I. IntroductionrnThe State Key Laboratory of Catalysis (SKLC)was founded in 1987 as one of the first state key labo-ratories in China. The current director of
The 7th Intational Conference on Inorganic Membranes (ICIM-7)was held in Dalian,China,from June 23rd to 26th,2002 under the Chairmanship of Professor Guoxing X