简介：ＮＵＭＥＲＩＣＡＬ　ＳＩＭＵＬＡＴＩＯＮ　ＯＦ　ＦＬＯＷ　ＦＩＥＬＤ　ＯＦ　Ａ　ＲＩＶＥＲ　ＷＩＴＨ　ＣＯＭＰＬＩＣＡＴＥＤ　ＢＯＵＮＤＡＲＹＳＮＵＭＥＲＩＣＡＬＳＩＭＵＬＡＴＩＯＮＯＦＦＬＯＷＦＯＬＤＯＦＡＲＩＶＥＲＷＩＴＨＣＯＭＰＬＩＣＡＴＥＤＢ...

简介：多种的技术广泛地作为提高有用信号并且压制噪音干扰极大地增加信号到噪音比率(S/N)的一个方法在地震探索被使用。作者把它介绍给渗透地面的雷达(GPR)调查并且把试验性的结果比作常规介绍方法为GPR表明这种技术的可行性和优点探索。基于试验性的数据，作者总结GPR波浪繁殖规则和多种的获得的参数并且处理。是一次有用尝试充实GPR调查技术被证明。

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简介：Thepurposeofthispaperistoinvestigatethemacroeconomiceffectofpollutionemissioninanoverlappinggenerationsystem.Thisisdonethroughconstructinganendogenouseconomywhichgeneratespollutionandenvironmentdeterioration.Itshowshowdifferentlevelofpollutionemissioncouldcausecomplexitysuchasfoldbifurcationinthissystem.Inaddition,numericalsimulationsareprovidedtoshowtheemergencyofcomplexity.

简介：TheJinpingorogenicbeltinSichuan,ChinaconsistsmainlyoftheJinpingshanintracontinentalthrust-nappebelt,forelandthrust-nappebeltandforelandupliftbelt.Basedonanalysesaboutthecharacteristicsofthestructuralunitsinthisarea,theauthorsproposeinthispaperthatChapuzi-Bazherevivalfaultbeltistheregionalboundaryfault,andpointsoutthataftertheformationofthePre-Sinianbasement,thewesternedgeoftheYangtzeparaplatformwasturnedintothepassivecontinentalmargininSiniantoTriassic,thenintotheMesozoiccollisionorogenicbelt,andfinallyintotheCenozoicorogenicbeltthroughintracontinentalorogeny.

简介：ThetherapyofUBI(TheUltravioletirradiationoxygenateBloodItself-transfu-sion)isusedtotreat69casesofthepatientswithcerebralinfarctionwhichareallprovedtobecerebralinfarctionbythescanningofCT.TheeffectsofUBIonthenailfoldmicrocirculationofthepatientswerestudiedwith“WeightedMultipleScoreofthenailfoldmicrocirculation”workedoutbythemicrocirculationalspecialgroupP.L.A.Comparedwiththesameagedhealthyperson,theMultiplescoreofthenail

简介：Asimpleandeffectivegreedyalgorithmforimageapproximationisproposed.Basedonthematchingpursuitapproach,itischaracterizedbyareducedcomputationalcomplexitybenefitingfromtwomajormodifications.First,ititerativelyfindsanapproximationbyselectingMatomsinsteadofoneatatime.Second,theinnerproductcomputationsareconfinedwithinonlyafractionofdictionaryatomsateachiteration.Themodificationsareimplementedveryefficientlyduetothespatialincoherenceofthedictionary.Experimentalresultsshowthatcomparedwithfullsearchmatchingpursuit,theproposedalgorithmachievesaspeed-upgainof14.4～36.7timeswhilemaintainingtheapproximationquality.

