摘要
1. GeneralPapers not published before from all countries willbe welcome, and authors must agree not to publishelsewhere in the same form of the paper submittedto and accepted by the Journal. The main require-ment for acceptance of a paper is its scientific valueas judged by the Editorial Board. Manuscript forpublication should be submitted to the Editorial Of-fice, 34 Hujuguan, Nanjing 210024, P.R. China.
