摘要
分析了ScienceDirect收录的化学期刊的文献收藏年限、期刊出版地分布以及SCI源期刊分布的情况。
This paper analyzes on the collecting years of the literatures and the distribution of the publication locations of the chemical journals collected by ScienceDirect and the distribution the source journals collected by SCI.
出处
《科技情报开发与经济》
2007年第16期61-63,共3页
Sci-Tech Information Development & Economy