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.
掌桥科研一站式科研服务平台,拥有中外文献3亿+篇。掌桥科研致力于为广大科研工作者提供方便、快捷的一站式科技文献查询与下载,以及文档翻译、文档转换、收录引证和科技查新等科研服务。
万方数据知识服务平台-中外学术论文、中外标准、中外专利、科技成果、政策法规等科技文献的在线服务平台。
PubMed® comprises more than 37 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.
思谋学术是提升科研效率的常用工具,自动检测和更新可访问的Google学术镜像网址,并提供学术资源导航,包括论文、电子书等文献的免费下载通道。