简介:Thekeytosurvivalforanyconte-mporarybrandiscrossover,andwhenyourbrandisalifestylethatexpressesitselfinclothing,music,andart,thenfindinganoutletthattraverseseveryleveliscrucial.
简介:Duringtheperiodof1999~2002,theChineseseismologistsmadeaseriousofdevelopmentsinthestudyonseismicsourcesincludingobservations,experimentsandtheory.Inthefieldofobservation,themethodsoftheaccuracylocationofearthquakesources,theinversionofseismicmomenttensorandthemechanismofearthquakesourceareimprovedanddeveloped.Alotofimportantearthquakeeventsarestudiedbyusingthesemethods.Theruptureprocessesoftheseeventsareinvertedandinvestigatedcombinedwiththelocalstressfieldsandthetectonicmomentbyusingthemeasurementsofsurfacedeformation.Inthefieldsofexperimentsandtheory,manydevelopmentsareobtainedincauseofseismicformation,conditionofstressandtectonics,dynamicsofearthquakerupture,rockfractureandnucleationofstrongearthquakes.
简介:Progress of IMP Laser Ion SourceProgressofIMPLaserIonSource¥ZhaoZhizheng;YangYongfengandCaiXichenLotsOfprogressesofIMPlaserio...
简介:Recordingsofseismicwavespropagatingfromearthquakesourcetoastationattheearth'ssurfaceareasystemresponsefunction.Theconvolutionoperatorintimedomaincanbesimplifiedasamultiplicationoperatorinfrequencydomain.Wediscussinfrequencydomaintheseparationofsource,pathandsiteeffectsforglobalscalingofearthquakesourceradiation.Alsodiscussedaresourcescalingmodel,faultingmechanism,andtheH/Vinversionproblemswithcrustalandnearsurfacestructures.Grossfeaturesofapparentsourcespectraappeartobenotmuchregion-dependentalthoughtheremaybedifferencebetweentectonicstyleswithinaregionoftectonicmixtureforwhichweneedfurtherstudyasdataaccumulate.Verticalspectramaybeabetterapproachtoapproximatesourceradiation,asithaslesscrustalamplificationeffectsthanhorizontalspectra.TheH/Vratioisevidentlyacomprehensiveindicatorofamplificationeffectsfromnearsurfacetodeepstructure.Thisgivesitpotentialasaninversiontooltodeducesitecrustalstructure.
简介:Thispaperdiscussesthediscriminationprinciples.deductionandmethodsforprobingintothesourcecompositionofmantle-derivedmagma.Themagmatophile(incompatible)sourceelementsarenotalloptimaltracersformantlesourcecomposition.Theratiosoftwostrongmagmatophileelements(D<1)ortheratiosoftwotraceelementswiththesameDvaluearenotcontrolledbytheformationmodeandevolutiondegreeofamagma,butmaintainthecharacteristicsoftheircompositioninmantlesourceregionpriortothemagmaformation.Theratiosarerelatedtodifferentmantle-cruststructuresanddynamics.ThemantlesourcecompositionoftheEmeishanBasaltseriesissimilartothatoftheSouthAtlanticRioGrandeRise-WalvisRidgeBasaltsandBrazilcontinental-marginbasalts.Thismayindicatethatthesebasaltseriesmighthavesimilarsourceregionsandtectonicenvironments.
简介:In1970,duringtheexcavationsintheareaoftheGreatTempleofBoghazkǒy(theLowerCity)acuneiformtabletwasfoundthatatonceattractedtheattentionofHittitologists.Thistablet(Bo70/10,KBoXXII2)istheOldHittiteoriginal,writtenintheoldductus,ofKBoIII38(=2BoTU13).Thelatter,knownfromtheautographofM.H.Figulla(1918),isaNewHittitecopywithaverycharacteristicductusandapreferenceforAkkadianformswheretheOldHittiteversionusesHittitewordsor,moreseldom,Sumerograms.Thetext,knownasTheLegendabouttheQueenofKanisandtheCityofZalpa,waspublishedintransliterationandwithacommentarybyH.Otten(1973).
简介:Theinversescatteringproblemsaretodetectthepropertyofobstaclesfromthemeasurementsoutsidetheobstacles.Oneofimportantresearchareasinthistopicistherecoveryofboundarypropertyforimpenetrableobstacles.Inthispaper,wewouldliketogiveabriefreviewabouttherecentlydevelopedsingularsourcemethods.Therearethreedifferentmethodsinthiscategory,namely,linearsamplingmethod,pointsourcemethodandprobemethod.Wealsopresentsomerecentnewresultsabouttheprobemethod.
简介:Forwaterandsoilconservationandwaterpollutioncontrol,itisveryimportanttosimulateandpredicttheloadofsedimentandpollutantduringstorm-runoff.Onthebasisofanalyzingthesimultaneousmeasurementsofflow,sedimentandpollutantsobservedatwatershedoutlet,apracticalsedimentyieldmodelisdevelopedbystandardizingtheloadrate.Theresultsshowthatthestandardizedpollutantyieldequalseffectiverainfallandtheprocessofeffectiveloadyieldisthesameaseffectiverainfallhyetograph.Comparisonwithmeasureddatashowthatthismodelisapplicabletovariouspollutants.