摘要
通过对科技文献增长速度的机理分析与文献损耗问题的探讨,建立起了形象描述科技文献有效累积量的数学模型。
The thesis analyzes the increase the mechanism of scientific and technological literature and discusses the literature lass. Based on the analysis, it forms the mathematical pattern, which vividly describes the effective accumulation volume of the scientific and technological literature.
出处
《菏泽学院学报》
2000年第4期46-48,共3页
Journal of Heze University
关键词
科技文献
累积量
有效累积量
损耗率
相对损耗率
scientific & technological literature
accumulation volume
effective accumulation volume
proportion of loss
proportion of relative loss
