• PNAS（Proceedings of the National Academy of Sciences of the United States of America）(Trial)

    PNAS: Proceedings of the National Academy of Sciences of the United States of America（P-ISSN 0027-8424; E-ISSN 1091-6490）《The Proceedings of the National Academy of Sciences was founded in 1914 and

  • Royal Society of Chemistry Journals

    RSC期刊数据库是RSC（英国皇家化学学会）出版和发行的以化学化工为主，学科覆盖化学化工、环境科学与能源、生命科学、材料科学与工程以及食品工程等20多个学科领域（其中涉及ESI指标22个学科中的10大学科）的专业型数据库。

  • Science Journals（AAAS）

    Science has been at the center of important scientific discovery since its founding in 1880—with seed money from Thomas Alva Edison.

  • ScienceDirect journals

    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 Journal

    Springer Nature is a global leader in research, education and professional publishing.

  • Taylor & Francis Journal

    Uses can search and explore the millions of quality, peer-reviewed journal articles published under the Taylor & Francis, Routledge and other imprints.

  • Wiley Journals

    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