• ACS Publications

    A division of the American Chemical Society, ACS Publications supports researchers through a comprehensive portfolio of more than 80 Journals(including 18 open access journals), over 1700 eBooks an

  • China Excellent Master Dissertation Full-text Database

    China Doctoral Dissertation Full-text Database ( CDFD ) is a comprehensive, high-quality, data-standardized, fast-published, practic

  • Chineseall eBook

    中文在线（www.ChineseAll.com）2000年成立于清华大学，是中国网络出版的开创者之一，为国内最领先的正版数字内容传播机构。

     

  • CNKI AI

    CNKI AI is a new exploration of China Knowledge Network to fully embrace AI and empower knowledge services.

  • CNKI AI Pat+ Patent Retrieval and Analysis System (Trial)

    AI Pat+ Patent Retrieval and Analysis System brings together vast high-quality patent and scientific literature data resources at home and abroad, including 330 million scientific literature data,

  • CNKI Chinese Patent Full-Text Database、Overseas Patent Database (Trial)

    Chinese patents include invention patents, design patents, utility model patents applied in mainland China since 1985, a total of more than 61.6 million items, about 2.5 million new patents per yea

  • CXSTAR

    The CXSTAR E - book Platform is developed by Beijing CXSTAR Information Technology Co., Ltd. This platform has in - depth cooperation with publishers.

  • 超星汇雅电子书

    Superstar Group, established in 1993, is the world's largest provider of Chinese digital book resources.

  • EBSCO

    EBSCO is one of the earliest companies in the world to launch an online full-text database retrieval system.

  • JD Reading Professional Edition

    Database Introduction：