post doctor meaning in Chinese

博士后

The scientific publications in 2001 have been analyzed , that are collected by a well known science information database science citation index , 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
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。