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1.
Notation Allquantitieswererestrictedtoonemoleunlessotherwisespecified.GGibbsfreeenergyofPhase°GiGibbsfreeenergyofpurecomponentiofphaseximolefractionofcomponentiEGexcessfreeenergyofphasekjjthorderparameterofRedlichKisterpolynomialΔGf(i)fusionfree…  相似文献   

2.
1IntroductionGeneticalgorithms(GAs)wereproposedtosolveplanning,scheduling,oroptimizationproblemsin1970s.GAssimulatenaturalevo...  相似文献   

3.
TELOMERASE RNA AND TELOMERASE ACTIVITY IN TROPHOBLASTIC TUMORS   总被引:2,自引:0,他引:2  
INTRODUCTIONMultiplegenomicmutationsandDNAdamagecancausemalignanttransformationofhumancells.TelomeresarespecializedstructurescontainingrepeatsofthesequenceTTAGGGattheendsofeukaryoticchromosomes.Telomeresarethoughttohaveanimportantroleinchromosomeprote…  相似文献   

4.
INTRODUCTIONFibroblastgrowthfactor (FGF)isanangio genicandmitogenicpolypeptidethatcanpromotecellproliferationanddifferentiationinawideva rietyofcelltypes (Goldfarb ,1 990 ;Basilicoetal.,1 992 ) .TheFGFfamilyhasmanymemberswithsimilaraminoacidsequenceandbiologicala…  相似文献   

5.
1 Introduction ThespatialGreen’sfunctionsofmulti layeredmediaareusefulinanalysisofantennaandintegratedcircuitstructures.Theyareconstructedintwosteps.ThefirstistoderivethespectralGreen’sfunction .ThesecondistomakeinverseFouriertransformoftheGreen’sfunc t…  相似文献   

6.
InlinewithincreasingacademiccontactsandfriendlycooperationsbetweenChinaandGermany ,andsupportedbytheNationalNaturalScienceFoundationofChina (NSFC)andChinaPetrochemi calCorporation(SINOPEC)andtheGermanScienceFoundation ,thefirstChina GermanySympos iumonorga…  相似文献   

7.
OnColegeEnglishClasroomResearchLinLiechengItisadecadesincethecaryingoutoftheCOLLEGEENGLISHTEACHINGSYLLABUS.Wearenowfacedwith...  相似文献   

8.
INTRODUCTIONTransforminggrowthfactorβ1 (TGF β1 ) ,amultifunctionalcytokine,isreportedasaregula torofcellgrowthanddifferentiation (Lahmetal.,1 993 ) .TGF β1 canactasagrowthinhibi tionfactorinnormalcoloncells.WithouttheregulationofTGF β1 ,thenormalcolonicepithe liumwou…  相似文献   

9.
PancyclicGraphsSatisfyinga3DegreeSumConditionGuGuohua(顾国华)(DepartmentofMathematics,SoutheastUniversity,Nanjing210018)Abstra...  相似文献   

10.
DirectElectronTransferReactionsofGlucoseOxidaseandD┐AminoAcidOxidaseataGlasyCarbonElectrodeinOrganicMediaWeiJianjunQinYiqinLi...  相似文献   

11.
SilenceinWAITINGFORGODOTLiShixiaoAbstractSilenceasadramaticdeveieisusedfrequentlybydramatiststoexpresvariousthingsandfeelings...  相似文献   

12.
INTRODUCTIONItisafundamentalproblemincomputeraidedgeometricdesign (CAGD)andmanufacturetofindtheintersection (Laneetal.,1 980 ;Wang ,1 984;Sederbergetal.,1 986)oftheparametriccurves.SincemostofthecurvesinCAGDaredenotedbypolynomialsorrationalpolynomials,tofindtheirint…  相似文献   

13.
STATEBUDGETINGINTHEUNITEDSTATESMONICAZHONGAsacentralelementofgovernment,budgetingis″adecisionmakingsystemforallo-catingfundsa...  相似文献   

14.
ndustrializationandTransformationofChineseIntelectualsGaoWenping1.OutofPalace,OutofGraceAmbivalenceaboutSelfIdentityThrough...  相似文献   

15.
AcousticEmissionMonitoringofFatigueCrackGrowthinaSlenderWebofBridgeGirderYanTinghu(颜廷虎)ZhongBinglin(钟秉林)(DepartmentofMechanic...  相似文献   

16.
LITERATUREREVIEWANDRESEARCHBACKGROUNDTheearliestresearchoninternationalcitiesdatesbackto 1 91 5whenP .Gaidys,theforerun nerofBritishurbanandregionalplanning ,initi atedtheideaoftheinternationalcity .In 1 966,PeterHall,theBritishscholarredefinedthecon ceptofthein…  相似文献   

17.
·Reviews·PhysicalandMathematicalModelingoftheArgon OxygenDecarburizationRefiningProcessofStainlessSteelWEIJi He  (1 )………………………………………………………………………………………………………·Letters·SteganographicTechniqueCapableofWithstandingRQPAnalysisWANGShuo Zhong ZHANGXin Peng ZHANG…  相似文献   

18.
1 Introduction Generallyspeaking ,productconcurrentdesignislo calizedwithinenterprises .Withtheincessantdevel opmentofInternetandweb basedapplicationtech niques,however ,itisurgentlyneededtocopewiththeproblemsofproductconcurrentandcollaborativedesignindisc…  相似文献   

19.
1 Introduction Phaseisanimportantconceptioninoptics.Itsdefini tionisexplicitinclassicoptics,butitisdifficulttogiveitsdefinitemeaninginquantumoptics.Therehavebeenseveraldefinitions,whichhavedifferentcharacteristicrespectively.SomeofthemareSusskind Glogowe…  相似文献   

20.
ContinuingEducationinaGlobalizedandKnowledge -basedEconomyWangYibin  Inthenewsocialparadigmofglobalizationandknowledge basedeconomy ,theguidelinewillbeglobalskills ,internationalunderstanding ,newtechnology ,information ,knowledgeandwisdom .Thisnecessitates…  相似文献   

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