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  • OALib图书馆

    OALib图书馆

    OALib图书馆www.oalib.com Open Access Library (www.oalib.com) is an academic search engine and publisher. You can download research papers for free and submit your paper to it. It is a shared academic database.

    - 2022-12-25 - 收藏
  • ResearchGate官网

    ResearchGate官网

    ResearchGATE是一个社交网络服务网站，于2008年5月上线。网站旨在推动全球范围内的科学合作，用户可以联系同行，了解研究动态，分享科研方法以及交流想法。Find over 80 million publications, 7 million researchers and 1 million answers to research questions. ResearchGate is a network dedicated to science and research. Connect, collaborate and discover scientific publications, jobs and conferences. All for free.

    - 2015-10-06 - 收藏
  • 环球科学网

    环球科学网

    环球科学(《科学美国人》中文版)－世界科普杂志第一品牌——143位诺贝尔奖得主撰稿。从爱迪生到比尔·盖茨都喜欢阅读，提供最新的全球科技资讯，是科研者交流的平台，是研究者共享的舞台。www.huanqiukexue.com

    - 2015-04-19 - 收藏
  • 联合国教科文组织

    联合国教科文组织

    UNESCO has 193 Member States and seven Associate Member States. It is governed by the General Conference and the Executive Board. The Secretariat, headed by the Director-General, implements the decisions of these two bodies.

    - 2011-11-25 - 收藏
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