摘要

Based on the second order plus time delay transfer function model of the journal publication delay process, we establish a mathematical model of information loss caused by publication delays. Then we collect elementary data on publication delays from over 3000 articles in 18 Chinese journals in four subjects and respectively assess information loss caused by publication delays using the model; thus the validity of the model is demonstrated. The information loss caused by publication delays in Chinese science journals is serious, especially in mathematics. Final statistical and analytical results indicate that delays in publication of some Western journals are also noticeable.