简介：有分叉的烃链的酚衍生物的聚集和deaggregation行为在CH3OH和缓冲区答案被学习了。有聚集数字测量和房间粘附实验的联合，目标分子的deaggregating能力上的结构效果被讨论。结果显示2-phytyl-4-methoxylphenol(11)是在学习的系统的最有效的deaggregator。

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简介：Thephotoelectrochemicalbehaviorofpolyaniline（PAn）filmwasstudiedinaqueouselectrolytesolutioncontainingFe（CN）63-/Fe（CN）+4-redoxcouple.ItwasfoundthatPAnfilmspossessthepropertiesofp-typesemiconducterandacathodicphotocurrentashighas700μA/cm2wasobservedwhenirradiatedunderpolychromaticlightof100mW/cm2.

简介：绝缘的常数和绝缘的损失，以及silylated纤维素的绝缘的松驰的活化能从10～50度C在频率范围10**5以内被测量到10**7Hz和温度范围。测试样品是有乙烯肼的激活的纤维素，与氢氧化钠并且在silylation前后使纤维素失去活性。大小用multi-deka-meter被执行。纤维素分子是处理比与氢氧化钠与乙烯肼激活的更多。通常，silylation引起绝缘的经常、绝缘的损失的显著减少，同时，silylated样品与氢氧化钠和乙烯肼与棉绒ers的预告的处理被影响。(编辑作者摘要)28个裁判员。

简介：Basedonaseriesofnumericalcalculations,thebehaviorofflowfieldinobstructedsquarebuoyantverticaljetissummarizedandanalyzed.Basedontheaxiallinevelocitydistribution,theflowafterthedisccanbedividedintothreeregions,i.e.,recirculationregion,transitionalregionandself-similarregionThecharacteristicofself-similarityofuprightvelocitywasvalidated.Thethreeregionscanalsobedistinguishedbasedontheaxialvelocity.Theaxialvelocityinself-similarregionwasfoundtoobeythesamelawandtheformulapresentedbyintroducingthevelocityexpressionusedbyChenandRodi.Theisolinesofpressureoncross-sectionsofdifferentheightsweredisplayedandtheproduction,expansion,breakinganddisappearingofnegativepressureregionswerefound.

简介：Thedynamicresponseofthenon-linearelasticsimplysupportedbeamsubjectedtoaxialforcesandtransverseperiodicloadisstudied.Melnikovmethodisusedtoconsiderthedynamicbehav-iorofthesystemwhosepost-bucklingpathissteady.Theeffectofthehigherordertermsinthecon-trollingequationistakenintoaccount.Itisfoundthatthefifth-ordertermshaveagreatinfluenceonthedynamicbehaviorofthesystem.Theresultshowsthatthereexisteitherhomoclinicorbitsorhete-roclinicorbitsinthesystem.Inthispaper,thecriticalvaluesofthesystementeringchaoticstatesaregiven.Thediagramofanexampleisshown.

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简介：Inthispaper,thediscrete-timeneuralnetworkmodeloftwoneuronswithpiecewiseconstantargumentisconsidered.Somesufficientconditionsunderwhicheverysolutioniseitherperiodicorconvergentareobtained.

简介：Abriefreviewwithdiscussionsisconductedforsomepertinentworks,doneandongoingintheLaboratoryofPhase-ChangeandInterfacialPhenomenaatTsinghuaUniversity,oninterfacialbehaviorofvaporbubblesandinterfacialtransportphenomenaduringliquidnucleationboiling.Fromasequenceofexperimentalinvestigations,somenewphenomena,particularly,thevisuallyobservedinterfacialtransportphenomenaorprocessesincludingjet-likeflows,bubbleinteractionandspatialscaleeffect,weredescribedinthisarticle.Theinterfacialeffectsandtransportphenomenaassociatedwithsurfacetensiongradientscausedbytemperatureandconcentrationvariationsweretheoreticallyanalyzedtorevealthemarkedinfluenceonbubbleinterfacialshapeanddynamicbehavior,thebubbledynamicsincludingnucleation,bubblemotionandcoalescence.Severaltheoreticalmodelsandmethodswereproposedtodescribethedynamiccharacteristicsandexplainthephysicsofinterfacialphenomena/processes.Thespe

