发展中国家联合期刊 +Bioline International Official Site (site up
发展中国家的多种开放存取期刊全文 +Bioline International Official Site (site up-dated regularly)
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中科院学位论文
美国国家环境出版物 U.S. Environmental Protection Agency
美国环境保护署提供出版物搜索、预览和下载等服务 Website of the U.S. Environmental Protection Agency (EPA). EPA's mission is to protect human health and the environment.
DOAJ Directory of Open Access Journals
开放存取期刊的索引平台，提供高质量、同行评议期刊 DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone.
bioRxiv.org bioRxiv.org
为生物学家专有的预印本文献库 bioRxiv - the preprint server for biology, operated by Cold Spring Harbor Laboratory, a research and educational institution
arxiv国内镜像 Fastly error: unknown domain cn.arxiv.org
Fastly error: unknown domain cn.arxiv.org
OSF Preprints OSF
自有预印本库，集成多家数据，超200万个搜索结果 OSF
NASA 技术报告库 NASA Technical Reports Server (NTRS)
NASA Technical Reports Server (NTRS) NASA Technical Reports Server (NTRS)