摘要
The Seventh National Symposium on RE Anal-ysis,sponsored by the Chinese Society of RareEarths,was held in Dayong City of Hunan ProvinceSept.22-26,1992.More than 80 experts attendedthe symposium with 70 papers published.Prof.Jiang Zuchen and Zhang Huashan,bothfrom Wuhan University were invited to lecture themeeting on“The Situation and Problem in