简介:Aseriesofnovel(S,S)-2,8-diazabicyclo[4.3.0]nonanecontainingbenzimidazolemoietywassynthesizedandtheirstructuresweredeterminedby1HNMRandHRMS.ThebiologicalactivityresultsshowedthatthesecompoundspossessedmoderateantifungalactivitytosomeplantpathogenousfungiandmoderateinsecticidalactivityagainstMythimnaseparataWalkerandCulexpipienspallens.Compounds6eand6fexhibitedgoodantibacterialactivityagainstSclerotiniasclerotiorum,PhytophthorainfestansandFusariumgraminearum.Thelethalityratesofcompounds6eand6kagainstMythimnaseparataWalkerwere100%at200mg/Landthelethalityratesofcompounds6hand6kagainstC.pippienspallenswere75%at2mg/L.
简介:AsamasterpieceofHawthorne’sworks,TheScarletLettersetsuponNewEnglandintheseventiethcenturyandsuccessfullydepictsthecrueltyofPuritansocietyandthekilltohumannature.However,itseemsthatthisisnottheonlypurposefortheauthortocriticizethePuritanism.Hawthornealsoendeavorstopursuitanidealharmonythroughtheimageoftheforest,whichisomittedbymostofthescholarswhoresearchHawthorne’sworks,especiallyforTheScarletLetter.Inthisthesis,itaimstoillustratetheidealharmonyfromtwoperspectives:first,theimageoftheforeststandsfortheharmonyoftheprimitivelife;second,theimageoftheforestrepresentstheharmonyofthedevelopmentbothinbodyandmind.
简介:Sincetheendoflastyear,CAFIUhaskeptastrongmomentuminitsexchangeswithJapan.ThehighlightsincludedthevisitofadelegationofyoungmembersofJapan’sDiet,andtheexchangeswithmultipleJapaneseNGOs,mediaoutletsandyoungstudents.
简介:摘要函数在初中数学中占有重要地位,它是整个数学体系的中心思想,而且函数思想的培养对于学生在整个数学的学习过程中,具有很重要的作用。