• Keledge（Trial）

    Beijing Wanwu Keledge Tech.

  • Oxford Scholarship Online

    Oxford Scholarship Online (OSO) is a powerful digital library developed by Oxford University Press, dedicated to collecting the finest academic monographs published by Oxford University Press.

  • ProQuest Ebooks

    ProQuest Ebooks is a new solution that enables libraries to provide uninterrupted access to high-quality, multidisciplinary content at a greater scale.

  • ScienceDirect

    ScienceDirect is a full-text scientific database launched by Elsevier, offering globally leading full-text literature in science, technology, and medicine.

  • ScienceDirect eBooks

    ScienceDirect, the full-text database platform of Elsevier, the world's leading publishing company, is the world's largest database of full-text electronic resources for science, technology and med

  • Springer Nature eBooks

    Springer Nature eBooks contain 21 subject packages in Chemistry & Materials, Computing, Energy, Intelligent Technology & Robotics, Earth & Environment, Engineering, Mathematics & St

  • Taylor & Francis eBooks

    Taylor & Francis eBooks hosts a range of award-winning digital resources, covering all major subject areas and sub-disciplines.

  • Wenquan Academy Knowledge Base - Tsinghua University Press

    Database Introduction：

  • Wiley Online Library

    Founded in the United States in 1807, Wiley is a globally recognised publisher with a history of more than 200 years of providing essential knowledge and services to professionals, researchers, edu

  • World Scientific Ebooks

    World Scientific Publishing Company (WSPC) was established in Singapore and is now the largest English-language scientific publisher in the Asia–Pacific region and one of the world’s leading STM pu