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简介:Hereweexploresomefundamentalaspectsofwhatmaybetermedasanewarithmeticfunction(definednotionallyastheTfunction)togetherwithitspossibleinverse(TI),asitisnotinfrequentdiscussionamongthenumbertheorists.
简介:The2016revisionofthe“ChineseGuidelinesonPreventionandTreatmentofDyslipidemiainAdults”istheoutcomeofthejointeffortsofthemembersofanexpertpanelformorethan1year,andisbasedonthe2007guidelines.Thereisnodoubtthatthereleaseofthe2007guidelinesgreatlyfacilitatedthemanagementofdyslipidemiaandthepreventionandtreatmentofatheroscleroticcardiovasculardiseases(ASCVDs)inChina.However,anupdateoftheguidelinesforthemanagementofdyslipidemiainChineseadultsisurgentlyneededsincehugechangeshaveoccurredintheconceptsofdyslipidemiaresearchandcontrolduringthelastdecade.
简介:ThispaperrecordsfortheHamiltonianH=1/2|P|^2+W(x)someoldandnewidentitiesrelevantforthePDE/variationalapproachtoweakKAMtheory.
简介:Opticalmicrocavitieshaveattractedtremendousinterestinbothfundamentalandappliedresearchinthepastfewdecades,thankstotheirsmallfootprint,easyintegrability,andhighqualityfactors.Usingtotalinternalreflectionfromadielectricinterfaceoraphotonicbandgapinaperiodicsystem,thesephotonicstructuresdonotrelyonconventionalmetal-coatedmirrorstoconfinelightinsmallvolumes,whichhavebroughtforthnewdevelopmentsinbothclassicalandquantumoptics.Thisfocusissueshowcasesseveralsuchdevelopmentsandrelatedfindings,whichmaypavethewayforthenextgenerationofon-chipphotonicdevicesbasedonmicrocavities.
简介:ThisworkpresentsabriefintroductiononthreekindsofnewlydevelopedNd3+-dopedlaserglassesinShanghaiInstituteofOpticsandFineMechanics(SIOM),China.TwoNd3+-dopedphosphateglasseswithlowerthermalexpansioncoefficientandthermalshockresistance4timeshigherthanthatofN31glassaredevelopedforlaserprocessing.Nd:SilicateandNd:Aluminateglasseswithpeakemissionwavelengthat1061and1065nm,effectiveemissionbandwidthof34and50nm,respectively,aredevelopedforExawatt-classlasersystemapplication.Fluorophosphateglasseswithlownonlinearrefractiveindex(n2=0.6-0.86)andlongfluorescencelifetime(430-510μs)areinvestigatedforthepurposeofdecreasingBintegralinhigh-powerlasersystem.Thepropertiesofalltheseglassesarepresentedandcomparedwiththoseofcommercialneodymiumlaserglasses.