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简介：Consumers'electricitycostkeepsincreasingoverthetimeinmostcountriesacrosstheworld.Themainreasonisthatimportingelectricityfromgenerationplantsfarfromaloadcenterisrelativelyexpensive,ascostsarepaidnotonlyforgenerationbutalsoforenergylossandnetworkuse.Tothisend,itismoreeconomicaltouseelectricitygeneratedbylocaldistributedgenerations.Inordertoreducecustomers'electricitycost,aneweconomicdispatchofsmartdistributionnetworksisproposed.Economicdispatchofsmartdistributionnetworkistomeetloaddemandwiththeleastconsumers'electricitycostconsideringdistributedgenerators,whilerecognizingalloperationallimitsofgenerationandtransmissionfacilitiesinadistributionnetwork.Casestudyshowsthatconsumers'electricitycostcanbereducedbyabout20%througheconomicdispatchofdistributionnetwork.Further,generationcostandemissionofdistributionnetworkarereducedaswell.

简介：Becauseoflimitedresourceofembeddedplatforms,thecomputationalcomplexityofadvancedcontrolalgorithmsraisessignificantchallengesfortheuseofembeddedsystemsincomplexcontrolfield.AScilab/Scicosbasedembeddedcontrollerisdevelopedonwhichvariouscontrolsoftwarecanbeeasilymodeled,simulated,implemented,andevaluatedtomeettheever-expandingrequirementsofindustrialcontrolapplications.BuiltontheCirrusLogicEP9315ARMsystems-on-chipboard,thisembeddedcontrollerispossibletodevelopcomplexembeddedcontrolsystemsthatemployadvancedcontrolstrategiesinarapidandcost-efficientfashion.Duetothefreeandopensourcenatureofthesoftwarepackagesused,thecostoftheembeddedcontrollerisminimized.

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简介：这篇论文涉及近似可控制性的费用和热方程的空可控制性的界限，即，最小的Lp需要近似控制系统的控制或控制的标准和L∞标准需要驾驶系统的状态到零。我们使用的方法联合observability不平等，为热方程的精力估计和双理论。

简介：Softwaremodularizationisatechniqueusedtodivideasoftwaresystemintoindependentmodules（packages）thatareexpectedtobecohesiveandlooselycoupled.However,assoftwaresystemsevolveovertimetomeetnewrequire-ments,theirmodularizationsbecomecomplexandgraduallyloosetheirquality.Thus,itischallengingtoautomaticallyoptimizetheclasses＇distributioninpackages,alsoknownasremodularization.Toalleviatethisissue,weintroduceanewapproachtooptimizesoftwaremodularizationbymovingclassestomoresuitablepackages.Inadditiontoimprovingdesignqualityandpreservingsemanticcoherence,ourapproachtakesintoconsiderationtherefactoringeffortasanobjectiveinitselfwhileoptimizingsoftwaremodularization.WeadapttheElitistNon-dominatedSortingGeneticAlgorithm（NSGA-Ⅱ）ofDebetal.tofindthebestsequenceofrefactoringsthat1）maximizestructuralquality,2）maximizesemanticcohesivenessofpackages（evaluatedbyasemanticmeasurebasedonWordNet）,and3）minimizetherefactoringeffort.Wereporttheresultsofanevaluationofourapproachusingopen-sourceprojects,andweshowthatourproposalisabletoproduceacoherentandusefulsequenceofrecommendedrefactoringsbothintermsofqualitymetricsandfromthedeveloper＇spointsofview.

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简介：IsolationofHelicobacterpylori(HP)isthegoldstandardforthediagnosisofHPinfection.However,theconventionalisolationmethodistedious,expensiveandtroublesome,andisnotsuitableforuseingeneralpractice.Wehavedevelopedasimple,low-costandeffectivemethodfortheisolationofHP.TwobiopsyspecimensfromeachpatientwereinoculatedonaHPselectivebloodplate,andplacedinaspeciallydevisedplasticjarcoveredair-tightlywithalid.Afterfillingwithamixturegas(CO210%,O25%,N285%),

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简介：Duringthelong-termhumandevelopment,theformationofthelanguagehasitsownnationalcharacteristics.Languageisahumanspecificsymbolsystem,culturalrubyandoneofthemostimportantcarriersofculture.Theproduction,economiclife,geography,religion,andsoonarereflectedinthelanguage.Loveiseternaltopicandlovewordshaveverydeeprichculturalimplication.Forthousandsofyears,peoplepraisebeautifulloveandaffection.ThispaperwilltakelovewordsforexampletolookintoChineseandWesternculturalcharacteristics.

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