共查询到20条相似文献,搜索用时 21 毫秒
1.
ZHOU Fang 《系统科学与系统工程学报(英文版)》1994,(4)
whereIvitispartialelasticityofoutputwithrf'specttoi-thfactorinput,andbit=Xi,/L,theintensityofi-thfactortvithrespecttolaborInput.Ontheright-handsideofl;heaboveequatloll,thefirstcomponentisknownasthe"exogenoustechnicalprogress",nlalnlyduetoa'lvanceinkno\viedge;thesecondcomponentisattributedtoscaleeconomiesordiseconomles,thethirdcompollentisthetechnologicalchange,determinedbymarginalratesofsubstitutiolloffactors,factorintensitieswithrespecttolaborinputandtheirchanges.A>illexitlllpleofelllploylllgthe1llethodof 相似文献
2.
《系统科学与系统工程学报(英文版)》1999,(3)
1 IntroductionMultinomiallogitmodelshaveattractedmoreattentiontodifferentspheresfordiscretechoiceproblem:theresponseofstimuliinbiology,theallocationingeography,theshareofcommoditiesinmarketing,theclinicinhealthcare,thechoiceoftransportmodesandthedeci… 相似文献
3.
The Stability of the Nonstationary Forest Evolution System and the Critical Proliferation Rate of Fo
《系统科学与系统工程学报(英文版)》1997,(2)
Inthispaper,wediscussedthenonstationaryforestevolutionsystem,definedthetime-varyingcriticalproliferationrateandthecriticalproliferationrate,andobtainedthenecessaryandsufficientconditionsforthesystemtobestable. 相似文献
4.
《系统科学与系统工程学报(英文版)》1999,(3)
1 IntroductionIthaslongbeenrecognizedthataproblemofmoralhazardmayarisewhenindividualsengageinrisksharingunderconditionsthattheirprivatelytakenactions,alongwithrandomstateofnature,affecttheoutcomewhichcouldbeobservedeventually.Thissituationiscommonin… 相似文献
5.
1 IntroductionAveryimportantcomponentofChina′seconomictransformation,whichbeganin1978,hasbeentheprocessofopeninguptotheoutsideworld.Consequently,theroleofexternaltradeinChina′seconomyhasgrowndramaticallyinthelast20years.ThemainfeatureofChina′sforeig… 相似文献
6.
《系统科学与系统工程学报(英文版)》1997,(2)
Thisabbreviatedpaperconsistsofthreeparts.lnthefirstpart,thedifhrentialequationmodelsofhierarchicalmanpowersystemsareestablished,whichareabletobeusedfordiscussingthestabilityofthesystem.lnthesecondpart,westudythesubsystemmodels.Theobtainedresultsdemonstratethat,theuniformmanpowerpoliciesarenotfeasible,andthereshouldbethedivergence崐ofpoliciesamongsubsystems.Therefore,theinterflowamongthesubsystemsmustexist.lntbelastpart,anexampleisgiven, 相似文献
7.
Variable Structure Control of Delayed Distributed Parameter Systems with Distributed Control Structu
《系统科学与系统工程学报(英文版)》1997,(2)
Thevariablestructurecontroldsingisstudiedforaclassforofdelayeddistributedsystemswhithdistributedcontrolstructures.AnewmethodbasedontheLyapunovfunctionisproposed.Finally,anexampleisgiventoillustrate,thedesignprocessofcontrol. 相似文献
8.
WANG Peng |tao GAO Xi |zhen ZHAO Li |ping Tianjin Institute of Technology Tianjin China 《系统科学与系统工程学报(英文版)》1999,(3)
1 ForecastMethodWe′llusethefactorreconstructionanalysis(FRA)tostudythelawoftalent,becausethestatisticdataabouttalenthasthefollowingcharacteristics:1)Thedataarenotstandard2)Themechanismoftalentrunningischanging,thusthelawoftalentiscomplicatedTheFRAwas… 相似文献
9.
GONG Yue YANG Hua |min JIANG Hui |lin Changchun Institute of Optics Fine Mechanics Changchun China 《系统科学与系统工程学报(英文版)》1999,(3)
1 TheModelsinthePaper(JunZhu,1994)Awomenchildbearingprocesswasdescribedasasequentialprocessconsistingofaseriesofindependentstageswherewomenmovefrommarriagetofirstbirth,fromfirstbirthtosecondbirth,andsoon.Twokindsofmodelswereadopted,theCoaleMcNeil′sm… 相似文献
10.
