Abstract: The scientific publications in 2001 have been analyzed, that are collected by a well known science information database Science Citation Index(SCI), where the first authors or correspondence authors are from Peking University. The resent status of scientific publication in the university is presented, i.e.the main source of the authors(professors, post doctors, students), the types of publications and the main journals. The analysis shows that with the increasing of the number of publications per year from Peking University, the number of high quality papers is increasing steadily. In 2001, the number of papers with impact factors higher than 3.0 reaches 145. Some problems in scientific publication are presented, suggestions are given on the improvement of scientific publication in this article.

Key words: scientific publication, SCI, impact factor, Peking University

摘要： 2001年以北京大学为第一作者单位被SCI扩展版收录的论文1240篇，居高校首位。分析表明，北京大学的科研论文在数量在稳步增加的同时，高水平论文数量明显增加，影响因子超过3.0的论文达145篇，总平均影响因子为1.3。在职教师和博士生是发表论文的主体，博士后是人均发表论文最多的群体。文章最后指出，北京大学要提高国际影响力，必须在SCI论文的数量和质量上有所突破。

关键词: 科技论文, SCI, 影响因子, 北京大学