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tem in prof. wangamp。rsquo。s lab. with the tool of opengl and matlab i designed a simulation program for transportation scheduling system. it is now widely used by different research groups in nust. in 1998 i assumed and fulfilled a sewage analysis amp。amp。dispose project for nanjing sewage treatment plant. this was my first practice to convert a laboratory idea to a mercial product. in 1999 i joined the distinguished professor yugeng xis research group aiming at network flow problem solving and heuristic algorithm research. soon i was engaged in the fudan gene database design. my duty was to pick up the useful information among different kinds of gene matching format. through the parison and analysis for many heuristic algorithms i introduced an improved evolutionary algorithm multipopulation genetic algorithm. by dividing a whole population into several subpopulations this improved algorithm can