简介：Inthispaper,atheoreticalformulaispresentedtopredicttheinstantaneousfoldingforceofthefirstfoldcreationinsquareandrectangularcolumnsunderaxialloading.Therectangularcolumnisasmallandsinglemodelofhoneycombswithsquareorrectangularcells.CalculationsarebasedontheanalysisoftheBasicFoldingMechanism(BFM).Forthispurpose,sumofthedissipatedenergyrateunderbendingaroundhorizontalandinclinedhingelinesandthedissipatedenergyrateunderextensionaldeformationswasequaltotheworkrateoftheexternalforceonthestructure.Thefinalformulaobtainedinthisresearch,reasonablypredictstheinstantaneousfoldingforceofsingle-cellsquareandrectangularhoneycombsinsteadoftheaveragevalue.Finally,accordingtothecalculatedtheoreticalrelation,theinstantaneousfoldingforceofthefirstfoldcreationinasquarecolumnwassketchedversusfoldingdistanceandcomparedtotheexperimentalresults,whichshowedagoodcorrelation.

简介：ThisletterpresentsanewchunkingmethodbasedonMaximumEntropy(ME)modelwithN-foldtemplatecorrectionmodel.Firsttwotypesofmachinelearningmodelsaredescribed.Basedontheanalysisofthetwomodels,thenthechunkingmodelwhichcombinestheprofitsofconditionalprobabilitymodelandrulebasedmodelisproposed.Theselectionoffeaturesandruletemplatesinthechunkingmodelisdiscussed.ExperimentalresultsfortheCoNLL-2000corpusshowthatthisapproachachievesimpressiveaccuracyintermsoftheF-score:92.93%.ComparedwiththeMEmodelandMEMarkovmodel,thenewchunkingmodelachievesbetterperformance.

简介：ByapplyinghigherpowersoftheBogoliubovtransformationoperatorb^t=u^*a+μ^*a^ttothetwo-photoncoherentstates(orminimumuncertaintysqueezedstates)weconstructanewtypeofquantumstatewhichwecallthegeneralizedexcitedtwo-photoncoherentstates.Analyticexpressionsforthequantumstatisticalpropertiesarederived,andthroughnumericalcomputationthephasespacequasi-probabilitydistributionsarefound.Thesestatescanexhibithighlynonclassicalbehaviourdependingonthedegreeofexcitationmandotherparameters.ForparticularvaluesoftwoparametersAandp,thesegeneralizedstatesreducetootherclassesofcoherentstatesformerlyreported.Ourtheorythuspresentsamuchbroaderapproachtothesetypesofquantumstates.

简介：Thenecessaryandsufficientconditionsfortheexistenceofsimpleincompleteblockdesign(v,w;4,2)-IPBDsaredetermined.Asaconsequence,thenecessaryandsufficientconditionsfortheembeddingsofsimpletwo-foldbalancedincompleteblockdesignswithblocksize4arealsodetermined.

简介：Thethree-dimensional(3D)structurepredictionofproteinsisanimportanttaskinbioinformatics.Findingenergyfunctionsthatcanbetterrepresentresidue-residueandresidue-solventinteractionsisacrucialwaytoimprovethepredictionaccuracy.Thewidelyusedcontactenergyfunctionsmostlyonlyconsiderthecontactfrequencybetweendifferenttypesofresidues;however,wefindthatthecontactfrequencyalsorelatestotheresiduehydrophobicenvironment.Accordingly,wepresentanimprovedcontactenergyfunctiontointegratethetwofactors,whichcanreflecttheinfluenceofhydrophobicinteractiononthestabilizationofprotein3Dstructuremoreeffectively.Furthermore,afoldrecognition(threading)approachbasedonthisenergyfunctionisdeveloped.Thetestingresultsobtainedwith20randomlyselectedproteinsdemonstratethat,comparedwithcommoncontactenergyfunctions,theproposedenergyfunctioncanimprovetheaccuracyofthefoldtemplatepredictionfrom20%to50%,andcanalsoimprovetheaccuracyofthesequence-templatealignmentfrom35%to65%.

