简介：Thispaperinvestigatesthelead-lagrelationshipbetweenthestockindexfutures(knownasFKLI)anditsunderlyingindex,theKualaLumpurCompositeIndex(KLCI)intheemergingMalaysianmarket.Using15-secondintervaldata,cross-correlation,andthepartialadjustmentmodel,wefindabi-directionalasymmetriclead-lagrelationshipandthattheKLCI’sleadoverFKLIismuchstronger.TheevidencealsosuggeststhattheKLCIreturnsover-reacttoinformation,moresooncethintradingeffectsareconsidered.Overall,theevidencessuggestthattradersprefertoexploitstockspecificinformationintheunderlyingmarketdespitetheadvantagesoftradingtheindexfutures.

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简介：InthispaertheinequalityofLemma1of[1]isextended.BymeansofourinequalityandthemethodofLyapunovfunctionwestudythestabilityoftwokindsoflargeseatedifferentialsystemswithtimelagandthestabilityofahigher-orderdifferentialequationwithtimelag.Thesufficientconditionsforthestability(S.),theasymptoticstability(A.S.),theuniformlyasymptoticstability(U.A.S)andtheexponentialasymptoticstability(E.A.S.)ofthezerosolutionsofthesystermsareobtainedrespectively.

简介：Leadisoneofthepoisonoustraceelementforhumanbody.Itisimportanttofindawayformeasuringcontentoflead.Deterninationofleadbyelectrochemistryisoneofamethod[1].Inthispaper,leadisdeterminedbysingle-sweeppolarography.Theabsorptionbehaviorofmeso-tetra(4-sulfonylphenyl)porphyrin(H2TPPS4)complexwithleadionhasalsobeenstudied.InNa2B4O7-NaOHsolutionwithpH=l0.5,thereductionpeaksoftheligandareP1(Ep1=-0.38V),P2(Ep2=-1.04V),whichpotentialsareobtainedvs.S.C.E.Whenleadionhasbeenaddedintoabovesolution.ThepeakcurrentofP1andP2decrease,andanewreductionpeakP3(Ep3=-1.10V)appears.ItshowsthattheTPPS4-Pb(Ⅱ)complexforms,andthismethodcanbeappliedtostudythecomplex.

简介：迈克尔·戴尔是全球知名IT产品及服务供应商——戴尔公司的首席执行官(ChiefExeeutiveOfficer)。他是IT精英，于19岁时创立了戴尔公司。下面是他的一篇报告《让兴趣引导你》。

简介：ＰｒｏｐｅｒｔｉｅｓｏｆＮｕｃｌｅｉｉｎＬｅａｄＲｅｇｉｏｎ￥ＧｕＪｉｎｎａｎａｎｄＺｈａｎｇＣｈａｎｇｈｕａＴｈｅｓｔｒｕｃｔｕｒｅｏｆｔｈｅｎｕｃｌｅｉｉｎｔｈｅｖｉｃｉｎｉｔｙｏｆ２０８Ｐｂｈａｖｅｂｅｃｏｍｅｏｆｇｒｅａｔｅｘｐｅｒ...

简介：Powermeansdifferentthingstodifferentpeople.Somesaythatpoweristheabilitytoexert(施加)influencebeyondthoseoneactuallycontrols.Othersmaintainthatpowerboilsdown(压缩，简化)totheabilitytogetwhatonewants.Consideringthatweneedincometoobtainthethingsthatweneedorwant,

简介：IntroductionLead-inmeanstointroducestudentsgentlytotopicstheyaregoingtodealwith,settlethemdownatthebeginningofalessonandgenerallypreparethemforthetopic.Usinglead-insinlanguageteachingisnotanewidea.Someofthemorerecenttextbooks,notably‘StepbyStep’,andotherteachers’books,havewarming-upexercisesandculturalbackgroundinformationwhichteacherscanuseaslead-in.However,formanyyears,becauseofalackofsuitabletraininginteachingmethodology,manyEnglishteacherstendedtoneglectlead-in,thefirststepinpresentingatext,andwentdirectlyintothetextitself.Thestudentswereconfrontedwithsomethingtheyknewnothingabout,andhadnoparticulardesiretoknowabout.Theywereexpectedtoadjustthemselvestotheteachingcontext.

简介：在这篇论文，H无穷修理落后变光滑的一条新途径被使用革新分析理论开发。更光滑被诉诸扩大状态导出。然而，与以前的工作完全不同，这里的扩充状态为导出评估者被看作就一个理论数学工具。为扩充系统的Riccati方程的一个分布式的算法被介绍。评估者的计算不要求任何扩大。在新途径和以前的工作之间的compulation费用的比较被做。在这篇论文使用的主要技术是在一个不定的空格的re-organizedinnovation分析。

简介：Byprescribingseasurfacetemperatureanomalies(SSTAs)overeasternequatorialPacificinJanuary-March,thelaginfluenceofENSO(ElNinoandLaNina)onmonsoonoverEastAsiahasbeenstudied.Theresultssuggestthat,duetotheexcitationofatmosphericlow-frequencyoscillationbytheSSTA,ENSOhassignificantlaginfluenceonthemonsoonoverEastAsia.DuringthesummerafterElNino,thesubtropicalhighoverwesternPacificisintensifiedandshowsthenorthwardandwestwarddisplacement,meanwhile,therainfalloverEastChinaisbelownormal,especiallyinNorthChina;duringthewinterafterElNino,boththeAsiantroughandthewintermonsoonoverEastAsiaarestrengthened.DuringthesummerafterLaNina,theanomaloussubtropicalhighprevailsoverthelowerreachesofYangtze(Changjiang)River,therainfallbetweenYangtzeandHuaiheRiversisbelownormal;duringthewinterafterLaNina,boththeAsiantroughandthewintermonsoonoverEastAsiaareweaker.ComparedwithLaNina,theeffectofElNinoisstronger,butitisnotalwaysoppositetotheoneofLaNina.

