摘要
The Second Conference of Chinese So-ciety of Rare Earths(2nd CCSR)was heldfrom 4 to 7 of November,1990 in Beijing.300 Chinese scholars from universities,research institutions and factories at-tended the meeting.There were 17 invited lectures pre-sented during the plenary session inclu-ding“15 Year’s Development of CascadeExtraction Theory”by Prof.Xu Guang Xianand Li Biaoguo of Beijing University,“RE Bioinorganic Chemistry”by Prof.NiJiazan of Changchun Institute of AppliedChemistry,and“Some Considerations onRE Applied Chemistry in Steels”by Prof.