WANG Lian |guo WANG Yu |zhen Res. Ins. of Systems Eng. Shandong Institute of Mining Technology Tai′an China 《系统科学与系统工程学报(英文版)》1999,(3)
1 IntroductionTheinfluencialfactorsonthecoalfaceproductionmainlyincludegeology,equipmentandpersonnel.Justbecauseofthethreefactors′comprehensiveeffectonthefullymechanizedcoalface,thepracticalproductioncapacitycanbemadelowerthantheratedone.Thispaperi… 相似文献
11.
1 IntroductionInputoutputmodelhasbroadapplicationallovertheworld[1~3]sinceW·Leontiefofferedthismodelin1930s[4].Inparticular,theresearchofdynamicinputoutputmodelhasrecentlyarousedgreatinterestofmanyscholars[5,6].Theformofthedynamicinputoutputmodel… 相似文献
12.
《系统工程与电子技术(英文版)》1994,(2)
Yes,ScienceisConfrontedbyaGreatRevolutionJozephJ.Smulsky(InstofEarth'sCryosphere,SiberianBranch,RussianAcademyofSciences,6250... 相似文献
13.
Thebasicmeaningofcombinationforecastiscombiningmanyforecastingmodelstogethertoforecast,anditisusualylinearcombinationago.Infa... 相似文献
14.
SHI Xiaofeng YANG Guodong Xue Juemin Department of Environmental Science Shanxi University 《系统科学与系统工程学报(英文版)》1998,(3)
1PrefaceIntheenvironmentalimpactasesmentofconstructionitems,aftersystematicalyanalysingandclasifyingdischargingfeaturesandenv... 相似文献
15.
1 IntroductionRecently,thestudyonthetheoryofincompletefinancialassetsmarkethasmadesomeimportantdevelopmentandsomevaluableresultshavebeengiven.Thebasicobjectiveofthetheoryofincompletemarketsistoextendthegeneralequilibriumanalysisofmarketsfromtheclass… 相似文献
16.
A Discussion on the Introduction of Entropy into Economics 总被引:5,自引:0,他引:5
JIANG Lu 《系统科学与系统工程学报(英文版)》1994,(2)
ADiscussionontheIntroductionofEntropyintoEconomicsJIANGLu(BeijingNormalUniversity,China,andUniversityofTrento,Italy)Abstract:... 相似文献
17.
JIAO Jiwen Qingdao Naval Submarine Academy WU Haihua Hsin Ten Institute of International Economics Qingdao University WANG Hui Qingdao Naval Submarine Academy 《系统科学与系统工程学报(英文版)》1998,(2)
1IntroductionIntheeconomicdevelopmentofacountry,therearenormalytwoadjustingwaysoftheindustrialstructure,i.e.:incrementaladjus... 相似文献
18.
LI Bo * Department of Applied Mathematics Beijing Institute of Technology Beijing China 《系统科学与系统工程学报(英文版)》1999,(3)
1 IntroductionAlthoughmanynonlinearprogrammingalgorithmswillobtainalocalsolutionforanoptimizationproblem,themaindifficultywiththesemethodsisthatthelocalminimawhichtheyobtainmightnotbeglobal.Activeresearchduringthepastthreedecadeshasproducedavariety… 相似文献
19.
Some Performance Measures of Transfer Line Consisting of Two Unreliable Machines with Reprocess Rule 总被引:9,自引:0,他引:9
LI Wei CAO Jinhua Institute of Applied Mathematics Chinese Academy of Sciences Beijing 《系统科学与系统工程学报(英文版)》1998,(3)
1IntroductionAtransferlineconsistsofn(n=2,3,…)machinesseparatedbybufers.Workpiecesflowfromoutsidethesystemtothefirstmachine.A... 相似文献
20.
YANG Xiao |guang ZHU Qing .Laboratory of Management Decision Information Systems Institute of Systems Science Academia Sinica Beijing China .Department of Mathematics Anhui University Hefei China 《系统科学与系统工程学报(英文版)》1999,(3)
1 IntroductionGenerally,anoptimizationproblemcanbewrittenasthefollowingform(P) zp=minx∈Xf(x),(1)WhereXisthesetoffeasiblesolutions,andf(x)istheobjectivefunction.Butintherealworld,duetotheuncertaintyofthefuture,theinputdataoftheobjectivefunctionf(x)d… 相似文献