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简介：Thispaperfirstdevelopstheapproachestodeterminethegeopotentialofthelocalmeansealevel,andtheninvestigatestheoffsetofthe1985verticaldatumsurfacedefinedbythemeansealevelofYellowSeaattheDagangTideGaugeinQingdaocityusingthedevelopedapproachesandGPS/levelingdata.Itshowsthatthegeopotentialofthelocalmeansealevelatthetidegaugeisequalto62636853.5±0.2m2*s-2andthatthe1985verticaldatumsurfaceis24.6±5.4cmabovethegeoidrealizedbythegeopotentialW0=62636856.0±0.5m2*s-2.

简介：Inthispaper,weintroduceaconditionweakerthantheLpdifferentiability,whichwecallCpcondition.Weprovethatifafunctionsatisfiesthisconditionatapoint,thenthereexiststhebestlocalapproximationatthatpoint.WealsogiveanecessaryandsufficientconditionforthatafunctionbeLpdifferentiable.Inaddition,westudytheconvexityofthesetofclusterpointsofthenetofbestappoximationsoff,{Pe(f)}ase→0.

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简介：Inthispaper,weapplythecontractionmappingtheoremtoestablishsomeboundedandunboundedadditiveperturbationtheoremsconcerninglocalC-semigroups.SomegrowthconditionsofperturbationsoflocalC-semigroupsarealsoestablished.

简介：<正>Inthispaper,undertheLorenzgauge,theglobalexistence,localdissipativityandat-tractorsoftheevolutionarysuperconductivityproblemwhichisaparabolic-hyperbolicsystemareobtained.

简介：Effectsofdepositionlayerpositionandnumber/densityonlocalbendingofathinfilmaresystematicallyinvestigated.Becausethedepositionlayerinteractswiththethinfilmattheinterfaceandthereisanoffsetbetweenthethinfilmneutralsurfaceandtheinterface,thedepositionlayergeneratesnotonlyaxialstressbutalsobendingmoment.Thebendingmomentinducesaninstantout-of-planedeflectionofthethinfilm,whichmayormaynotcausethesocalledlocalbending.Thedepositionlayerismodeledasalocalstressor,whoselocationanddensityaredemonstratedtobevitaltotheoccurrenceoflocalbending.Thethinfilmrestsonaviscouslayer,whichisgovernedbytheNavier-Stokesequationandbehaveslikeanelasticfoundationtoexerttransverseforcesonthethinfilm.Theunknownfeatureoftheaxialconstraintforcemakesthegoverningequationhighlynonlinearevenforthesmalldeflectioncase.Theconstraintforceandfilmtransversedeflectionaresolvediterativelythroughthegoverningequationandthedisplacementconstraintequationofimmovableedges.Thisresearchshowsthatinsomespecialcases,thedepositiondensityincreasedoesnotnecessarilyreducethelocalbending.Bycomparingthethinfilmdeflectionsofdifferentdepositionnumbersandpositions,wealsopresenttheguidelineofstrengtheningorsuppressingthelocalbending.

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简介：作者向优化的本地三角法的底提供高效地压缩三角法的功能的不一致的分区。数字例子证明在许多情况中，建议的库比优化的库向更好的压缩提供一致分区由Matviyenko获得了。关键词优化了本地三角法的库-贝尔函数-中国(号码10371122)的国家自然科学基金会支持的不一致的分区先生(2000)题目分类42C15，和第二个作者被Tianyuan资金为数学支持(没有。A0324648）

