ScienceDirect数据库收录工程类期刊的分析

Analysis on Engineering Journals Collected in ScienceDirect Database

介绍了ScienceDirect数据库的内容,对该数据库中所收录工程类期刊的收录年限、出版地分布、刊源收录情况、学科类目分布以及SCI源期刊影响因子进行了分析。

This paper introduces the contents of ScienceDirect database,and analyzes the age limit of collection,the distribution of publishers＇location,the collection of journal sources,the distribution of subject categories,and the impact factor of SCI source journals.