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简介：Toseekforlower-dimensionalchaoticsystemsthathavecomplextopologicalattractorstructurewithsimplealgebraicsystemstructure,anewchaoticsystemofthree-dimensionalautonomousordinarydifferentialequationsispresented.Thenewsystemhassimplealgebraicstructure,andcandisplaya2-scrollattractorwithcomplextopologicalstructure,whichisdifferentfromtheLorenz's,Chen'sandLu¨'sattractors.Byintroducingalinearstatefeedbackcontroller,thesystemcanbecontrolledtogenerateahyperchaoticattractor.Thenovelchaoticattractor,hyperchaoticattractoranddynamicalbehaviorsofcorrespondingsystemsarefurtherinvestigatedbyemployingLyapunovexponentspectrum,bifurcationdiagram,Poincar′emappingandphaseportrait,etc.,andthenverifiedbysimulatinganexperimentalcircuit.

简介：BeingaffectedbyIraqwar,theKoreannuclearcrisis,thereadjustmentoftheU.S.militarystrategyandin-depthdevelopmentofterrorismandanti-terroriststruggles,theworldgeostrategicposturehasundergonegreatchanges.Toobserveandanalyzethesenewchangeswillhelpusbetterunderstandthefuturetrendsoftheworldgeostrategicposture.

简介：如果，复杂、方形的矩阵E被称为coninvolutory$\barEE=I$，在$\barE$表示建筑群的地方，矩阵E结合并且我是一个身份矩阵。在这份报纸，我们介绍一个复杂矩阵的coninvolutory分解并且为计算coninvolutory因素调查一次牛顿重复。一个简单数字例子说明我们的结果。

简介：FollowingtheeruptionofEuropeandebtcrisisinthewakeofthefinancialcrisis,anewdebtcrisisbegantofermentontheUSsoils.OnMay16th,withUSdebtexceedingitsstatutoryceilingof$14.29trillion,USTreasury'ssolvencybecamesostretchedthatitcouldhardlylasttoAugust2nd.Asaresult,thecountrywasplungedintogreatdefaultrisks.Thetwoparties,throughheatedpoliticalstruggles,finallymanagedtoreach

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简介：Adiatomwaspurifiedwithcolonyselectionandcontinuousdilutionmethods.ItwasidentifiedtoCylindrothecaclosteriumaccordingtoitsmorphologicalcharacteristicsandrbcLand18srRNAgenesequences.Thealgawasnotsensitivetoampicillinandneomycin,butsensitivetochloramphenicolwhichinhibiteditsgrowthatconcentrationsrangingfrom50to150μgmL-1.Thepurifiedalgawaseasytocultureanditsspecificgrowthratewas0.207±0.002(d-1).Itwasresistanttopollutionandcouldbeharvestedinaneasyway.Itwasrelativelyhighinlipidcontent(20.08%±0.67%ofdryweight)andthecombinedamountofits16:0and16:1(n-7),themostsuitableresourceofbiodiesel,wasashighas64%ofthetotalfattyacids,whiletheamountofpolyunsaturatedfattyacidsreached19.96%–20%ofthetotalfattyacids.ThusthepurifiedC.closteriumcanbeculturedasabiodieselproduceroranutritionsupplementproducer.

简介：Assetallocationisanimportantissueinfinance,andbothriskandreturnareitsfundamentalingredients.Ratherthanthereturn,themeasureoftheriskiscomplicatedandofcontroversy.Inthispaper,weproposeanappropriateriskmeasurewhichispreciselyaconvexcombinationofmeansemi-deviationandconditionalvalue-at-risk.Basedonthisriskmeasure,investorscantrade-offflexiblybetweenthevolatilityandthelosstotackletheincurringriskbychoosingdifferentconvexcoefficients.Asthepresentedriskmeasurecontainsnonsmoothterm,theassetallocationmodelbasedonitisnonsmooth.Toemploytraditionalgradientalgorithms,wedevelopauniformsmoothapproximationoftheplusfunctionandconvertthemodelintoasmoothone.Finally,anillustrativeempiricalstudyisgiven.Theresultsindicatethatinvestorscancontrolriskefficientlybyadjustingtheconvexcoefficientandtheconfidencelevelsimultaneouslyaccordingtotheirperceptions.Moreover,theeffectivenessofthesmoothingfunctionproposedinthepaperisverified.

简介：ＮＯＴＥＳ　ＯＮ　ＦＩＮＩＴＥ　ＥＬＥＭＥＮＴ　ＭＥＴＨＯＤ　ＡＮＤ　ＩＴＳ　ＧＥＮＥＲＡＬＩＺＡＴＩＯＮＮＯＴＥＳＯＮＦＩＮＩＴＥＥＬＥＭＥＮＴＭＥＴＨＯＤＡＮＤＩＴＳＧＥＮＥＲＡＬＩＺＡＴＩＯＮ￥Ｌ．Ｔａｏ（ＩｎｓｔｉｔｕｔｅｏｆＭｅｃｈａｎｉｃ...

