简介:ThispaperreportsthephotochemicaldegradationofMethyleneBlue(MB)innaturalseawater(NSW).Thephotode-gradationreactionconformedtothefirst-orderreactionkineticswiththerateconstant0.0158min-1.MBwasphotochemicallyde-gradatedfasterunderhigh-pressuremercurylamp(HPML)thanundersunlight.WhenMBwasinlowerconcentrations,salinitycouldinhibitthephotoreactionwhereasMBinhigherconcentration,salinitycouldacceleratethephotoreaction.Humidacidcouldalsoinhibitthephotoreactions.ToxicitytestswithmarinephytoplanktonSkeletonemacostatum(Sk)andHeterosigmaakashiwoHada(Ha)showeddecreasedacutetoxicityafterphotodegradation.
简介:Withafluctuating2008comestoanend,nownew2009hasap-proachedtous.Recently,AnalYsisandForecastofChinaEcon-omyin2009(BlueBookofChinaEconomy),bytheEconomicsDepartmentofChineseAcademyofSocialSciences.therelatedgovernmentaldepartments,researchinstitutesandexpertsandscholarsfromdomesticwell-knowncollegesanduniversities,wasissued.Thisauthorityre-portgaveanalysisofthesehotissuesanddifficultiesin2008Chinaeconomic
简介:HINESEblueandwhiteporcelainstoletheshowatthe2003DoyleNewYorkauction.Lot74,aYuanDynastycloudanddragondesign'pilgrim'flask,37.7cm-tall,mendedatthemouthandcrackedonbothsides,soldforanincredibleUS$5.8315million.Thisisnotsosurprisingfromacollector'spointofview,bearinginmindthebrevityoftheYuanDynasty(1271-1368)andtherebeingjustsevensuchvasesextant,sixoftheminmuseumcollections.