学科分类
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55 个结果
  • 简介:Anewmethodisproposedforsynthesizingintermediateviewsfromapairofstereoscopicimages.Inordertosynthesizehigh-qualityintermediateviews,theblockmatchingmethodtogetherwithasimplifiedmulti-windowtechniqueanddynamicprogrammingisusedintheprocessofdisparityestimation.Thenocclusiondetectionisperformedtolocateoccludedregionsandtheirdisparitiesarecompensated.Aftertheprojectonoftheleft-to-rightandright-to-leftdisparitiesontotheintermediateimage,intermediateviewissynthesizedconsideringoccludedregions.Experimentalresultsshowthatoursynthesismethodcanobtainintermediateviewswithhigherquality.

  • 标签: 中间视图合成 差异估计 动态规划 阻塞检测
  • 简介:Anovelintermediatefluidvaporization(IFV)technologyforLNGre-gasificationprocesswithspiral-woundheatexchangingtubesisproposed.ThenewIFVprojectcombinestheadvantageofrunningtheshellandtubeheatexchangersathighpressurewiththeadvantageofcompactspaceofheatexchangers.Thermalanalysisonthetwoprocessesofforcedconvectionandvaporizationtypeheattransferinthespiralwoundtubesandvaporcondensation/re-boilingtypeofheattransferviaintermediatefluidinshellsideshowsthefeasibilityofthispromisingtechnology.

  • 标签: 热流体 汽化器 缠绕管 管壳式换热器 气化过程 热交换管
  • 简介:Intermediate Mass Fragment Emission in Ar+Ag CollisionsIntermediateMassFragmentEmissioninAr+AgCollisions¥WuEnjiu;ZhengJiwen;W...

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  • 简介:Thesuccinylationofcornstarchbyslurryreactionhasbeenstudiedusingsodiumhydroxideascatalyst.SeveralreactionparametersafJectingthesuccinylationwereinvestigatedincludingtheconcentrationofstarchinwater,theratioofsuccinicanhydridetostarch,thereactiontimeandthereactiontemperature.Thefavorableconditionsforanintermediatedegreeofsubstitution(DS)andreasonablyhighreactionefficiency(RE)arepH8.5~9.0,50%starchbyweighttowater,succinicanhydridetostarchI/I(w/w),reactiontime4h,reactiontemperature30℃Undertheseconditions,theDSof0.45andREof28%wereachieved.Theadditionofanadequateamountofcrosslinkingagentimpartedstarchsuccinatewaterabsorbency.

  • 标签: 淀粉酶 琥珀酐 淀粉琥珀
  • 简介:Pinealapoplexyisarareclinicalpresentationofpinealparenchymaltumors.Wereportthecurativetreatmentofacaseofpinealparenchymaltumorofintermediatedifferentiationwithspontaneousapoplectichemorrhage.Thiscaseisshownthroughcomputedtomographyandmagneticresonanceimagingofthebrain,andisconfirmedviahistopathologicalstudies.Recurrentupwardgazeparesiswasobservedafterthestereotacticbiopsy.Theparesisrequiredanexpeditioustumorresection.Themechanismofthepinealapoplectichemorrhageremainsunclearalthoughithasbeenobservedindifferentpinealregionlesions.Clinicalandradiologicalevidenceofthecure5yearspost-surgeryisavailable.

  • 标签: 松果体 肿瘤 中风 分化 计算机断层扫描 临床表现
  • 简介:Inordertounderstandtherolesofmomentumdependentinteraction(MDI)onthenucleonemissionduetothecouplingbetweentheisospindependenceofthetwo-bodycollisionsandtheMDIwestudiedthefollowingvariations:△N_n(△σ,U_1~(sym))and△N_p(△σ,U_1~(sym))inthetimeevolutionprocesswiththeMDIandwithoutit(NOMDI).Quantitatively,wedefnine

