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简介：Step-edge-inducednucleationplaysakeyroleincontrollingthegrowthofnovelnanostructuresandlow-dimensionalmaterials.However,itisdifficulttoexperimentallydeterminethestepedgestructuresofcomplexmetaloxides.Inthiswork,wepresentadetailedtheoreticalstudyofthestabilityofstoichiometTicstepsonsapphire(OOOl).Basedonfirst-principlescalculationsandexcesschargecomputationbyFinnis1approach,apairofnon-polarstepedgesaredeterminedtobethemoststable.BystudyingtheadsorptioncharacteristicsofZnOandcombiningpreviousworks,wesuccessfullyexplainedhowgrowthtemperatureanddepositionrateaffectthein-planeorientationofZnOgrownonsapphire(OOOl).Theknowledgeonthestepedgestructuresandnucleationpatternswouldbenefitthestudyonstep-edge-guidednanostructuregrowth.

简介：Ⅰ.RestrictionandAnalysisofDeathPenaltyinExistingSubstantiveLawinChinaInthenormativecriminallaw,thepersonaldangerousnessisthepossibilityoftheactortocommitacrimeagain.Beforethepersonaldangerousnessastheunaccomplishedcrimedoesnotbecomeaconsensusconcepttoentertheviewofthepublicscholars,howdoesitfitwiththecontrolofdeathpenaltyinourexistingsubstantivelaw?

简介：Companiesthatnotonlyabidebyenvironmentalregulations,butalsodiscovernewtechniquesandadoptnewmanagementmethodstoreducenegativeenvironmentalimpactsoftenhavepositiveeffectsoncorporateprofitability.Inordertomeettheneedsofsustainabilityofenterprisesandprotectenvironment,theconceptofgreenmanagementisdevelopedandregardedasanimportantdirectionofmanagementtheoryofthe21stcentury.Thoughtherearemanytheoriesandpracticesaboutgreenmanagementinwesterncountries,theyarebuiltbasedonthedevelopedmarketeconomy,whicharenotsuitableforChineseenterprisesabsolutely.Byanalyzingtheviewpointsandmodelsoftheoverseasanddomesticexpertsandscholars,combiningcharacteristicofChina’smarketeconomy,thispaperpointsouttherealconnotationofenterprisegreenmanagement-thecombinationofecologicalharmony(harmonybetweenhumanandnature)withhumanharmony(harmonyamongpeople),establishesa3Dtheoreticalmodel,pointsoutthedefectsofenterprise’sgreenmanagementinChina,reanalyzesandredesignedenterprisegreenmanagement,whichpavesthewayforthedeeperandbroaderdevelopmentofgreenmanagement.

简介：Theadaptiveoptics(AO)technologywithoutawave-frontsensorissimpleandhasmoreapplicationfieldsthanconventionalAOtechnologies.ThetheorybasisoftheAOsystembasedonstochasticparallelgradientdescent(SPGD)fromtheconvergence,thestability,andtheaveragedconvergencerateisanalyzed,whereSPGDisusedtocontroltheAOsystem.TheresultsshowthattheAOsystembasedonSPGDcanobtaingoodconvergenceandstability,andthefastconvergencerate,whichisininverseproportionton(nisthenumberofcontrolparameters).

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简介：Asimplemodelofchromatographicmechanicalmechanismispresent,andthenascricsoftheoreticalchromatographicequationsandfundamentalFormulaearederived.Thesetheoreticalequationsandformulaenotonlyreservethermodynamiccharacteristicsinthecurrentfundamentalchromatographicformulae,butalsointroduceoneormorekineticparameter,soitispossibletomakethemacroscopic-controlontheeffectofkineticcharacteristicsonchromatographicsystem.

简介：为自我类似的集合的Hausdorff措施的计算的一个理论框架令人满意的振荡被建立了。

简介：TheadsorptionanddiffusionofNatomsonthethreelow-indexCuplaneswerestudiedusing5-parameterMorsepotential(5-MP)method,andthebesttheory-experimentagreementwasobtained.NatomsofCu(100)surfacesitonthefourfoldhollowsitewiththeverticalheightof0.018nmcloselycoplanarwiththetopmostcopperlayer,andthefourCu-Nbondlengthsare0.182nmandthefifthCu-Ndistanceis0.199nm.ForCu(111)system,theexistenceofaberrantCu(100)reconstructedstructureisapprovedathighercoverage,andatlowcoveragethestructureisalmostanidealCu(111)surfacestructure.WithrespecttoCu(110)system,theNatomsareadsorbedatLBandH3sites,notatSBsite.ThediffusionpassageanddiffusionbarrierofadsorbedNatomswerealsostudied.

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简介：Faultparametersareimportantinearthquakehazardanalysis.Inthispaper,theoreticalrelationshipsbetweenmomentmagnitudeandfaultparametersincludingsubsurfacerupturelength,downdiprupturewidth,rupturearea,andaverageslipoverthefaultsurfacearededucedbasedonseismologicaltheory.Thesetheoreticalrelationshipsarefurthersimplifiedbyapplyingsimilarityconditionsandanuniqueformisestablished.Then,combiningthcsimplifiedtheoreticalrelationshipsbetweenmomentmagnitudeandfaultparameterswithseismicsourcedataselectedinthisstudy,apracticalsemi-empiricalrelationshipisestablished.Theseismicsourcedataselectedisalsotousedtoderiveempiricalrelationshipsbetweenmomentmagnitudeandfaultparametersbytheordinaryleastsquareregressionmethod.Comparisonsbetweensemi-empiricalrelationshipsandempiricalrelationshipsshowthattheformerdepictdistributiontrendsofdatabetterthanthelatter.Itisalsoobservedthatdowndiprupturewidthsofstrikeslipfaultsaresaturatedwhenmomentmagnitudeismorethan7.0,butdowndiprupturewidthsofdipslipfaultsarenotsaturatedinthemomentmagnituderangesofthisstudy.

