简介：<正>ThetruncationequationforthederivativenonlinearSchrodingerequationhasbeendis-cussedinthispaper.TheexistenceofaspecialheteroclinicorbithasbeenfoundbyusinggeometricalsingularperturbationtheorytogetherwithMelnikov’stechnique.

简介：让Bp，1p<，是从Lp的所有围住的功能的空间()它能被扩大到指数的类型的全部功能。没有腐烂假设，为截断的Whittaker-Kotelnikov-Shannon系列的一致错误界限在无穷为功能fBp基于本地采样被导出。然后aliasing错误和为从Sobolev类U的non-bandlimited函数的Whittaker-Kotelnikov-Shannon扩大的截断错误的最佳的界限(Wpr())被决定直到一个对数的因素。

简介：Recentstudiesonassessmentofaverylowannualprobabilityofexceeding(APE)groundmotions,10-4orless,havehighlightedtheimportanceoftheupperboundofgroundmotionswhenverylowprobabilityresultsareacquired.Thetruncationleveladoptedinprobabilisticseismichazardanalysis(PSHA)shouldbedeterminedbyanaleatoryuncertaintymodel(i.e.,distributionmodel)ofgroundmotionsandthepossiblemaximumandminimumgroundmotionvaluesofaspecificearthquake.However,atthepresenttime,itisimpossibletoestablishtheupperboundmodelforgroundmotionsbasedonthesourcecharacteristicsand/orgroundmotionpropagation.McGuiresuggestedatruncationlevelbefixedatanumberof=6,orthedistributionofresidualsbetruncatedinsuchamannerthatsiteintensitycannotbegreaterthantheepicenterintensity.ThisstudyaimstofindareasonableandfeasibletruncationleveltobeusedinPSHAwhenthephysicalmechanismisnotavailabletofindtheextremegroundmotion.AmathematicalanalysisoftheinfluenceofthetruncationlevelonPSHA,casestudiesofsitesindifferentseismotectonicsettings,andadistributionanalysisofgroundmotionresidualsareconductedinthisstudy.Itisconcludedthat=4istheminimumacceptablevalueforengineeringapplicationsforAPEswithin0.002to10-4,andforlowAPEs,suchas10-5and10-6,thevalueofshouldbenolessthan5inmostregionsofChina.

简介：BasedontheanalysisofthespuriousintroducedbyphaseaccumulationtruncationwhichwasmadebyNicholas,anewsimplifiedalgorithmforspuriousspectruminthepresenceofphasetruncationispresentedbyusingthemappingmathematicsandnumbertheoreticmethod,itispossibletopreciselyanalyzethespuriouslocationandthespuriousamplitudeintroducedbyphasetruncationinpracticalapplicationsbycomputer.

简介：AIM:Tomakecomprehensivemoleculardiagnosisforretinitispigmentosa（RP）patientsinaconsanguineousHanChinesefamilyusingnextgenerationsequencingbasedCapture-NGSscreentechnology.METHODS:Afive-generationHanChinesefamilydiagnosedasnon-syndromicX-linkedrecessiveRP（XLRP）wasrecruited,includingfouraffectedmales,fourobligatefemalecarriersandelevenunaffectedfamilymembers.Capture-NGSwasperformedusingacustomdesignedcapturepanelcovers163knownretinaldiseasegenesincluding47RPgenes,followedbythevalidationofdetectedmutationusingSangersequencinginallrecruitedfamilymembers.RESULTS:Capture-NGSinoneaffected47-year-oldmalerevealsanovelmutation,c.24172418insG:p.E806fs,inexonORF15ofRPGTPaseregulator（RPGR）generesultsinaframeshiftchangethatresultsinaprematurestopcodonandatruncatedproteinproduct.Themutationwasfurthervalidatedinthreeoffouraffectedmalesandtwooffourfemalecarriersbutnotintheotherunaffectedfamilymembers.CONCLUSION:Wehaveidentifiedanovelmutation,c.24172418insG:p.E806fs,inaHanChinesefamilywithXLRP.OurfindingsexpandthemutationspectrumofRPGRandthephenotypicspectrumofXLRPinHanChinesefamilies,andconfirmsCapture-NGScouldbeaneffectiveandeconomicapproachforthecomprehensivemoleculardiagnosisofRP.