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230 个结果
  • 简介:Theaimofthisinvestigationistostudyhowtouseagravimetric(quasi)geoidforlevellingbyGPSdatainanoptimalway.TheadventofprecisegeodeticGPShasmadetheuseofatechniquepossible,whichmightbecalledGPS-gravimetricgeoiddetermination.Inthisapproach,GPSheightsabovethereferenceellipsoidaredeterminedforpointswhoselevelled(orthometric)heightHisabovesealevelpeoplehavealreadysurveyed;forthesepoints,wethushavethevaluesofthegeoidundulationN.ThesevaluesarethenusedtoconstrainthegeoidundulationsN′obtainedfromthegravimetricsolution.

  • 标签: 重力平面 GPS数据 吻合模型
  • 简介:AnewpelletinjectionsystemwasinstalledontheEASTtokamakandpreliminaryexperimentswereperformedduringthe2012runcampaign.TypicalphenomenaassociatedwithdeuteriumpelletinjectionintoaplasmadischargehavebeenobservedincludingsuddenincreasesoftheelectrondensityandHα/Dαemissionintensityaswellasasignificantdecreaseinplasmaelectrontemperature.ProfileshavebeenstudiedinordertounderstandtheinfluenceofpelletfuellingonEASTdischarges.Eventhoughtheinjectorwasspecificallydesignedforplasmafuelling,ELMtriggeringusingthepelletinjectionhasalsobeentested.InordertofindappropriateparametersfortriggeringELMsinH-modeplasmas,scanningofthepelletinjectionspeedwasemployedforpelletsinjectedfromboththehighfieldsideandlowfieldsideoftheplasmacolumn.Ithasbeenobservedthatlow-speedpelletsinjectedintoH-modeplasmafromthelow-fieldsidecouldtriggeranELMfollowedbyanumberofsmallerinducedELMsatabout300Hz.

  • 标签: 弹丸注入系统 EAST 实验 等离子体放电 H模式等离子体 注射速度
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  • 简介:让G是有最大的度Δ的一张外部平面图。让的X(G2)和λ(G)表示平方和L的色彩的数字(2,1)分别地把G的数字标记。在这篇论文,我们证明下列结果:(1)X(G2)=7如果Δ=6;(2)λ(G)≤Δ+5如果Δ≥4,并且λ(G)≤7如果Δ=3;并且(3)有有Δ=的外部平面图G4以便λ(G)=7。这些在距离上改进一些已知的结果二标记外部平面图。

  • 标签: 平面图表 曲线图 假设 应用数学
  • 简介:TheChina(Shenzhen)BusinessInvitationConventionforTouristScenicSpotsandHotels’94,agreatgatheringheldforthefirsttimebyChina’stouristtrade,achievedoutstandingresultswithatotalofUS$2.048billionintroduced.ThisbusinessinvitationconventionwashostedjointlybytheNationalTouristBureauandtheShenzhenMunicipalPeople’sGovernment,inwhichover2,000representativesof274touristunitsinthiscountry’s29provincesandcities

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  • 简介:Inthispaper,weprovethatthechordmethodandthemodifiedchordmethodarealsoconvergenttothesolutionx?ofF(x)=0ifthedimensionofthenullspaceofF’(x?)is>1.

  • 标签: SINGULAR POINTS CHORD method.
  • 简介:Let{W(t);t≥0}beastandardBrownianmotion.Forapositiveintegerm,defineaGaussianprocessXm(t)=(1/m!)∫^10(t-s)^mdW(s).Inthispapertheliminfbehavioroftheincrementsofthisprocessisdiscussedbyestablishingsomeprobabilityinequalities.Somepreviousresultsareextendedandimproved.

  • 标签: 布朗运动 下限行为 不等式概率 高斯定理
  • 简介:NearlyorthogonalLatinsquaresareusefulforconductingexperimentseliminatingheterogeneityintwodirectionsandusingdifferentinterventionseachateachlevel.Inthispaper,someconstructionsofmutuallynearlyorthogonalLatinsquaresareprovided.Itisprovedthatthereexist3MNOLS(2m)ifandonlyifm≥3ndthereexist4MNOLS(2m)ifandonlyifm≥4withsomepossibleexceptions.

  • 标签: 正交拉丁方 异质性
  • 简介:Byacoincidencetheorem,someexistencetheoremsofsolutionsareprovedforfourtypesofgeneralizedvectorequilibriumproblemswithmovingcones.Applicationstothegeneralizedsemi-infiniteprogramswiththegeneralizedvectorequilibriumconstraintsunderthemildconditionsarealsogiven.Theresultsofthispaperunifyandimprovethecorrespondingresultsinthepreviousliterature.

  • 标签: GENERALIZED VECTOR EQUILIBRIUM problem GENERALIZED SEMI-INFINITE
  • 简介:RESULTSOF HEPATECTOMYFOR600CASESWITHPRIMARYLIVERCANCERLiGuohui李国辉;LiJinqing李锦清;Zhangyaqi张亚奇;Yuanyunfei元云飞;ChenMinshan陈敏山;GuoR...

  • 标签: LIVER CANCER Hepatectomy.
  • 简介:M(J,{msns},{cs})bethecollectionofCartesianproductsoftwohomogenousMoransetswiththesameratios{cs}whereJ=[0,1]×[0,1].ThenthemaximalandminimalvaluesoftheHausdorffdimensionsfortheelementsinMareobtainedwithoutanyrestrictionon{msns}or{cs}.

  • 标签: 齐次MORAN集 笛卡尔积 尺寸 HAUSDORFF 笛卡尔乘积 最小值
  • 简介:在在Brookhaven国家实验室的相对论的重离子Collider(RHIC)的PHENIX和星实验在\(\sqrts\)正在运用极化的protonproton碰撞=200和500GeV。RHIC旋转物理节目的主要目标是获得更深的卓见进核子的旋转结构。我们将从RHIC给最近的旋转结果的概述,特别地,经由喷气/强子生产的gluon极化的学习和经由在纵的W波色子生产的海夸克极化极化了protonproton碰撞。

  • 标签: RHIC 自旋结构 核子 重离子对撞机 国家实验室 PHENIX