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1、引言随着科学技术的不断进步, 新的知识不断产生,旧的知识不断被取代.作为记录科学知识载体的科技文献,也必然随之发生新陈代谢.对科技文献老化的研究是情报学研究的重要课题之一.它对图书情报部门科学地收集,提供科技文献具有重要的指导意义.B.M.Mотыпев修正式是在对Burton-Kebler文献老化方程进行修正基础上确立的.使文献实际统计值与理论值之间具有较好的拟合度,其拟合效果令人满意.(1)本文统计了42种医学期刊所附的引文,并对其进行B.M.Mотыпев修正式的拟合,以期通过B.M.Mотыпев修正式来计算中文医学引文的半衰期,更好地为医学教学、医疗、科研工作提供情报服务.
1. Introduction With the constant progress of science and technology, new knowledge is constantly produced and the old knowledge is replaced constantly.As a scientific and technical document that records the scientific knowledge carrier, it is also inevitable that the metabolism will follow.Research on the aging of scientific literature is the research of information science Is one of the important topics.It has important guiding significance for the scientific information collection and provision of scientific and technical literature by the library and intelligence department.BMMотыпев The revision formula is based on the revision of the Burton-Kebler literature aging equation.Based on the literature actual statistics and (1) In this paper, 42 citations attached to medical journals were obtained and their BMM о т п п в в modal fitting was carried out, with a view to using BM Mотыпев The formula is used to calculate the half-life of Chinese medical citations and to better provide intelligence services in medical teaching, medical treatment and scientific research.