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简介：Thispaperpresentsdetailedtheoreticalstudyonthetheoryofwavepropagationalongthecoaxialwaveguidefilledwithmovingmagnetizedplasma(CWMMP).MakinguseoftheLorentztransformationandtheconstitutivetransformation,Maxwell'sequationsleadtothecouplednon-homogeneousdifferentialequationswhichgovernthewavepropagationinCWMMP,andthenanalyticalsolutionshavebeenobtained.Thediscussionabouttheeigenvaluesofthewavesanddetailedstudiesonthefieldsarecarriedout.ItfindsthatthefieldsoftheCWMMParecomposedoftwopartswithdifferenteigenvalues.NumericalcalculationsshowthatbecauseofDopplershifteffect,theeigenvaluesofthemodesinsuchacaseisquitedifferentfromthoseoftheCWMMP.AndadetaileddiscussiononthedispersioncharacteristicofCWMMPispresented.

简介：Waveforcesactingontheoffshorestructureareofimportanceforthestructuredesignpointofview.Thereisasocalled'TwoTensionLegBuoyMooringSystem'designedtoopenuptheoilfieldinSouthChinaSea.Twobasesofthesystemaresittingontheseafloorof30-40metersdepthofwater.Inordertoconfirmthesafetyofthissystem,waveforcesareinvestigatedexperimentallyandnumerically.Nowadays,themeasuredmaterialsonthissubjectarescarce.InthemodeltestofDr.Chakrabarti,thetestset-upnecessitatedasmalluniformgapbe-tweenthemodelandtankfloor,andthecorrectresultsmustbecomefromanadjustment.Theauthorshavesolvedtheproblem.Inthepaper,twonumericalmethodsareadopted:3-Dboundaryintegralequationmethod)eigen-functionexpressionandmatchingmethod.TheformerconsistsofdistributionofHaskindGreen’functiononthebodysurface.Thelatter,however,bydividingthewholefluiddomainintosubregions,thevelocitypotentialforeachsubregionscanbedetermineduniquelybymatchingthevelocitypotentialontheircommonboundaries,whichwasexpressedformallybyitseigenfunctionexpansion.Asanexample,experimentalandnumericalresultsweregivenforacircularbaseinshallowsea.Theyagreequitewell.Althoughbothmethodsareeffective,thematchingmethodhasmoreefficiency.

简介：Inusingrisk-informedapproachesforensuringsafetyofoperatingNPPs(nuclearpowerplants),riskimportancemeasuresobtainedfromPRAs(probabilisticriskassessments)oftheplantsareintegralelementsofconsiderationinmanycases.InPSAmodelsandapplicationsassociatedwithNPPstheriskimportanceofaparticularfeature(e.g.function,system,component,failuremodeoroperatoraction)canbe,mostgenerally,dividedintotwocategories:importancewithrespecttoriskincreasepotentialandimportancewithrespecttoriskdecreasepotential.Therepresentativeofthefirstcategory,asusedforpracticalpurposes,isRAW(riskachievementworth).Representativeofthesecondcategory,asmentionedinconsiderationofriskimportance,isRRW(riskreductionworth).Itcanbeshownthatthetworiskimportancemeasures,RAWandRRW,aredependentoneachother.Theonlyparameterinthismutualdependencyisprobabilityoffailureoftheconsideredfeature.ThepaperdiscussestherelationbetweenRAWandRRWandsomeofitsimplications,includingthoseonthegeneralstrategiesforthereductionofriskimposedfortheoperationoftheconsideredfacility.Twogeneralriskreductionstrategieswhichareconsideredinthediscussionare:a)riskreductionbydecreasingthefailureprobabilityoftheconsideredfeature;andb)riskreductionwhilekeepingthefailureprobabilityoftheconsideredfeatureatthesamelevel.Simpleexamplesareprovidedtoillustratethedifferencesbetweentwostrategiesandpointtomainissuesandconclusions.

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简介：Electromechanicalpropertyofap-typesingle-crystalsiliconnanoplateismodelledbyamicroscopicapproachwheretheholequantizationeffectandthespin-orbitcouplingeffectaretakenintoaccount.Thevisibleanisotropicsubbandstructuresarecalculatedbysolvingself-consistentlythestress-dependent6×6k·pSchrdingerequationwiththePoissonequation.Thestrongmixingamongheavy,light,andsplit-offholesisquantitativelyassessed.Theinfluencesofthethicknessandthetemperatureonthepiezoresistivecoefficientarequantitativelyinvestigatedbyusingtheholeconcentrationsandtheeffectivemassesfromthecomplexdispersionstructureofthevalencebandwithandwithoutstresses.Ourresultsshowthatthestressdeterminestheextenttowhichthebandismixed.Theholequantizationeffectincreasesasthethicknessdecreases,andthereforethevalencebandisstronglyreshaped,resultinginthesize-dependentpiezoresistivityofthesiliconnanoplate.Thepiezoresistivecoefficientincreasesalmost4timesasthethicknessreducesfromthebulkto3nm,exhibitingapromisingapplicationinmechanicalsensors.

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