由中国化学会、中国稀土学会、长春市化学会、吉林省化学会和中国科学院长春应用化学研究所稀土化学与物理开放实验室主办的第十一届长春夏季化学讨论会——变价稀土化学与物理学术讨论会于1992年7月20～22日在长春应用化学研究所召开。会议得到了中国科学院长春分院、长春科协等单位的大力支持与赞助。 The eleventh Changchun Summer Chemistry Symposium sponsored by the Chinese Chemical Society, the Chinese Society of Rare Earths, the Changchun City Chemical Society, the Jilin Province Chemical Society and the Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Rare Earth Chemistry and Physics Laboratory The physics seminar was held on July 20-22, 1992 at the Changchun Institute of Applied Chemistry. The conference received strong support and sponsorship from the Changchun Branch of the Chinese Academy of Sciences and the Changchun Science and Technology Association.