简介：设(M,T)是一个光滑闭流形上的对合,不动点集为F=RP(4)UP(4,2n-1),则它的每一个对合(M,T)必协边(RP(4)×RP(4),twist)和(P(4,2n),T')之一.

简介：在神龙1号直线感应加速器（LIA）束参数测量工作中，采用的同步触发系统主要是由延时同步机如DS310完成的，它虽然可以产生较大时间范围内的延迟，但由于其工作主频为100MHz，其延迟时间设置的步长则为10ns，加上时基自身的精度，能够获得的延迟精度不会高于10ns；而Ln的其他环节（主要是发散以前的环节，如偏置Marx）在动作时也存在一定量的抖动，经实际测量约20-30ns，这样就无法很精确地确定测量时刻，如图1所示。因此在要求准确了解测量时刻及具有时间分辨测量要求的研究中，这种触发方式就不能满足要求。

简介：Inthispaper,theauthorsobtaintheBaecklundtransformationontime-likesurfaceswithconstantmeancurvatureinR^2,1.Usingthistransformation,familiesofsurfaceswithconstantmeancurvaturefromknownonescanbeconstructed.

简介：有CuBr2和CdI2催化的公司的1-bromo-6-chlorohexane的Photopromotedcarbonylation在周围的条件下面被执行了。结果显示carbonylation在CuBr2的催化作用下面继续chloroesterClCH2(CH2)5COOCH3的主要产品。而且，carbonylation的活动能被基本添加剂的增加改进(NaOAc，Na3PO4或(n-C4H9)3N)。在这些添加剂之中，(n-C4H9)3N以ClCH2(CH2)5COOCH3的收益是最有效的。然而，代替BrCH2(CH2)5COOCH3的氯产品的methoxycarbonyl没面对CdI2被获得。这与monochloroalkane的carbonylation相当不同。

简介：

简介：让(u?弈吗？？

简介：Thescalinglawsofenergyconfinementareverysignificantforconfinementimprovement.AtypicalscalinglawofohmicheatingwithloweffectivechargeandradiationpowerisgivenbyGoldston

简介：Morelocalizedenergydepositionisabletobeproducedinantiproton-nucleuscollisionsincomparisonwithheavy-ioncollisionsduetoannihilationreactions.Searchingforthecoldquark-gluonplasma(QGP)withantiprotonbeamshasbeenconsideredasahottopicbothinexperimentsandinthereticalcalculationsoverthepastseveraldecades.Strangenessproductionandhypernucleusformationinantiproton-inducednuclearreactionsareimportanceinexploringthehyperon(antihyperon)-nucleon(HN)potentialandtheantinucleon-nucleoninteraction,whichhavebeenhottopicsintheforthcomingexperimentsatPANDAinGermany.

简介：Inthispaper,weresearchtheMntzrationalapproximationoftwokindsofspecialfunctionclasses,andgivethecorrespondingestimatesofapproximationratesoftheseclasses.

简介：Thecomplexbandstructuresofa1Danisotropicgraphenephotoniccrystalareinvestigated,andthedispersionrelationsareconfirmedusingthetransfermatrixmethodandsimulationofcommercialsoftware.Itisfoundthattheresultofusingeffectivemediumtheorycanfitthederiveddispersioncurvesinthelowwavevector.Transmission,absorption,andreflectionatobliqueincidentanglesarestudiedforthestructure,respectively.Omni-gapsexistforanglesashighas80°fortwopolarizations.Physicalmechanismsofthetunabledispersionandtransmissionareexplainedbythepermittivityofgrapheneandtheeffectivepermittivityofthemultilayerstructure.

简介：Therearemanyacceleratingconvergencefactors(ACFs)forlimitperiodiccontinuedfractionK(an/1)(an→a≠0).Inthispaper,somecharacteristicsandcomparativetheoremsareobtainedonACFs.TworesultsaregivenformostfrequentlyusedACFs.

