摘要
本文利用逻辑曲线模型对我国 1981~ 2 0 0 1年间的科技期刊种数进行了分段拟合 ,较好地描述了我国 2 0年来科技期刊的发展轨迹 ,并依据科技文献增长机理 ,对科技期刊种数随时间的变化将呈周期性逻辑增长的趋势进行了分析。
According to the kinds of periodical in Chinese in the years 1981~1990 and 1990~2001,two logistic equations have been arranged and clearly described the developed track of the periodical on science and technology in Chinese.Meanwhile,this paper analyses the regularity of the kind of periodical's alternative and logistic increase alog with time.
出处
《国外情报科学》
CSSCI
北大核心
2004年第5期554-557,共4页
关键词
中国
科技期刊
文献增长率
逻辑曲线模型
文献计量学
Logistic model Periodical on science and technology Document growth Mechanism analysis