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32 个结果
  • 简介:Floorplan,clocknetworkandpowerplanarecrucialstepsindeepsub-micronsystem-on-chipdesign.Anoveldi-agonalfloorplanisintegratedtoenhancethedatasharingbetweendifferentcoresinsystem-on-chip.Customclocknetworkcon-taininghand-adjustedbuffersandvariableroutingrulesisconstructedtorealizebalancedsynchronization.EffectivepowerplanconsideringbothIRdropandelectromigrationachieveshighutilizationandmaintainspowerintegrityinourMediaSoC.Usingsuchmethods,deepsub-microndesignchallengesaremanagedunderafastprototypingmethodology,whichgreatlyshortensthedesigncycle.

  • 标签: 片上多处理器系统 物理设计方法 平面布置图 快速原型制作
  • 简介:AdeuteronpossessesacoulombpotentialbarrierwithmaximumUmax≈10^6eV(atro=1.51×10^-13cm)aroundhim.Soprerequisitetodirectcollideandexcitenuclearfusionreactionfortwodeuteronsistopenetratetoallofoppositebarrier.

  • 标签: 冷核聚变 基础物理学 电子屏蔽系数 氘核
  • 简介:Theprecipitationefficiencyanditsrelationshiptophysicalfactorsareexaminedbyanalyzingatwo-dimensionalcloud-resolvingmodelsimulationduringTOGACOAREinthisstudy.Thebasicphysicalfactorsincludeconvectiveavailablepotentialenergy,water–vaporconvergence,verticalwindshear,cloudratio,seasurfacetemperature,airtemperature,andprecipitablewater.Precipitationefficienciesdonotshowacloserelationshiptoairtemperaturenortoseasurfacetemperaturenortoprecipitablewater.Theprecipitationefficiencyincreasesasthewater–vaporconvergencerateincreasesandverticalwindshearweakens,whereasitdecreasesastheconvectiveavailablepotentialenergydissipatesandanvilcloudsdevelop.

  • 标签: 物理因素 降水效率 对流有效位能 垂直风切变 沉淀效率 空气温度
  • 简介:Schr的准确解决方案?相应于一个baryonic系统的dinger方程是对现在的工作的主要兴趣。我们考虑二次并且在潜在的关系的库仑术语。下次,在介绍一个准确答案以后,我们在地面和激动的状态计算了旋转和isospin效果。结果与试验性的数据是可比较的。

  • 标签: 重子谱 物理方法 同位旋效应 实验数据 精确解 激发态
  • 简介:Usingfirst-principlescalculations,thecontactbetweenthescandium(Sc)andsemiconductingcarbonnanotube(CNT)isinvestigated.Thisisoneofthebestqualityofn-typecontacts.Twojunctionmodelswith(8,0)CNTonlow-indexScsurfacesareconstructedtoelucidatethestructuralandelectronicpropertiesofSc/CNTjunctions.AnalysesbasedondensityofstatesandchargedifferencerevealthatstrongchemicalbondsareformedbetweenScandCatomsduetohybridstatesofSc3dstateandC2πstate.WithrespecttoTi(0001)/CNTjunction,wefindthedipolelayerformedattheinterfaceofSc(0001)/CNTiscomparablewiththatofTi(0001)/CNTbutgivesanegativebarrierattheinterface.ThisindicatesthattheexcellentcontactpropertiesofScmetalelectrodearecausedbyitslowworkfunctionandexcellentbindingwithCNT.

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  • 简介:ThisnotedescribestheconstructionofhardwareandsoftwareoftheBESPC-FARMandBESofflinedataanalysisenvironmentinLinuxplatform.ThejobmanagementpackagesNQSisdescribed.TheperformanceoftheBESPCFARMalsobepresented.

  • 标签: 软件开发 BES 物理分析环境
  • 简介:Theprocessofhighpowerlaserinteractionwiththelargescalelengthcoronaplasmaproducedbytheleadingedgeofthelaserpulsehasbeeninvestigated.Earlyexperimentalresultsarere-analyzedandconclusionsdrawn.Inparticular,studiesofthecloseconnectionofunstablefilamentationinstabilitywith–mainly–two-plasmondecayand–partly–stimulatedRamanscattering,stimulatedBrillouinscattering,andresonanceabsorptionarecarriedoutinthispaper.Thepositiveandnegativeeffectsoffilamentationinstabilityarealsodiscussed.

