtainedbyusingCH3COOHasreactionsolvent,andtheyieldoftargetproductincreaseswiththeincreasingofreactiontemperature,gaspressureandreactiontime.Intheminegas-Pd(OAc)2-CH3COOHsystem,theyieldofCH3COOCH3increaseswiththeincreasingofadditionofPd(OAc)2whichisredoxcatalystforminegasconversion.TheyieldofCH3COOCH3willbegreatlyimprovedbycompositeadditionaloxidantwhichisobtainedbyequimolarmixofp-benzoquinonewithNO2.

简介：被动控制系统的各种各样的类型被用来在最近的年里压制结构的地震反应。在这些系统之中，调节了液体列Dampers(TLCD)由在容器联合液体团的运动的效果浪费输入地震体力，液体上的恢复力量由于严肃负担并且通过孔由于液体运动抑制。在这研究，象频率内容和土壤那样的地震刺激特征的效果用非线性的时间历史分析在TLCD的地震表演上调节reinvestigated。在这方面在伊朗的过去的地震地面运动记录之中，有不同参数的16个记录被选择。在开发的结构的模型，依附的TLCD作为一个调节的团被模仿更潮湿(TMD)有一样的颤动时期并且作为原来的TLCD抑制比率。数字结果证明地震刺激特征经常在排水量减小能力上有一个实质的角色液晶显示器和他们应该在TLCD的设计因此被考虑。

简介：Aliquid-nitrogen-cooledTm,Ho:YLFlaserisconstructedwitha10-mm-longTm(6%)andHo(0.5%)co-dopedyttriumlithiumfluoridecrystalpumpedbyalaserdiodeoperatingat792nm.ThelaseroutputpowerisimprovedbycoolingtheTm,Ho:YLFcrystalfrom300to77K.Whenthecrystaliskeptat77K,thelaserthresholdpumppoweris230mW,theslopeefficiencyis27.4%,andthemaximumoptical-to-opticalefficiencyis19.9%.Atthesametime,therelationbetweentheinputpowerandtheoutputpoweratdifferenttemperaturesisobtained.

简介：Fourtriazoleenantiomersofdiclobutrazol(erythroform)(1),paclobutrazol(erythroform)(2),diniconazole(3)anduniconazole(4)havebeenseparatedbyhighperformanceliquidchro-matography(HPLC)onchiralstationaryphase(CSP)OA-4700.Chromatographicdataandachiralrecongnitionmodelarepresentedfortheseparationofthesepesticideenantiomers.Theinfluenceofcolumntemperatureandcompositionofmobilephasehavebeendescribed.

简介：控告的表面上的波浪运动一粘滞牛顿的液体作为一个起始值的问题被解决。漏的电介质和完美的绝缘的盒子被考虑。波浪的振幅被假定小。表面充电导致的电场被显示在表面波浪上有通常使动摇的效果。中立稳定性曲线被收(G，Ne)飞机(G：重力的契约数字；Ne：电的邦德数字)。Ohnesorge数字，Taylor-Melcher数字和介电常数比率几乎没在中立稳定性曲线上有小影响。古典正常模式方法不能在小时间预言波浪行为，这被证明。

简介：ThispaperpresentsacanonicalHamiltonianmodelofliquidsloshingforthecontainercoupledwithspacecraft.Ellipticalshapeofrigidbodyisconsideredasspacecraftstructure.Hamiltoniansystemisanimportantformofmechanicalsystem.Itmostlyusedtostabilizethepotentialshapingofdynamicalsystem.Freesurfacemovementofliquidinsidethecontaineriscalledsloshing.Ifthereisuncontrolledresonancebetweenthemotionoftankandliquid-frequencyinsidethetankthensuchsloshingcanbeareasonofattitudedisturbanceorstructuraldamageofspacecraft.Equivalentmechanicalmodelofsimplependulumormassattachedwithspringforsloshingisusedbymanyresearchers.MassattachedwithspringisusedasanequivalentmodelofsloshingtoderivethemathematicalequationsintermsofHamiltonianmodel.AnalyticalmethodofLyapunovfunctionwithCasimirenergyfunctionisusedtofindthestabilityforspacecraftdynamics.Verticalaxialrotationistakenasthemajoraxialsteadyrotationforthemovingrigidbody.

