简介：Core-shellstructurednanosphereswithmesoporoussilicashellandNicore(denotedasNi@meso-SiO2)arepreparedthroughathree-stepprocess.MonodispersedNiprecursorsarefirstprepared,andthencoatedwithmesoporousSiO2.FinalNi@meso-SiO2spheresareobtainedaftercalcination.TheproductsarecharacterizedbyX-raypowderdiffraction,transmissionelectronmicroscopyandN2adsorption-desorptionmethods.Thesesphereshaveahighsurfaceareaandarewelldispersedinwater,showingahighcatalyticactivitywithaTOFvalueof18.5,andoutstandingstabilityinhydrolyticdehydrogenationofammoniaboraneatroomtemperature.

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简介：Thedispersioncompensationpropertiesofdual-concentriccorephotoniccrystalfibersaretheoreticallyinvestigatedinthisletter.Theeffectsofgeometricstructureonthedispersionpropertiesofdual-concentriccorephotoniccrystalfibersarecarefullystudiedbyfiniteelementmethod.Thefirstlayerofholesaroundthecoreareaisenlargedinanewmannerwiththenear-corepointfixed.Consideringthetradeoffamongseveralparameters,resultsshowthatthedispersioncompensationwavelengthandstrengthcanbetunedtodesiredvaluesbyconstructinganappropriatedesignofthegeometricstructureofphotoniccrystalfibers.

简介：Anexperimentaladvancedsuperconductingtokamak(EAST)operationwindowwiththelowerhybridcurrentdrive(LHCD)inH-modeisestimatedbyusingacore-SOL-divertor(C-S-D)modelvalidatedbythepresentEASTdivertorexperiments.Theoperationwindowconsistsoffourlimitsincludingtwousuallimits,oneofwhichisthemaximumallowableheatloadontothedivertorplate,andtwoadditionallimitsassociatedwiththeLHCD.ThepredictiveEASToperationwindowisnotqualifiedtofulfillitsmissionforhighinputpower.Toextendtheoperationwindow,gaspuffingandimpurityseedingarepresentedastwoeffectivemethods.Inaddition,theeffectoftheLHCDcurrentontheoperationwindowisalsodiscussed.OurnumericalanalysisresultsprovideareferenceforthesafeoperationofEASTexperimentswithLHCDinfuture.

简介：近日，大连捷成推出X—CORE全媒体综合处理平台。X—CORE全媒体综合处理平台是实现广电传统业务与新媒体业务融合、视音频基带信号处理技术和IP流媒体技术的融合的高度集成化、智能化的综合处理平台．其模块化的结构．灵活的组合方式．广泛应用于传统广电和新媒体业务。

简介：Glioblastoma(GBM)isoneofthemostlethalhumancancers.GenomicanalysesdefinethemoleculararchitectureofGBMandhighlightacentralfunctionformechanistictargetofrapamycin(mTOR)signaling.mTORkinaseexistsintwomultiproteincomplexes,namely,mTORC1andmTORC2.Thesecomplexesdifferintermsoffunction,regulationandrapamycinsensitivity.mTORC1iswellestablishedasacancerdrugtarget,whereasthefunctionsofmTORC2incancer,includingGBM,remainspoorlyunderstood.ThisstudyreviewstherecentfindingsthatdemonstrateacentralfunctionofmTORC2inregulatingtumorgrowth,metabolicreprogramming,andtargetedtherapyresistanceinGBM,whichmakesmTORC2asacriticalGBMdrugtarget.

简介：Lithium-sulfur（Li-S）batteriesbelongtooneofthepromisingtechnologiesforhigh-energy-densityrechargeablebatteries.However,sulfurcathodessufferfrominherentproblemsofitspoorelectronicconductivityandtheshuttlingofhighlydissolublelithiumpolysulfidesgeneratedduringthecycles.Loadingsulfurintoporouscarbonshasbeenprovedtobeaneffectiveapproachtoalleviatetheseissues.Mesoporousandmicroporouscarbonshavebeenwidelyusedforsulfuraccommodation,butmesoporouscarbonshavepoorsulfurconfinement,whereasmicroporouscarbonsareimpededbylowsulfurloadingrates.Here,acore-shellcarbon,combiningboththemeritsofmesoporouscarbonwithlargeporevolumeandmicroporouscarbonwitheffectivesulfurconfinement,waspreparedbycoatingthemesoporousCMK-3withamicroporouscarbon（MPC）shellandservedasthecarbonhost（CMK-3@MPC）toaccommodatesulfur.Aftersulfurinfusion,theas-obtainedS/（CMK-3@MPC）cathodedeliveredahighinitialcapacityofupto1422mAh·g-1andsustained654mAh·g-1reversiblespecificcapacityafter36cyclesat0.1C.Thegoodperformanceisascribedtotheuniquecore-shellstructureoftheCMK-3@MPCmatrix,inwhichsulfurcanbeeffectivelyconfinedwithinthemeso/microporouscarbonhost,thusachievingsimultaneouslyhighelectrochemicalutilization.