简介：Phosphatidylcholines(Ln’s)andtheirneutralanalogs1,2-diacyl-sn-glycerol-3-phospho-ricacidbromoethylesters(Pn’s)havebeenfoundtoexhibitdifferentaggregationbehaviorsbroughtaboutbyhydrophobic-lipophilicinteractions(HLI)bymeansofkineticprobeinMeOH-H2Obinaryaquiorganicsystems.Theeffectsofthestructureandtheenvironmentontheinterestingaggregationoftheamphiphilicmoleculesarediscussed.

简介：这份报纸报导巨浪的试验性、理论的学习发生在原型一台极端微离心的压缩机。作为第一步，10次缩放有40公里的一台极端微离心的压缩机的模型外部直径被设计并且生产。为有B参数的几不同价值的巨浪的短暂行为的详细试验性的调查被执行。试验性的结果在巨浪期间与非线性的lumped参数理论获得以便为微离心的压缩机验证理论巨浪模型的有效性的那些相比。作为结果，巨浪的相当不同的行为在实验并且在分析为B的不同价值出现了。关键词微离心的压缩机-澎湃-lumped参数模型CLC数字TK474.8+2

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简介：１ＩｎｔｒｏｄｕｃｔｉｏｎＴｈｅｎｉｃｋｅｌａｌｏｙｓａｎｄｃｏｍｐｌｅｘｅｓａｒｅｗｉｄｅｌｙｕｓｅｄａｓｍａｇｎｅｔｉｃ，ｏｐｔｉｃａｌ，ｎｕｃｌｅａｒａｎｄｓｕｐｅｒｃｏｎｄｕｃｔｉｎｇｍａｔｅｒｉａｌｓ［１，２］．Ｍａｎｙｎｉｃｋｅｌｃｏｍ...

简介：Thesurfaceemittingmicrocavityisformedbysandwichingapolymerfilmcontainingpoly(para-phenylenevinylene)(BMPPV)andpoly(N-vinylcarbazole)(PVK)betweenaDBRwithareflectivityof99.5%andasilverfilm.Thesampleisopticallypumpedbya337.1nmlineofnitrogenlaserwith10nspulsesat20Hzrepetitionrate.ThelasingphenomenonisobservedinBMPPVandPVKmixturemicrocavity.Thefullwidthathalfmaximum(FWHM)is6nmatthepeakwavelengthof460nm.Thelasingthresholdenergyisestimatedtobeabout5μJ.

简介：Rheologyofcastablesisgreatlyaffectedandcontrolledbyrheologicalbehavioroftheirmatrix.Inthiswork,therheologicalpropertiesofbauxite-basedcastablematrixhavebeenstudied.Theeffectsofsuper-finesilicaandaluminaaddition,water/cementratio,dispersantsandbauxiteparticle-sizeonviscosity,shearrateandshearstressoftheslurrieshavebeeninvestigated.Basedontheseresults,therangeofoptimumcompositionofthematrixwithgoodrheologicalbehaviorhasbeenobtained.

简介：Aclassofinitialboundaryvalueproblemsforthereactiondiffusionequationsareconsidered.Theasymptoticbehaviorofsolutionfortheproblemisobtainedusingthetheoryofdifferentialinequality.

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简介：1IntroductionKyaniteisanimportantnaturallyoccurringindustrialmineralandisusedinthemanufactureofavarietyofindustrialceramicproducts;notableexamplesincluderefractoriesandporcelains.Itisahighpressurepolymorphofthealuminosilicatesofthenesosilicategroup,whichincludeskyanite,sillimanite,andandalusite.

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简介：Subjecttotheassumptionthatthecommondistributionofclaimsizesbelongstotheextendedregularvariationclass,thepresentworkobtainsasimpleasymptoticformulafortheruinprobabilitywithinarandomornonrandomhorizonintherenewalmodel.