简介：Inthispaperthebifurcationsolutionbranchesofasemi-linearellipticproblemarestudied,anditsextendedsystemsareconstructed.

简介：AclassoffunctionscalledquasiB,-invexandpseudoB,-invexfunctionsareintroducedbyusingtheconceptofsymmetricgradient.TheexamplesofquasiB,-invexandpseudoB,-invexfunctionsaregiven.ThesufficientoptimalityconditionsandMond-Weirtypedualityresultsareobtainedforanondifferentioblenonlinearsemi-infiniteprogrammingprobleminvolvingquasiB,-invexandpseudoB,-invexfunctions.

简介：由于胭脂波浪的物理机制的复杂性，rogue-wavestructure相互作用问题的理论学习仍然取得很少进步。为常规形状的结构，然而，给理论分析是可能的，如果流氓波浪的一个相对简单的模型被使用。波浪负担，由作为胭脂波浪的一个直觉的基本模型被知道的一个集中的波浪导致了，在沉没半的柱体之上被学习经分解。集中的波浪由高斯信封波浪是近似的，包含流氓波浪的大多数特征的一个理想的模型。衍射速度潜力通过水平力量的流动地，和公式的分离被导出，弯曲时刻被建议。导出的公式适当地被简化，并且对数字结果通过比较验证了。另外，参数的影响集中的沉没深度和波浪例如集中的度，放，彻底地被调查。

简介：数据安全为云计算是领先的担心和主要挑战之一。这个问题与云计算的发展正在变得越来越严肃。然而，存在保存隐私的数据分享技术也没能阻止隐私的漏或招致信息损失的巨大的数量。在这份报纸，我们建议一种新奇技术，作为基于连接的匿名模型称为，它与有一种尺寸的伪标识符组(QI组)一起完成K匿名不到K。同时，半同质的归纳被介绍对同质的归纳招致的攻击。为了实现基于连接的anonymization，当模特儿，我们建议一个简单还有效的启发式的本地人重新代码方法。真实数据集的广泛的实验也被进行证明实用程序被我们的途径显著地与最先进的方法相比改进了。

简介：Adualisolationproblemforrotatingmachinesconsistsofisolationofhousingstructuresfromthemachinevibrationsandprotectionofmachinesduringanearthquaketomaintaintheirfunctionality.Desirablecharacteristicsofmachinemountsfortheabovetwopurposescandiffersignificantlyduetodifferenceinnatureoftheexcitationandperformancecriteriainthetwosituations.Inthispaper,relevantresponsequantitiesareidentifiedthatmaybeusedtoquantifyperformanccandsimplifiedmodelsofrotatingmachinesarepresentedusingwhichtheserelevantresponsequantitiesmaybecalculated.Usingrandomvibrationapproachwithastationaryexcitation,itisshownthatsignificantimprovementinseismicperformanceisachievablebypropermountdesign.Resultsofshakingtableexperimentsperformedwitharealisticsetupusingacentrifugalpumparepresented.Itisconcludedthatasolutiontothisdualisolationproblemliesinasemi-active.mountcapableofswitchingitspropertiesfrom‘operation-optimum'to‘seismic-optimum'attheomsetofaseismicevent.

简介：Thispaperpresentsaclosed-formsolutionfordiffractionofplaneSHwavesbyasemi-circularcavityinhalf-spacebyusingwavefunctionexpansionmethod.Accuracyofthesolutionischeckedbythedisplacementresidualandstressresidualalongtheboundaries.Numericalresultsshowthattherearenotabledifferencesforresponseamplitudesbetweenasemi-circularcavityandawhole-circularcavityinahalf-space.

简介：在这份报纸，我们学习可矫正的水流由subgradient(subdifferential)带了的整数复合一个n维的凸的领域上的半凸的功能的图，和表演关于为如此的水流的pointwise集中的一条弱连续性定理。作为应用，为半凸的功能的Lagrangian水流的结构定理被给，k麻袋布措施以水流由一个不同方法是计算的。

简介：Aclassofconstrainedsemiinfiniteminimaxproblemistransformedintoasimpleconstrainedproblem,bymeansofdiscretizationdecoraposirionandmaximumentropymethod,makinguseofsurrogateconstraint,ThepaperdealswiththeconvergenceofthisasymptoticaI-proachmethod.

简介：Toeffectivelyreducethedamagetopeopleanddevicesincivildefenseengineeringsubjectedtoblastshock,ablastshockisolationsystemwithmagnetorheologicalfluiddampers(MRFD)isproposed.MRFDcanprovidecontinuouslyadjustableCoulombfrictionandhasmanyadvantagesforsemi-activecontrol.NumericalsimulationofthisisolationsystemisfinishedusingMatlabsimulinktoolbox.Generalsemi-activecontrolalgorithmsareconsidedbasedoninstantaneousoptimalactivecontrolalgorithm.Andtheresultsindicatethattheshockisolationsystemcanworkefficiently,decreasingabout93%ofthepeakaccelerationoftheisolationfloor.