简介：Itisknownthatthereisalagtimeforsmokeplumeinducedbyfirestransportingfromafireorigintothelocationofinterestunderneathanunconfinedandflatceiling.Thislagbehaviorofsmokeplumealsoexistsforafireunderaslopedceiling,andisfundamentaltoestimatetheactivationtimeofafiredetectororotherfireextinguishingsystem.Thisstudyfocusesonthelagtimeofsmokeplumeunderaslopedceiling.Basedontheweak-plumetheoryatearly-firephaseandpreviousstudiesconcerningthefireplumecharacteristicsunderaslopedceiling,acalculationmethodonlagtimeoffireplumetransportingispresentedintheory.Meanwhile,twodimensionlessequationspredictingthelagtimeoffireplumeforsteadyfireandunsteadyfireareproposedrespectively.Furthermore,thecriticaltimecalculationequationisalsoproposedtodeterminetheapplicabilityofquasi-steadyassumptionforatime-dependentfire.

简介：Leadisamajorenvironmentaltoxicantthroughouttheworld.Leadcaninducesevereneurotoxicityincludingirreversiblehearingimpairment.Manyinvivostudieshaveshownthatleaddamagestheauditorynervoussystem,buthaslittleornoeffectoncochlearsensoryhaircells.Togaininsightsonleadototoxicandneurotoxiceffectsinvitro,leadacetate(LA)wasappliedtopostnatalday3-4ratcochlearorganotypicculturesfor24or72hwithdosesof0.1,0.5,1,2or4mM.After24or72htreatmentwithleadacetate,nearlyallofcochlearsensoryhaircellswereintact.However,after72htreatment,theperipheralauditorynervefibersprojectingtothehaircellsandthespiralganglionneurons(SGN)weredamagedwhenleadconcentrationexceeded2mM.Ourresultsindicatedthat72htreatmentwithonlythehighdoses(>2mM)ofleadactatedamagedSGNsandperipheralnervefibers;haircellsremainedstructurallyintactevenafter4mMtreatment.TheseresultsshowthatleadprimarilydamagescochlearnervefibersandSGNratherthanhaircells.

简介：Thepaperanalyzestheinfluenceofleadtoxicitybyanaerobicgranulesludgeinhibitionandrecoveringexperiments.Theresultshowsthattherearedifferentinhibitiontypesatdiffer-entleadcontents.Higherleadcontentleadstomoreinhibitiongranularsludge,andatthesametime,thetimeofgasrecoveryisdifferent.Lowerleadcontentpermicroorganismresultsinsoonersludgerecovery.Microorganismshaveagoodabilitytoresistleadtoxicity.

简介：彭永清，严绍谨，王同美ＡＮｏｎｌｉｎｅａｒＴｉｍｅ－ｌａｇＤｉｆｆｅｒｅｎｔｉａｌＥｑｕａｔｉｏｎＭｄｅｌｆｏｒＰｒｅｄｉｃｔｉｎｇＭｏｎｔｈｌｙＰｒｅｃｉｐｉｔａｔｉｏｎ￥ＰｅｎｓＹｏｎｓｑｉｎｇ；ＹａｎＳｈａｏｊｉｎａｎｄＷａｎｇＴｏｎｇｍｅｉ（...

简介：用修理落后的一个算法改进EIS算法的精确的光滑的过滤在这份报纸被介绍。第一，灰色的设计算法(GPA)被用来计算interframe全球运动向量。第二，修理落后光滑的过滤器习惯于使平滑原来的录像顺序的运动轨道，根据不同运动模型的意见。最后，原来的顺序被使用从过滤计算的赔偿向量补偿。这个算法在在不同运动场面由录像序列的实验过滤精确被证明优异。这个算法也满足即时请求。CLC数字TN911.73

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简介：TheDeGrootmodelisoneofthemostclassicalmodelsinthefieldofopiniondynamics.ThestandardDeGrootmodelassumesthatagentsarehomogeneousandupdatetheiropinionsinthedirectionofaweightedaverageoftheirneighbors'opinions.Onenaturalquestioniswhetherasecondtypeofagentscouldsignificantlychangethemainpropertiesofthemodel.Theauthorsaddressthisquestionbyintroducingrebels,whoupdatetheiropinionstowardtheoppositeoftheirneighbors'weightedaverage.Theauthorsfindthattheexistenceofrebelsremarkablyaffectstheopiniondynamics.Undercertainmildconditions,theexistenceofafewrebelswillleadthegroupopiniontothegoldenmean,regardlessoftheinitialopinionsoftheagentsandthestructureofthelearningnetwork.ThisresultiscompletelydifferentfromthatofthestandardDeGrootmodel,wherethefinalconsensusopinionisdeterminedbyboththeinitialopinionsandthelearningtopology.Thestudythenprovidesnewinsightsintounderstandinghowheterogeneousindividualsinagroupreachconsensusandwhythegoldenmeanissocommoninhumansociety.