简介：WeconsiderthebifurcationofsingularpointsnearadoublefoldpointinZ2-symmetricnonlinearequationswithtwoparameters,wherethelinearizationhasatwodimensionalnullspacespannedbyasymmetricnullvectorandanami-symmetricnullvector.Inparticular,weshowtheexistenceofaturningpointpathandapitchforkpointpathpassingihroughthedoublefoldpointandtheyaretheonlysingularpointsnearby.Theirnondegeneracyisconfirmed.Asupportingnumericalexampleisalsoprovided.Themaintoolsforouranalysisaswellasthecompulationaresomeextendedsystems.

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简介：Forty-twocasesofcervicalspondylopathyweredividedintoacupunctureandmassagegroups.Thetherapeuticeffectswereobservedcomparatively,andthechangesofnail-foldmicrocirculationofpatientsbeforeandaftertreatmentwereobservedatthesametime.Theresultsshowedthattheeffectiveratesoftwogroupswereall100%,nodifferencebetweenthem.Thenailfoldmicrocirculationoftwogroupswasmarkedlyamelioratedaftertreatment,andnosignificantdif-ferencebetweenthemeither.

简介：TheFomopeagraniticplutonisemplacedingnessicandamphiboliticbasement.Thesegneissicandamphiboliticbasementrocksarerepresentedinthepluton'sbodyassub-rounded,elongatedorstretchedxenoliths.Amphiboliticxenolithsdisplaytestimoniesoftwomaintectoniceventsnamely:(i)E1flatteningdeformationeventcharacterizedbyaNW-SEtoE-Wfoliationwithabestpoleat246/57andamineralstretchedlineationwithabestlineat293/47;and(ii)E2compressiveeventtypifiedby(1)N-StoNNE-SSWsteeplydippingfoliation;(2)S-typeflexion-foldindicatingasinistralshearmovement.Theseamphiboliterocksindicateamagneticsusceptibilitymagnitude(Km)rangefrom418μSIto90092μSIfor87%ofthestationsshowingaferromagneticbehavior.K-TcurvesrevealthepresenceofTi-poormagnetiteassusceptibilitymineralcarrier.MagneticfoliationandlineationsuggestthattheN-SstrikedirectionobservedintheBamendouamphiboliteis,aspointedoutelsewhereintheCentralAfricanFoldBelt,ofparamountimportanceinthetectonicevaluationoftheFomopeaarea,sinceithasmostlikelyactedasmajordeformationphaseinthesecondtectoniceventinthebelt.

简介：Objective:ToinvestigatewhethervitaminDreceptorgene(VDR)BsmI-rs1544410andFokI-rs2228570polymorphisms,smokingduration,andbodymassindex(BMI)areriskfactorsforcutaneousmelanoma,especiallymetastaticmelanoma.Methods:Westudied120cutaneousmelanomacases[68stageIandIInon-metastaticmelanoma(NMetM)patients,plus52StageIIIandIVmetastaticmelanoma(MetM)patients],and120matchinghealthycontrolsfromnortheastItaly.VDRpolymorphismsweremeasuredbyrestrictionfragmentlengthpolymorphismanalysis.AbsenceorpresenceofBsmIandFokIrestrictionsiteswasdenotedby'B'and'F'orby'b'and'f,'respectively.Results:VDR-BsmIbbgenotypewasmorefrequentamongMetM(32.7%)thanamongNMetMcases(13.2%),withoddsratio(OR)=3.18.Comparisonofallmelanomapatientsvshealthycontrolsshowedthatthefollowingbiomarkerswereatrisk:≥20yearsofsmoking(OR=2.43);≥20yearsofsmokingcombinedwithbb(OR=4.78),Bb+bb(OR=2.30),Ff(OR=3.04),andFf+ff(OR=3.08);obesity(BMI>30Conclusions:RiskfactorsforcutaneousMetMincludetwoVDRpolymorphismscombinedwithsmokingdurationandobesity.Resultssuggestgene-environmentimplicationsinmelanomasusceptibilityandseverity.Futurestudiesinlargercohortsandinsubjectswithdifferentgeneticbackgroundarewarrantedtoextendourfindings.