简介：作者首先给定义微弱地堕落(K1，K2)用外面的力量和外面的微分形式的技术的-quasiregular地图砰，然后，用McShane扩展的方法，有用不平等被获得，它能被用来导出自我改进的整齐。

简介：我们比较二条双性人标准政策，和的最佳的作业费，N>，为排队的M/G/1有第二种可选的服务的系统，在哪个假期时期的长度也被到达的数字随机在闲散时期期间或由一个定时器控制。在所有顾客用尽一切地在队列被为服务以后，服务者立即度假并且可以操作政策或政策。为二条双性人标准政策，全部的平均成本功能每统一时间被开发寻找至少花费的最佳的静止经营方针。为联合最佳起点值在最佳的费用之上基于明确的形式(p，T)并且(p，N)被获得。

简介：Inthispaper,theL1-normestimatorsandtherandomweightedstatisticforasemiparametricregressionmodelareconstructed,thestrongconvergenceratesofestimatorsareobtainundercertainconditions,thestrongefficiencyoftherandomweightingmethodisshown.AsimulationstudyisconductedtocomparetheL1-normestimatorwiththeleastsquareestimatorintermofapproximateaccuracy,andsimulationresultsaregivenforcomparisonbetweentherandomweightingmethodandnormalapproximationmethod.

简介：Inthispaperwewillshowthatifanapproximationprocess{Ln}n∈Nisshapepreservingrelativetotheconeofallk-timesdifferentiablefunctionswithnon-negativek-thderivativeon[0,1],andtheoperatorsLnareassumedtobeoffiniterankn,thentheorderofconvergenceofDkLnftoDkfcannotbebetterthann2evenforthefunctionsxk,xk+1,xk+2onanysubsetof[0,1]withpositivemeasure.Takingintoaccountthisfact,wewillbeabletofindsomeasymptoticestimatesoflinearrelativen-widthofsetsofdifferentiablefunctionsinthespaceLp[0,1],p∈N.

简介：<正>LetD={z∈:|z|<1}andφbeanormalfunctionon[0,1).Forp∈(0,1)suchafunctionφisusedtodefineaBergmanspaceA~p(φ)onDwithweightφ~p(|·|)/(1-|·|~2).Inthispaper,thedualspaceofA~p(φ)isgiven,fourcharacteristicsofCarlesonmeasureonA~p(φ)areobtained.Moreover,asanapplication,threesequenceinterpolationtheoremsinA~p(φ)arederived.

简介：Weinvestigateanewclassofperiodicsolutionsto(2+1)-dimensionalKdVequations,byboththelinearsuperpositionapproachandthemappingdeformationmethod.Thesenewperiodicsolutionsaresuitablecombinationsoftheperiodicsolutionstothe(2+1)-dimensionalKdVequationsobtainedbymeansoftheJacobianellipticfunctionmethod,buttheypossessdifferentperiodsandvelocities.

简介：

简介：考虑策略工作休假M／M／1排队，简记为M／M／1（N-WV）。在休假期间，服务员并未完全停止工作而是以较低的速率为顾客服务。用拟生灭过程和矩阵几何解方法，我们给出了有直观概率意义的稳态队长和稳态条件等待时间的分布。此外，我们也得到了队长和等待时间的条件随机分解结构及附加队长和附加延迟的分布。

简介：In2014,researchersinthehighenergynuclearphysicsgroupatIMPhavecarriedouttheirresearchworkonhadronphysics.Severalinterestingresultswereobtainedandpublished.Themesonandbaryonexcitedstateshavebeenstudiedinalargenumberofformationandproductionexperiments.Thestudyofmesonresonancesandthesearchforglueballs,hybrids,andmultiquarkstateshaveremainedanactiveandinterestingfieldofhadronphysics,whileforbaryons,theinvestigationofthebaryonspectrumandthebaryoncouplingsfromexperimentaldataarealsothemostimportantissuesinhadronicphysicsandtheyareattractingmuchattention.StudyinghadronresonancesiscrucialtounderstanddeeplytheQCDtheoryatnonperturbativeenergyregion,anditisalsoimportantfornuclearphysicsandparticlephysics.