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1.
Themajorfunctionofsuperoxidedismutase(SOD)istocatalyzethedismutationofsuperoxideanion(·O-2)andcontrolintracellularandextracellularconcentrationof·O-2.·O-2isthemediatorofmanydiseases.AlthoughSODhasbeenconsideredtobeappliedasapharmaceuticalformanyyear…  相似文献   

2.
IntroductionConcurrentEngineering(CE)isregardedasthe90smanufacturingphilosophy[1,2].Itiswelknownthatcomputeraidedprocesplanni...  相似文献   

3.
1 HigherOrderHarmonicsHigherorderharmonics(HOH)arefrequentlyusedforreactorphysicsanalysis.Forexample,HOHcanbeusedtoreconstructthefullcorefluxdistributionfromlimitedneutronmeasurementdatausingtheharmonicssynthesismethod(HSM)[1].HSMproposestoexpressthe…  相似文献   

4.
IntroductionWhenthehomogeneoussolutionbecomesthermodynamicallyunstable (e g ,bytheintroductionofanonsolvent) ,thesolutionseparatesintotwoliquidphasesofdifferentcompositiontolowerthefreeenergyofthemixture Thisprocessisresponsibleforthegenerationoftheporou…  相似文献   

5.
Neural network model for the constitutive relations of soil   总被引:1,自引:0,他引:1  
0 IntroductionAccordingtothedifferenttheoriesappliedintheestablishingconstitutivemodel,theconstitutivemodelisgenerallygroupedintotwocategories :elasticmodelandelasto plasticmodel.Asoneoftheelasticmodels,Duncan Chang’smodel[1] iswidelyappliedinengineeringpr…  相似文献   

6.
IntroductionThesurfacewaterresourceintheTarimBasinamountsto37980×108m3,ofwhich34051×108m3isavailableforuse[1].In1995,theact...  相似文献   

7.
IntroductionOneofthemajorfactorsinthefailureofporcinebiologicalprosthesesandthosemadeofbovinepericardium(BP)istissuecalcifica...  相似文献   

8.
ApplicationofCellularNeuralNetworkstoMapRecognition(Ⅰ)¥WuXinyu(DepartmentofBasicCources,NanjingInstituteofPostsandTelecommuni...  相似文献   

9.
Sound,Voice,Noise用法点滴Sound是个普通用词,其涵义和使用范围较广。作名词用,表示“声音”,可泛指任何用耳朵听得到的“声音”。如:thesoundofrunningwater流水声thesoundofvoices说话声Sound作...  相似文献   

10.
IntroductionTraditionale commerceapplicationsystemisimplementedbyusingHTML ,JavaScriptandASP ,PHP .Becausethebusinesslogicismixedwiththesourcecode,thescriptsarecomplexandunreadable .Thismethodleavessomuchconveniencetoprogram mersbutalsomakessystemmaintain…  相似文献   

11.
0 IntroductionLiftingschemeasintroducedbyW .Sweldens[1] in 1996 ,isanewwayofconstructingwavelettransformthatnotnecessarilybasedontranslatesanddilatesofonefunction .LiftingallowstheconstructionofwaveletsentirelyinthespatialdomainwithoutmakinguseoftheFouriertr…  相似文献   

12.
MicrobialDiversityandResourcesLiuZhiheng(InstituteofMicrobioly,ChineseAcademyofSciences,P.R.C.)MichaelGoodfelow(Universityof...  相似文献   

13.
IntroductionCasebasedreasoningisakindofanalogousreasoninginartificialinteligence[1].Whenpeopleconsiderandresolveproblems,the...  相似文献   

14.
IntroductionInanenterprise,theshopfloorisoneofthemostimportantdepartmentsdirectlyinfluencingthemanufacturingeficiency.Shopf...  相似文献   

15.
IntroductionSeveralmodelshavebeendevelopedtoestimatetheeffectiveelasticpropertiesofmaterialswithinclusions,e.g.,holesandmicrocracks.Thefamousmicromechanicalmodelsincludethecompositecylindermodel(CCM)byHashin[1],theselfconsistentmethodproposedindependently…  相似文献   

16.
pomoeabatatasLam.belongestothegenusIpomoeaofConvolvulaceae.Itsflowerapparatusismonoecism.Theovaryconsistesoftwoloculesandfourovules.Eachcapsulecontains1to4seeds.Itwasreportedthattheovaryinsomecrossingcombinationshad3loculesand6ovules.Eachcapsulecont…  相似文献   

17.
IntroductionThemainmissionofpowerplantsimulatorsistoprovideinvaluabletrainingtoplantoperationalpersonnel.Todaythesimulatorshavebeenwidelyusedandtheirtrainingvalueshavebeenwellrecognized.Overthepastthreedecades,thesimulatorshavegonethroughseveralmajor…  相似文献   

18.
IntroductionAtpresent,thecommonlyusedproceduresofgenetransfercanbedividedintobiological,physicalandchemicalmethods.Exposureof...  相似文献   

19.
Watertransportinplantsisthesubjectofintensiveresearchbecauseofitsagronomicalandecologicalimplications.Thisarticlegivesashort...  相似文献   

20.
In Vivo Study of Brain Metabolism Using Nuclear Magnetic Resonance   总被引:1,自引:0,他引:1  
IntroductionInformationonbrainmetabolismisofgreatimportance,especialyconcerningthesequenceofhypoxic-ischemicepisodes(e.g.,bir...  相似文献   

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