简介：Inthispaper,wepresentanefficientapproachforunsupervisedsegmentationofnaturalandtexturalimagesbasedontheextractionofimagefeaturesandafastactivecontoursegmentationmodel.Weaddresstheproblemoftextureswhereneitherthegray-levelinformationnortheboundaryinformationisadequateforobjectextraction.Thisisoftenthecaseofnaturalimagescomposedofbothhomogeneousandtexturedregions.Becausetheseimagescannotbeingeneraldirectlyprocessedbythegray-levelinformation,weproposeanewtexturedescriptorwhichintrinsicallydefinesthegeometryoftexturesusingsemi-localimageinformationandtoolsfromdifferentialgeometry.Then,weusethepopularKullback-Leiblerdistancetodesignanactivecontourmodelwhichdistinguishesthebackgroundandtexturesofinterest.Theexistenceofaminimizingsolutiontotheproposedsegmentationmodelisproven.Finally,atexturesegmentationalgorithmbasedontheSplit-Bregmanmethodisintroducedtoextractmeaningfulobjectsinafastway.Promisingsyntheticandreal-worldresultsforgray-scaleandcolorimagesarepresented.

简介：

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

简介：Theimpulsivesolutionforasemi-linearsingularlyperturbeddifferential-differenceequationisstudied.Usingthemethodsofboundaryfunctionandfractionalsteps,weconstructtheformulaasymptoticexpansionoftheproblem.Atthesametime,Basedonsewingtechniques,theexistenceofthesmoothimpulsivesolutionandtheuniformvalidityoftheasymptoticexpansionareproved.

简介：Inthispaper,thebasicequationsgoverningtheflowandheattransferofanincompressibleviscousandelectricallyconductingfluidpastasemi-infiniteverticalpermeableplateintheformofpartialdifferentialequationsarereducedtoasetofnon-linearordinarydifferentialequationsbyapplyingasuitablesimilaritytransformation.Approximatesolutionsofthetransformedequationsareobtainedbyemployingtheperturbationmethodfortwocases,i.e.,smallandlargevaluesofthesuctionparameter.Fromthenumericalevaluationsofthesolution,itcanbeseenthatthevelocityfieldatanypointdecreasesasthevaluesofthemagneticandsuctionparametersincrease.Theeffectofthemagneticparameteristoincreasethethermalboundarylayer.Itisalsofoundthatthevelocityandtemperaturefieldsdecreasewiththeincreaseinthesinkparameter.

简介：摘要：随着半导体技术的飞速发展，SEMI标准在半导体制造设备中的应用越来越广泛。本文详细介绍了SEMI标准的基本概念、发展历程以及在半导体制造设备中的具体应用。通过对SEMI标准在材料、设备、测试及安全等方面的深入剖析，阐述了SEMI标准对于提高半导体制造效率、保证产品质量以及确保生产安全的重要性。文章还探讨了SEMI标准在半导体产业发展中的未来趋势，以及中国半导体产业应如何更好地利用SEMI标准来提升自身竞争力。

简介：

简介：Runge-Kuttamethodiswidelyappliedtosolvetheinitialvalueproblemofordinarydifferentialequations.TheimplicitRunge-Kuttawithbetternumericalstabilityforthenumericalintegrationofstiffdifferentialsystems,buttheformulatehastraditionallybeenonsolvingthenonlinearequationsresultingfromamodifiedNewtoniterationineverytime.Semi-implicitformulatehavethemajorcomputationallyadvantagethatitisnecessarytosolveonlylinearsystemsofalgebraicequationstofindtheKa.

简介：分算法(静止或非静止)是在小浪的最活跃、令人激动的研究话题之一分析和应用数学理论。处于多维的非静止的状况，它的限制功能简洁地两个都被支持并且无穷地可辨。另外，这些限制功能能用作可伸缩的功能产生多维非静止直角或biorthogonalsemi-multiresolution分析(Semi-MRAs)。光谱多维的nonstationarybiorthogonalSemi-MRAs的近似性质在这篇论文被考虑。基于放大函数的nonstationary分计划和它的限制，多维的nonstationarybiorthogonalSemi-MRAs有，这被显示出光谱在Sobolev空格H的近似顺序r[s](R[d])，为所有rs0。[从作者抽象]

简介：

简介：Inthispaperweproposeaspectralelement:vanishingviscosity(SEW)methodfortheconservationlawsonthesemi-infiniteinterval.Byusingasuitablemapping,theproblemisfirsttransformedintoamodifiedconservationlawinaboundedinterval,thenthewell-knownspectralvanishingviscositytechniqueisgeneralizedtothemulti-domaincaseinordertoapproximatethistrarsformedequationmoreefficiently.Theconstructiondetailsandconvergenceanalysisarepresented.Underausualassumptionofboundednessoftheapproximationsolutions,itisproventhatthesolutionoftheSEWapproximationconvergestotheuniciueentropysolutionoftheconservationlaws.Anumberofnumericaltestsiscarriedouttoconfirmthetheoreticalresults.