简介：Thearticleintroducesradontransformofimageaswellasamethodtocalculategeometricmomentsunderradontransform.Bymakinguseoftheanti-interferencecharacterofRadontransform,thispaperpresentsamethodofextractingimage'smomentfeature,whichcangetamomentfeaturematrixofimageunderRadontransform,aswellasamethodtorecognizeimagebyusingtheSVofthismatrix.

简介：RigidFiniteElementMethod(RFEM)wasproposedtosimulatethemechanicalbehaviorofdiscontinuousstructuressuchasrockandsoilstructures.Theauthors’workonthetheoryandapplicationsofRFEMissummarizedinthispaper.BasedonthetheoryofRFEM,theElasticBody-SeamsModel(EBSM)isproposedtotakethedeformationanddamageofrockmassesintoaccount.

简介：Monitoringandstudyofdynamiccharacteristicsofgroundwateraresignificantmethodsofearthquakemonitoringandforecasting.Forresearchongroundwaterdynamics,groundwaterdatingcanqualitativelyandquantitativelyprovidescientificanalysisonthecharacteristicsofgroundwaterrechargeandrunoffaswellasrenewalcapacity.Thisarticleillustratesthemethodsusedgloballyandsummarizesthemainadvancesandachievementsingroundwaterdating.Italsofocusesontherelationshipsbetweengroundwaterrenewalcapacityandseismicmonitoring,groundwatermovementandseismicactivity,shallowgroundwaterrechargeandabnormalinterferenceelimination.Thestudiesshowthatgroundwaterdatingplaysanimportantroleinwater-rockinteraction,andgeologicaltectonicandseismicactivityevaluation.Therefore,groundwaterdatingcanbewidelyusedtomonitorandanalyzetheprecursorinformationinseismicundergroundfluidobservationsinthenearfuture.

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简介：Inthispaper,wedefineSumudutransformwithconvergenceconditionsinbicomplexspace.Also,wederivesomeofitsbasicpropertiesanditsinverse.ApplicationsofbicomplexSumudutransformareillustratedtofindthesolutionofdifferentialequationofbicomplex-valuedfunctionsandfindthesolutionforCartesiantransverseelectricmagnetic(TEM)wavesinhomogeneousspace.

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简介：WiththehelpofCCDimages,therealizationofhighprecisionpo-sitioningandmeasurementhasbecomethebasicstandardformachinevisionandrealtimephotogrammetrysystems.However,deformationandothersortsofdegradationoccurringduringtransmissionaremajorlimitingfactorsofthepreci-sionattainablewithmostcurrentCCDcamerasandframegrabbers.SoapreciseradiometricandgeometrictransmissionofimagesfromCCDsensortomemoryisafundamentalaspectofCCDcameracalibration.Thegeometriccalibrationsystem,whichusessomeimageprocessingalgorithmsoftheCCDcamerabasedonthere-searchedanddevelopedsystemisdiscussed.Thereliabilityandvalidityarealsodiscussed.TheexperimentalresultsforthecalibrationoftheCCDarraywillbetakenasanimportantqualityindexforCCDevaluation.

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简介：ＳＴＵＤＩＥＳＯＮＣＨＩＴＯＳＡＮＡＮＤＩＴＳｐＨ－ＲＥＳＰＯＮＳＩＢＩＬＩＴＹＳｕｎＤｕｏｘｉａｎ，ＷｕＳｈｕｉｚｈｕ（ＤｅｐａｒｔｍｅｎｔｏｆＡｐｐｌｉｅｄＣｈｅｍｉｓｔｒｙＴｉａｎｊｉｎＵｎｉｖｅｒｓｉｔｙ，Ｔｉａｎｊｉｎ，３０００７２，Ｃｈｉ...

简介：Thepaper,basedontheconceptandtheelementsofhumanresourceecosystem(HREcosystem),studiesthefunctionandstructureofHREcosystem,introducestheentropytheorytodefinethecontentofentropyofHREcosystem,constructsthecorrespondingdistinctivemodeltodistinguishthedirectionoftheevolutionofHREcosystemandtheevolutionaryentropymodel,andappliesthemodelstodemonstratetheevolutionaryrulesofHREcosystem.ThestudyshowsthattheentropytheorycanbewellappliedtotheanalysisonHREcosystemandthatitopensupanewfieldintheresearchofhumanresourcemanagementandprovidesaneweffectivetechnicalmethod.