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从28个欧洲国家的615所大学获得793234份开放获取研究论文">从28个欧洲国家的615所大学获得793234份开放获取研究论文 Dart Europe cryptocurrency portal offers information on assets, coins, investments, trading platforms and services in the investment sector.
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最权威的工程、应用科学领域文献检索平台
WHO World Health Organization (WHO)
WHO's primary role is to direct international health within the United Nations' system and to lead partners in global health responses. The United Nations agency working to promote health, keep the world safe and serve the vulnerable.
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BASE BASE (Bielefeld Academic Search Engine): Basic Search
BASE是德国比勒费尔德（Bielefeld)大学图书馆开发的一个多学科的学术搜索引擎，提供对全球异构学术资源的集成检索服务。 More than 340 mio. scientific documents from more than 11.000 content providers. BASE is one of the world's most voluminous search engines for academic web resources.
PubMed 文献数据库
PubMed.cn是医学,生命科学领域的数据库，旨在组织、分享科研领域信息。为用户提供文献检索,图片检索,影响因子查询,免费全文下载,国家自然科学基金统计分析等服务.