简介:GrowingevidenceindicatesthattheAsianmonsoonplaysanimportantroleinaffectingtheweatherandclimateoutsideofAsia.However,thisactiveroleofthemonsoonhasnotbeendemonstratedasthoroughlyashasthevariabilityofthemonsooncausedbyvariousimpactingfactorssuchasseasurfacetemperatureandlandsurface.ThisstudyinvestigatestherelationshipbetweentheAsianmonsoonandtheclimateanomaliesintheAsian-Pacific-American(APA)sector.Ahypothesisistestedthatthevariabilityoftheupper-troposphericSouthAsianhigh(SAH),whichiscloselyassociatedwiththeoverallheatingofthelarge-scaleAsianmonsoon,islinkedtochangesinthesubtropicalwesternPacifichigh(SWPH),themidPacifictrough,andtheMexicanhigh.ThechangesinthesecirculationsystemscausevariabilityinsurfacetemperatureandprecipitationintheAPAregion.AstrongerSAHisaccompaniedbyastrongerandmoreextensiveSWPH.TheenlargementoftheSWPHweakensthemid-Pacifictrough.Asaresult,thesouthernportionoftheMexicanhighbecomesstronger.Thesechangesareassociatedwithchangesinatmosphericteleconnections,precipitation,andsurfacetemperaturethroughouttheAPAregion.WhentheSAHisstronger,precipitationincreasesinsouthernAsia,decreasesoverthePacificOcean,andincreasesovertheCentralAmerica.PrecipitationalsoincreasesoverAustraliaandcentralAfricaanddecreasesintheMediterraneanregion.Whilethesignalsinsurfacetemperatureareweakoverthetropicallandportion,theyareapparentinthemidlatitudesandovertheeasternPacificOcean.
简介:Inthispaper,thecharacteristicsofeasternAsianduststormareexaminedwithemphasisonthesatellitemeasurementsofaerosolopticalthickness.Thereflectivityofsolarradiationfromtheearth’satmospheredependsontheopticalthickness.Thesatellitemeasurementofradianceofsunlight,scatteredbytheearthanditsatmosphere,isusedtoderivethepropertiesofaerosolonoceanicsurfaces.Thispaperinvolvesthefollowing:(1)investigationofthemeasurementofduststormovertheoceanicsurfacebyGMSsatellite;(2)investigationofthemeasurementofduststormoverthelandsurfacebyground-basedinstrumentssuchasactinometer,lidar,etc.;(3)forcomparison,derivinganatmosphericaerosolsizedistributionovertheoceanicsurfaceofcalmweatherthroughmeasurementsofNOAAsatellite;and(4)theweatherprocessanditsmassloadofeasternAsianduststorm.
简介:NotesOntheTwelfthAsianGamesBystaffreporterCHAIRUIKANG''PhysicalculturedevlopsfasterinAsia,andatmostoftheOlympiceventsAsianath...
简介:GENERALTheAsianJournalofAndrologyistheofficialpublicationoftheAsianSocietyofAndrology,andissponsoredbytheShanghaiInstituteofMateriaMedica.ChineseAcademyofSciences.TheJournalhasbeenincludedin11internationalindexingsystems,includingBIOSIS,CABAbstracts,CABHealth,ChemicalAbstracts,CurrentContents/ClinicalMedicine,EMBASE,IndexMedicus,MEDLINE,PASCAL,ResearchAlert,andSCIExpanded.TheImpactFactoris1.302andtheJournalranksthirdamonginternationalandrologyjournals.TheJournalinvitesconcisereportsoforiginalresearchinallareasofandrology,bothexperimentalandclinical,includingmodern,traditionalandepidemiologicalstudies,fromanypartoftheworld.ReviewarticleswillbepublishedbyinvitationfromtheEditor-in-Chief,butmini-reviews(nomorethan4printedpages)basedprimarilyonauthors'ownresearchoninternationallyimportanttopicsareaccepted.Shortcommunicationsandletterstotheeditorarealsowelcome.Authorsarerequestedtosubmitacoveringletterindicatingthattheirmanuscriptrepresentsoriginalunpublishedmaterialthathasnotbeenandwillnotbepublishedelsewhere(ifaccepted).Thisrestrictiondoesnotapplytoresultspublishedasabstractsofcommunications,letterstotheeditororaspreliminaryreports.Bysubmittingamanuscripttheauthorswarrantthattheyhaveobtainedpermissiontouseanycopyrightedorpreviouslypublishedmaterial.Authorsmustdeclareanyfinancialsupportorrelationshipsthatmayposeconflictofinterest.Copyright
