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本文下载PubMed数据库2008-2012年间的所有文献,抽取优先数字出版文献,从优先数字出版论文数量、期刊、国家、时滞等多个方面进行分析,并与国内优先数字出版进行了对比分析。结果发现近5年优先数字出版论文数量和期刊数量都呈现快速增长;西方传统出版期刊大国对优先数字出版非常重视,占据了主要地位;优先数字出版可以大大减少文献的时滞;国内优先数字出版发展与国外有较大差距。
This paper downloads all the PubMed databases from 2008 to 2012, extracts priority digital publications, analyzes the number of priority digital publications, periodicals, countries, time delays and other aspects and compares them with the national priority digital publication. The results showed that in the past five years, the number of priority digital publication and the number of periodicals all showed a rapid growth. The western traditional publishing journals’ great importance placed priority on digital publication, occupying a major position; prioritized digital publishing can greatly reduce the time lag in literature; There is a big gap between development and foreign countries.