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INTRODUCTIONThispaperconsidersthemixed effectcoeffi cientsemiparametricregressionmodelZ =X′α Y′β g(T) e,(1 )whereX ,YandTarerandomvectorsonRp,Rqand [0 ,1 ]respectively ,αisap dimensionalfixed effectparameter,βisaq dimensionalran dom effectparameter (Eβ =b ,Cov(β) =∑) ,g(.)i… 相似文献
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赵荣乐 《上海大学学报(英文版)》2000,4(2):171-174
1 Introduction Squashmosaicvirus (SqMV)isoneofthemostim portantcucurbitviruses[1~ 3] ,anditcausesgreatlossesinmuskmelonproduction[4 ] .Oneofthemainwaystocontrolplantvirusdiseasesistheinducementofresis tancetoviruses[5] bysomebiologicalandnon biologicalfactors[6~ 9… 相似文献
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ZHANG Bu xin ZHANG Zhi lin ZHU Wen qing JIANG Xue yin XU Shao hong School of Material Science Engineering Shanghai University Shanghai China 《上海大学学报(英文版)》2001,5(2):151-155
1 Introduction Sinceanorganiclight emittingdiode (OLED)withhighefficiencywasreportedbyTangandVanSlyke[1]in 1987,flatpaneldisplaysbasedonOLEDshavebeendeveloped .Inrecent years ,severallaboratoriesaroundtheworldareengagedindevelopingthemate rials ,devicesandproce… 相似文献
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INTRODUCTIONTransforminggrowthfactorβ1 (TGF β1 ) ,amultifunctionalcytokine,isreportedasaregula torofcellgrowthanddifferentiation (Lahmetal.,1 993 ) .TGF β1 canactasagrowthinhibi tionfactorinnormalcoloncells.WithouttheregulationofTGF β1 ,thenormalcolonicepithe liumwou… 相似文献
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INTRODUCTIONInrecentyears,orthogonalpolynomialsandfunctionsdevelopedbyChangetal.( 1 986)havebeensuccessfullyappliedinthefieldofdynamicsystems,foranalysisandidentificationoflinearsystemsandtheoptimalcontrol (Tsayetal.,1 987) .Themainadvantageofthistechniqueisthe… 相似文献
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INTRODUCTIONTheactiveingredientintheformulatedprod uctSumithion ,fenitrothion [0 ,0 dimethyl0 (3 methyl-4 nitrophenol)phos phorothioate] ,isanorganophosphate (OP)insecticideusedinag ricultureforcropprotectionandcontrolofvectorborndiseasesofpublichealthandveteri… 相似文献
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17 编写程序 ,比较两个字符串STRING1和STRING2所含字符是否完全相同 ,若相同则显示“MATCH” ,若不同则显示“NOMATCH”。答 datareasegment string1 db′asfioa′ string2 db′xcviyoaf′ mess1 db′MATCH′ ,′$′ mess2 db′NOMATCH′,′$′datarea endsprognam segmentmain proc far assumecs:prognam ,ds:datareastart: push … 相似文献
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INTRODUCTIONThephysicsofavortexlattice (VL)intype IIsuperconductorshasbeenthefocusofinterestsincethebeginningofhigh Tc research .Itiswell knownthat,aftertheexternalmagneticfieldexceedsitscriticalvalueHc1 ,themagneticfieldcanpenetrateatype IIsuperconductorin… 相似文献
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刘士平 《上海大学学报(英文版)》2002,(4)
1 Introductiion In 1994 ,O’LearyandYeremin[1] extendedthequasi Newtonalgorithmtotheblockcase ,inwhichtheyminimizedacollectionofthefollowingfunctions :fi(x) =f~(x) +bTix +ci (i=1,… ,p) (1.1)withx∈Rn.Herefordistinctvaluesofthevectorsbi,eachofthesefunctionshasadifferentmin… 相似文献
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请看下面几道高考题 :1 .CarolsaidtheworkwouldbedonebyOctober,personallyIdoubtverymuch .(NMET’99)A .it B .that C .when D .which2 .ismentionedabove ,thenumberofthestudentsinseniorhighschoolisincreas ing .(NMET’99上海 )A .Which B .As C .That D .It3.Dorothywasalwaysspeakinghighlyofherro… 相似文献
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1 Introduction Aqueouseffluentsdischargingfromminingandoth erindustriescontainheavymetalssuchaslead ,cad miumandchromiumindissolvedand particulateforms[1] .Theimpactofuntreatedindustrialeffluentsontheaqueousenvironmenthasbeenextensivelystudied[2 ] .Conventio… 相似文献
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1 Introduction Texturein polycrystalsisknowntobethemainsourceofplasticanisotropyofmetals .Twoextremeapproacheshavebeenusedtodescribethisanisotropy ,namelythecrystallographicmethod[1] andthemacroscopicmethod[2 ] .Theformercandirectlyrelatetheanisotropytothecr… 相似文献
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1 Introduction In 1988,Yoshizawaandco workers[1] reportedforthefirsttimeonanewgoodsoftmagneticalloycalledFinemet.Itconsistedofultrafinegrainstructurepre paredbythecrystallizationofFe Si BamorphousalloywithadditionsofCuandNb[1~ 3] .Theformationofthisparticularst… 相似文献
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1 Introduction Superconductingweaklinksareveryintriguing ,duetothefactthattheserelativesimplestructuresshowJosephsoneffect[1] .Intheory ,onlythestructuresthathavedimensionscomparablewiththecoherencelengthζareexpectedtoshowtrueJosephsonbehavior[2 ,3] .Inpracti… 相似文献
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1 Introduction Thefundamentalphysicalmetallurgyofthermomechanicalprocessing(TMP)hasbecomemuchbetterunderstoodoverthelasttwodecades[1~8].ItiswellcommonlyrecognizedthattheminuteadditionofstrongcarbonitrideornitrideformingelementssuchasNb,TiandVtakesveryimp… 相似文献
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Fromaglobalviewpoint ,thedistributionofbiodi versitycanbeassociatedwithclimate[1] .Amajorityofpatternsofspeciesdiversitycanalsobeexplainedintermsofclimaticgradients[2 5] .Withinagivenmoun tainrange ,climatemayaffectthedistributionandabundanceofplantspeciessi… 相似文献
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INTRODUCTIONTherearesomereportsontherelationshipbetweenthesizeofpontocerebellarangletumorsandaudiology .Thispaperpresents 2 7cases ( 2 8ears) .MATERIALSANDMETHODSThisstudy 0f 2 8-55yearsold ( 9maleand1 8female)patients ( 2 8ears,onepatientsuf feredfrombilateralacousticn… 相似文献
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LITERATUREREVIEWANDRESEARCHBACKGROUNDTheearliestresearchoninternationalcitiesdatesbackto 1 91 5whenP .Gaidys,theforerun nerofBritishurbanandregionalplanning ,initi atedtheideaoftheinternationalcity .In 1 966,PeterHall,theBritishscholarredefinedthecon ceptofthein… 相似文献
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1 Introduction Inrecentyears ,controllingchaoshasdrawngreatattentionbecauseofitstheoreticalimportanceandpossi bleapplications[1,2 ] .Theapplicationsofnonlinearsys temtheorytocontrolchaosisoneofthemainaspectsofresearchoncontrollingchaos[2 ] .Theexactlinearizat… 相似文献