  • 标签: instability UNSTABLE FILAMENTS FIGURE BRILLOUIN heating
  • 简介:Recentstudiesofthemodulationofphysicalpropertiesinoxidethinfilmsbymultiplefieldsarereviewed.Someofthekeyissuesandprospectsofthisareaofstudyarealsoaddressed.Oxidethinfilmsexhibitversatilephysicalpropertiessuchasmagnetism,ferroelectricity,piezoelectricity,metal–insulatortransition(MIT),multiferroicity,colossalmagnetoresistivity,switchableresistivity.Moreimportantly,theexhibitedmultifunctionalitycanbetunedbyvariousexternalfields,whichhasenableddemonstrationofnovelelectronicdevices.

  • 标签: 氧化物薄膜 物理性质 调制 金属绝缘体转变 巨磁电阻 多功能性
  • 简介:Wehaveinvestigatedthephysicalproperties,includingthemorphology,texture,adhesionandchemicalquality,ofhigh-frequencychemicalvapourdepositeddiamondcoatingsonWC-6%Cosubstrates,whichwerepre-treatedbyatwo-stepetchingmethod.TheresultsindicatethattheincreasingCocontentfrom0.12to3.05%withintheetchingdepthof5μmcausedamorphologytransformationfromprismdiamondtospheruliticdiamond,andatexturetransformationfroma{111}orientationtoa{110}orientation.TheRamanspectrumshowsthatthespheruliticdiamondfilmcontainsmorenon-diamondphases(graphite,amorphouscarbonanddiamond-likecarbon,etc)andhaslowerchemicalqualitythandiamondfilmsonaWC-6%Cosubstrate.Thediamondcoatinggrainsizesbecameaboutfourtimessmallerwhenthedepositiontemperaturesonthesubstratesurfacewerereducedfrom1000to900℃.Comparedwithspheruliticdiamondfilms,theprismdiamondfilmsexhibitbetteradhesionontheWC-6%Cosubstrate.

  • 标签: 金刚石 化学汽相淀积 金刚石薄膜
  • 简介:ThephysicalandchemicalpropertiesofFFA-1ionexchangefiberhavebeencharacterizedwithIRspectrum,thermalanalysisandSEMmeans.ThepHtitrationcurve,swellingrate,mechanicalproperties,resistancedropoffilterlayeraswellasthedynamicadsorptionforSO2wasdetermined.TheseexperimentsprovidedtheessentialparametersforthepracticalapplicationofFFA-1materialinadsorptionoftoxicgases.

  • 标签: 吸附作用 二氧化硫气体 物理化学性质 FFA-1离子交换纤维
  • 简介:这份报纸发源维的分析的讨论并且在有磁力地帮助的使流体化的床上可伸缩。进程变量的基本检查,合并机械、磁性的单位,允许变量的混合集合的变换直到作为贡献帮助使液化行为的领域的效果代表表面力量的统一术语。自从新变量都是由三个基本领域产生的典型压力,这转变被称为压力变换:严肃,磁性并且液体流动。这条途径以无尺寸的组而非对古典维的分析恰当的正式代数学的操作探讨物理基础。基本的无尺寸的组称为小粒的磁性的邦德数字作为严肃并且磁场的典型压力的比率被介绍。这分析也提供描绘磁场的一套命名无尺寸的数字帮助使液化象Filippov数字,Rosensweig数字,Kwauk数字和Siegell数字那样,作为典型压力的比率发源。

  • 标签: 磁场辅助 流态化 二维分析 键数
  • 简介:MethodofVSC(VoltageShortedCompaction)canbeusedtodeterminetheintrinsictemperaturedependenceofconductivityofpolycrystallinecompaction.TheexperimentalconditionsandtechnicalkeyforpreparationofVSCdeviceanditsphysicalmodelaswellasitsapplicationsinconductingpolymersarediscussedindetail.

  • 标签: silver PASTE terminals Probe INTRINSIC COMPACTION
  • 简介:Graphene,definedasasingleatomicplaneofgraphite,isasemimetalwithasmalloverlapbetweenthevalenceandconductionbands.Thestackingofgrapheneuptoseveralatomiclayerscanleadtodiversephysicalproperties,dependingonthestackingmethod.Bilayergrapheneisalsoasemimetal,adoptingtheAB-stacked(orBernal-stacked)structureortherareAA-stackedstructure.Trilayerorfew-layergraphene(FLG)canbesemimetalsorsemiconductors,dependingonwhethertheyadoptBernal(ABA)stackingorrhoinbohedral(ABC)stacking.

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