Sci-Hub: science for the people The goal of Sci-Hub is to provide free and unrestricted access to all scientific knowledge ever published in journal or book form Today the circulation of knowledge in science is restricted by high prices
Web of Science Access scientific research, citation data, and authoritative publications across disciplines on the leading Web of Science platform
一篇文章看懂SCI期刊、SCI分区和Nature系列期刊等级 - 知乎 SCI全程是Science Citation Index，是美国科学信息研究所（Institute for Scientific Information，简称ISI）出版的一部世界著名的期刊文献检索工具，创建于1957年。
科学引文索引（Science Citation Index Expanded） 科学与学术研究 • Research discovery and referencing • Web of Science平台 • Web of Science核心合集（Web of Science Core Collection)