简介：

简介：在这篇论文，在在低严肃下面的一辆矩形的坦克的液体sloshing的动力学被调查。基本频率和液体的sloshing的速度潜力被Fourier系列的扩大获得。力量的特征和液体作用于的时刻一辆矩形的坦克被分析。液体的sloshing的相等的机械模型ofspring-vibrator-damper与机械相等的原则被建立，数字结果被给。数字结果证明相等的sloshing团随严肃的增加增加，并且基本频率和相等的sloshing团随液体深度的增加增加。

简介：Inthispaper,thebasicequationsoftwo-phaseliquidmetalflowinamagneticfieldarede-rived,andspecifically,two-phaseliquidmetalMHDflowinarectangularchannelisstudied,andtheexpres-sionsofvelocitydistributionofliquidandgasphasesandtheratioK0ofthepressuredropintwo-phaseMHDflowtothatinsingle-phasearederived.ResultsofcalculationshowthattheratioK0issmallerthanunityanddecreaseswithincreasingvoidfractionandHartmannnumberbecausetheeffectiveelectricalconduc-tivityinthetwo-phasecasedecreases.

简介：品尼高公司推出得Liquid产品线的旗舰产品Liquidblue，它是整个颜色系列中最辉煌的色彩（这些颜色依次是紫色purple,银色silver和蓝色blue）．Liquidblue是目前市场上唯一能够支持所有数字视频本格式编码的设备．换而言之，象DVCAM，DVCPRO或数字Beta,IMX这些设备与之连接时,不必经过转码

简介：我们表明把六个液体水晶核心在戒指类型几何学穿了并且由空气洞分开了的多核心photonic液体水晶纤维(PLCF)的一种新类型。通过分析这种PLCF的结构，他们有能力抵抗结构变丑，这能被发现。由于液体的有效索引，水晶能被温度和波长调整，在六个液体水晶核心的精力被增加，温度和减少的波长增加。PLCF的有效索引被减少，有效基本模式区域被增加，分散性质轻轻地被影响，波长和减少的温度增加。

简介：Aliquidmodifiedphotoniccrystalfiber(PCF)integratedwithanembeddeddirectionalcouplerandmulti-modeinterferometerisfabricatedbyinfiltratingthreeadjacentairholesoftheinnermostlayerwithstandard1.48refractiveindexliquids.Therefractiveindexofthefilledliquidishigherthanthatofbackgroundsilica,whichcannotonlysupportthetransmittingrodmodesbutalsothe'liquidmodifiedcore'modespropagatingbetweenthePCFcoreandtheliquidrods.Hence,thelightpropagatingintheliquidmodifiedcorecanbeefficientlycoupledintothesatellitewaveguidesunderthephase-matchingconditions,resultinginadramaticdecreaseoftheresonantwavelengthintensity.Furthermore,thereisamulti-modeinterferenceproducedbymodifiedcoremodesandrodmodes.Suchacompact(~0.91cm)deviceintegratedwithanembeddedcouplerandinterferometerisdemonstratedforhigh-sensitivitysimultaneoustemperature(~14.72nm∕℃)andstrain(~13.01pm∕με)measurement.

简介：Numericalsimulationsusingvolumeoffluid(VOF)methodareperformedtostudytheimpactofliquid-to-gasdensityratioonthetrajectoryofnonturbulentliquidjetsingaseouscrossflows.Inthispaper,largeeddysimulation(LES)turbulencemodeliscoupledwiththeVOFmethodtodescribetheturbulenceeffectsaccurately.Inaddition,dynamicadaptivemeshrefinementmethodwithtworefinementlevelsisappliedtorefinethesizeofthecellslocatedatgas-liquidinterface.Densityratioischangedfrom10to5000whileothernondimensionalnumbersarekeptconstant.Largedensityratiosareconsideredinthispapersincetheyarecommoninmanypracticalapplicationssuchassolutionprecursor/suspensionplasmasprays.Oursimulationsshowthatthepenetrationheight,especiallyinthefarfield,increasesasthedensityratioincreases.Ageneralcorrelationforthejettrajectory,whichcanbeusedforawiderangeofdensityratios,isdevelopedbasedonoursimulationresults.

简介：

简介：在这份报纸，导弹影响的充满液体的试管的影响盒子的数字模拟与获得的商业有限元素代码LS-DYNA，和结果被进行与试验性的数据相比验证采用的数字模拟模型的有效性。与验证数字方法，当象indenter的团，液体的密度或影响速度那样的参数被改变，另外的条件被作为一样时，影响一根空或充满液体的三跨度的连续管状的横梁的钝indenter的动态反应的进程被学习。模拟结果显示批评穿孔精力和管子的墙的变丑被液体和压力的存在显著地影响。充满试管的液体提供一个基础压力抵抗并且本地化变丑，它可以影响穿孔过程并且导致弹道的限制的减小。模拟结果也显示液体密度的增加填了试管愿望减少弹道的限制，而是液体密度一定在某范围。当它通过对数的转变变得线性时，在试管的弹道的限制速度和影响导弹的团之间的关系在笛卡儿的坐标是非线性的。