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简介：Primaryandmetastaticlivertumorsareanincreasingglobalhealthproblem,withhepatocellularcarcinoma(HCC)nowbeingthethirdleadingcauseofcancer-relatedmortalityworldwide.SystemictreatmentoptionsforHCCremainlimited,withSorafenibastheonlyprospectivelyvalidatedagentshowntoincreaseoverallsurvival.Surgicalresectionand/ortransplantation,locallyablativetherapiesandregionalorlocoregionaltherapieshavefilledthegapinlivertumortreatments,providingimprovedsurvivaloutcomesforbothprimaryandmetastatictumors.Minimallyinvasivelocaltherapieshaveanincreasingroleinthetreatmentofbothprimaryandmetastaticlivertumors.Forpatientswithlowvolumedisease,thesetherapieshavenowbeenestablishedintoconsensuspracticeguidelines.Thisreviewhighlightstechnicalaspectsandoutcomesofcommonlyutilized,minimallyinvasivelocaltherapiesincludinglaparoscopicliverresection(LLR),radiofrequencyablation(RFA),microwaveablation(MWA),high-intensityfocusedultrasound(HIFU),irreversibleelectroporation(IRE),andstereotacticbodyradiationtherapy(SBRT).Inaddition,theroleofcombinationtreatmentstrategiesutilizingtheseminimallyinvasivetechniquesisreviewed.

简介：Apreconditioningmethodforthefiniteelementstiffnessmatrixisgiveninthispaper.Thetriangulationisrefinedinasubregion;thepreconditioningprocessiscomposedofresolutionoftworegularsubproblems;theconditionnumberofthepreconditionedmatrixisO(1+logH/h),whereHandharemeshsizesoftheunrefinedandlocalrefinedtriangulationsrespectively.

简介：Ｔｈｉｓｂｉｂｌｉｏｇｒａｐｈｙｏｎｐｉｅｒｓｃｏｕｒｉｎｇｃｏｖｅｒｓａｐｅｒｉｏｄｆｒｏｍ１８７３ｔｏ１９９６ｉｎｃｌｕｄｉｎｇｏｖｅｒ３００ｒｅｆｅｒｅｎｃｅｓ．Ａｌｔｈｏｕｇｈｔｈｅｅｍｐｈａｓｉｓｉｎｔｈｉｓｂｉｂｌｉｏｇｒａｐｈｙｉｓｏｎｐｉｅｒｓｃｏｕｒｉｎｇａｓｓｏｃｉａｔｅｄｗｉｔｈｍｅｃｈａｎｉｓｍｏｆｓｃｏｕｒ，ｐａｒａｍｅｔｅｒｓａｆｆｅｃｔｉｎｇｓｃｏｕｒ，ｔｉｍｅｄｅｐｅｎｄｅｎｔｓｃｏｕｒ，ｄｅｓｉｇｎｆｏｒｍｕｌａｓ，ｍｏｄｅｌｉｎｇａｎｄｐｒｏｔｅｃｔｉｏｎｗｏｒｋｓ；ｃｏｍｐｌｅｍｅｎｔａｒｙｓｔｕｄｉｅｓｏｎｈｏｒｓｅｓｈｏｅｖｏｒｔｅｘａｔｐｉｅｒｓｏｒｃｙｌｉｎｄｅｒｓａｒｅａｌｓｏｉｎｃｌｕｄｅｄ

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简介：TheatomicstructureofanovelrareearthcomplexconsistingofNdandthesulfur-containingligandpipdtc(C5H10NCS2^-)hasbeenstudiedwithextendedx-rayabsortpitonfinestructure(EXAFS)andx-raydiffractiontechniques.ThecomplexofformulaNd(pipdtc)4N(CH3)4crystallizaesinthemonoclinicspacegroupP21/nwiththefollowinglatticeparameters,a=22.685(2),b=20.332(2),c=17.1270(10)A,β=100.570(10)°.Z=8,thecalculateddensityis1.47g/cm^3,Anewderivativemethodisusedtoremovethepiost-edgeabsorptionbackgroundincludingthemultielectronexcitationeffect.TheEXAFSresultsdemonstratethatthereareabouteightSandfourOatomsaroundNdwiththeNd-Sbondlengthof2.916AandtheNd-Obondlengthof2.415A,respectively.Thisimpliesthatthepowderofthiscomplexisnotstableandiseasytooxidizeinair.Thepossiblechangeofstructurebeforeandafteroxidationisdiscussed.