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  • 简介:Intermediatefilamentsareoneofthekeycomponentsofthecytoskeletonineukaryoticcells,andtheirmechanicalpropertiesarefoundtobeequallyimportantforphysiologicalfunctionanddisease.Whilethemechanicalpropertiesofsinglefulllengthfilamentshavebeenstudied,howthemechanicalpropertiesofcrosslinksaffectthemechanicalpropertyoftheintermediatefilamentnetworkisnotwellunderstood.Thispaperappliesamesoscopicmodeloftheintermediatenetworkwithvariedcrosslinkstrengthstoinvestigateitsfailuremechanismundertheextrememechanicalloading.Itfindsthatrelativelyweakercrosslinksleadtoamoreflawtolerantintermediatefilamentnetworkthatisalso23%strongerthantheonewithstrongcrosslinks.Thesefindingssuggestthatthemechanicalpropertiesofinterfacialcomponentsarecriticalforbioinspireddesignswhichprovideintriguingmechanicalproperties.

  • 标签: 网络故障 机械性能 交联键 中间丝 机制 控制
  • 简介:轧了nanorods被磁控管劈啪作响和加氨系统综合,并且Tb中间的层的厚度被改变学习效果在上轧了nanorods。结果被扫描电子测试显微镜学(SEM),X光检查衍射(XRD),传播电子显微镜学(TEM),高分辨率的传播电子显微镜学(HRTEM),和光致发光(PL)系列。结果证明Tb层的厚度在形式,质量,和光性质上有明显的效果轧了nanorods。在房间温度的PL系列在368点显示出一座很强壮的排放山峰?nm和弱排出物在387点达到顶点?当Tb层是20时,为生产样品的山峰的nm,和紧张到达最大值?nm。最后,20的最佳的厚度?为综合的Tb中间的层的nm轧了nanostructures被完成。

  • 标签: GAN纳米棒 中间层 高分辨透射电子显微镜 厚度 TB 合成
  • 简介:Acetylcrosslinkedpolystyrene(EPS)andcrosslinkedbromoacetylpolystyrene(BEPS)beadsweresynthesizedbyFridel-Craftsacetylationofpolystyrene(PS)andbrominationofEPSrespectively.FTIR,XPS,andTG-TDGwereemployedtocharacterizetheirstructures.TheresultsrevealedtherearetwotypesofbromineintheBEPSmolecule.Oneisinthemainchainofpolystyreneandtheotherisintheacetyl.TheresultsofTG-DTGshowedthattheratesoflossweightofPS,EPS,andBEPSwere92.7%,92.2%,and81.3%amongthe300℃~500℃;7.3%,7.8%,and18.7%in594℃,660℃,and584.8℃,respectively.

  • 标签: 表征 聚合物 中间体 聚(p-溴乙酰苯乙烯) 二乙烯基苯 XPS
  • 简介:SpinsofFissionNucleiinIncompleteFusionReactionsInducedbyIntermediateEnergyHeavyIons¥LiuGuoxing;ChenKeliang;YuXianandDaiGuangx...

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  • 简介:WeinvestigatetheisospineffectofCoulombinteractiononthemomentumdissipationornuclearstoppingintheintermediateenergyheavyioncollisionsbyusingtheisospin-dependentquantummoleculardynamicsmodel.ThecalculatedresultsshowthattheCoulombinteractioninducesobviouslythereductionsofthemomentumdissipation.WealsofindthatthevariationamplitudeofmomentumdissipationinducedbytheCoulombinteractiondependssensitivelyontheformandstrengthofsymmetrypotential.However,theisospineffectofCoulombinteractiononthemomentumdissipationislessthanthatinducedbythein-mediumnucleon-nucleoncrosssection.Inthiscase,Coulombinteractiondoesnotchangeobviouslytheisospineffectofmomentumdissipationinducedbythein-mediumtwo-bodycollision.Inparticular,theCoulombinteractionispreferableforstandinguptheisospineffectofin-mediumnucleon-nucleoncrosssectiononthemomentumdissipationandreducingtheisospineffectofsymmetrypotentialonit,whichisimportantforobtainingthefeatureaboutthesensitivedependenceofmomentumdissipationonthein-mediumnucleon-nucleoncrosssectionandweaklyonthesymmetrypotential.

  • 标签: 同位旋效应 库仑相互作用 中能重离子碰撞 动量分布 量子分子动力学模型 重离子核物理