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1.前言 《美国工程索引(Ei)》,其国际联机检索系统DIALOG中对应的数据库为COMPENDEX,它收入的期刊论文都经过严格的筛选,所摘用的文献被公认中具有很高的学术水平。在学术水平评价和申报科研成果时,是否为Ei所摘录已成为一项重要的因素。因此,研究Ei中期刊的选矿文献分布并得出核心期刊,对选矿工作者利用、投稿和文献的合理收藏都有着积极的意义。
1. Introduction The “American Engineering Index (Ei)”, whose corresponding database in the DIALOG International Online Search System is COMPENDEX, is subject to rigorous screening of the journal articles it has received, and the extracted literature is widely recognized as having a high academic standard . At the academic level to evaluate and declare scientific research, excerpts from Ei have become an important factor. Therefore, it is of great significance to study the distribution of beneficiation literature and to obtain the core journals in the Ei Journal, which is of great significance to beneficiation workers’ contribution, submission and reasonable collection of documents.