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ImODUcrIONSa~ll)lisalargegenerabelongingtothedassofFucales,Whosemembersaremorethan250.SargassumthunbopiiisthemostabundantwhdspedesintheYell0wScacoast,andisWdelydistributedalongtheentireChinacoastcyseng,1983).AlthoughsornestudiesonelemetSinseawtalshavebenTnadebyvariousauth0rspeanetal.,l995,Fanetal.,l996;Yamamotoetal.,l983,Whyte&Englar,l98O)theelementalcomPositioninseawedhasrareybenstudiedindetail.NeutronActivationAnalysis(NNA)isanidealmeth0dforinvestigatingtheelementalcompositioninmar… 相似文献
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