BASE | 余生运营工具书签|余生运营书签

基于开源软件建设学术搜索引擎，近130万篇文献。More than 200 mio. scientfic documents from more than 8000 content providers. BASE is one of the world's most voluminous search engines for academic web resources.

相关导航

PubMed

免费提供生物医学方面的论文搜寻以及摘要的数据库。PubMed® comprises more than 34 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites.

EI Village

最权威的工程、应用科学领域文献检索平台，Engineering Village Error page

CALIS OPAC

支持集中搜索众多高校图书馆的图书资源目录

DeepDyve

为科学、技术和医学文献提供在线搜索引擎和租赁服务。DeepDyve is the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

iData

iData知识检索—免费下载学术文献,免费论文下载。

未名学术搜索

北京大学图书馆的文献资源检索系统

暂无评论

您必须登录才能参与评论！

立即登录

暂无评论...