SynthesisandCharacterizationofMesoprousEuropium(III)SilicateMolecularSieves,尹伟,,heluminescentnanosizedEu-MCM(1:10)issynthesizedbymeansofsol-gel-assistedself-assemblyunderbasicconditionsatroomtemperature.Thatresultof29Si-MASNMRshowthatt