简介:Aim:TopresentapersonalaccountoftheinvolvementoftheWorldHealthOrganization(WHO)inthecollaborativedevelopmentinAsiaofthoseareasofandmlogyconcernedwithmalecontraceptionandreproductivehealth.Methods:TheandrologytrainingthroughworkshopsandinstitutionsupportundertakenbytheWHOHumanReproductionProgramme(HRP)andhowtheycontributedtothestrengtheningofaudrologyresearchinAsiaaresummadsed.Results:Theauthor'sexperienceandtheAsianscientificcontributionstotheglobalresearchinthefollowingareasarereviewed:thesafetyofvasectomyandthedevelopmentofnewmethodsofvasocclusion;gossypolanditsfailuretobecomeasafe,reversiblemaleantifeltilitydrug;Tripterygiumandwhetheritspuleextractswillpassypolthroughtheappropriatetoxicologyandphasedclinicalstudiestobecomeacceptablecontraceptivedrugs;hormonalmethodsofcontraceptionformen.Conclusion:TheWHOpolicyofresearchcapacitybuildingthroughtrainingandinstitutionstrengthening,togetherwiththecollaborationofAsianandrologists,hascreatedstrongNationalinstitutionsnowabletodirecttheirownprogrammesofresearchinclinicalandscientificandrology.(AsianJAndrol1999Jun;1:7-12)
简介:I.Post-ColdWarSecuritySituationintheAsia-PacificAstheColdWarwitheredaway,thebi-polarconfrontationintheAsia-Pacificfinallycametoanend.Militaryconfrontation,thepreviousdominatingfac-torintheregion’sinternationalrelations,hasgivenplacetoeconomiccompetitionandcooperation.Forthatreason,countriesintheregionnowdisplayunprecedent-edinterestintheAsian-Pacificmulti-lateralsecuritydialogues(APMSD),hopingthattheymightcreateanenvironmentfavorabletotheireconomicdevelopment.Takingasawhole,theAsian-Pacificsecuritysituationhasbeenremarkably
简介:Thecross-fertilizationbetweenartificialintelligenceandcomputationalfinancehasresultedinsomeofthemostactiveresearchareasinfinancialengineering.Onedirectionistheapplicationofmachinelearningtechniquestopricingfinancialproducts,whichiscertainlyoneofthemostcomplexissuesinfinance.Intheliterature,whentheinterestrate,themeanrateofreturnandthevolatilityoftheunderlyingassetfollowgeneralstochasticprocesses,theexactsolutionisusuallynotavailable.Inthispaper,weshallillustratehowgeneticalgorithms(GAs),asanumericalapproach,canbepotentiallyhelpfulindealingwithpricing.Inparticular,wetesttheperformanceofbasicgeneticalgorithmsbyusingittothedeterminationofpricesofAsianoptions,whoseexactsolutionsisknownfromBlack-Scholesoptionpricingtheory.Thesolutionsfoundbybasicgeneticalgorithmsarecomparedwiththeexactsolution,andtheperformanceofGAsisewluatedaccordingly.Basedontheseewluations,somelimitationsofGAsinoptionpricingareexaminedandpossibleextensionstofutureworksarealsoproposed.
简介:Theobjectivesofthisresearchweretocharacterisetheclaymineralscompositionofsoil-deriveddustinNorthernChinaandtosetupamineralogicalsignaturetotracetheirorigin.MineralcompositionofaerosolparticleswasinvestigatedatAksu,Dunhuang,Yulin,TongliaoandChangwuduringanintensivefieldcampaignperiodofACE-Asia.Theresultsshowthatthekaolinite(K)tochlorite(C)ratioissensitivetotheregionaloriginofAsiandust.Westernsourceareas(representedbyAksu)displayedthelowestK/Cratioof0.3(average),whileitwasfoundtoincreaseupto0.70(average)uponmovingtowardsnorthernsourceareas(representedbyYulin).BystudyingtransporteddustinadepositionarearepresentativeoftheChineseLoessPlateau,theusefulnessoftheK/Cratio,whenassociatedwithbackair-masstrajectories,wasfoundtolieinrevealingtheoriginofthedust.ComparisonofthemineralogicaldatabetweenAsiandustandSaharadust,showsthattheK/Cratioisalsoaneffectivesignaturetoidentifythesourceareasonahemispherescale.
简介:RegionalinternationalcooperationinseismicdataexchangeandjointseismologicalanalysisintheAsian-Pacificregionsplaysanimportantroleinthereductionofearthquakedisastersintheseregionsaswellasthedevelopmentofglobalseismology.Basedontheup-to-datedevelopmentofnewtechnologyanddigitalbroadbandseismology,wediscussedtheAsianseismologicalCommission(ASC)Proposal"Asian-PacificSeismologicalDataCenter",Weappliedtheconceptofvirtualseismologicalnetwork(OttemoellerandHavskov,1999)totheproposedASCdataexchangeprogram.Basedonthedevelopmentofdigitalseismology,weintroducedaconceptof"modernearthquakecatalogues"whichincludenotonlylocationparametersandmagnitudesasintheconventionalearthquakecataloguesbutalsonewparametersofearthquakessuchasCMT,radiatedenergy,STF,andearthquakeruptureprocess,WerecommendedawebbasedregionalinternationaldataexchangeprogrambetweentheASCmemberswiththepurposeofformingavirtualAsian-Pacificseismologicalnetwork,andtheinterpretationandanalysisofbroadbanddigitalseismicwaveformsconductedatdistributed"datacenters".