免费信息发布

  • FreeTechBooks

    FreeTechBooks

    This site lists free online computer science, engineering and programming books, textbooks and lecture notes, all of which are legally and freely available over the Internet. Throughout this site, other terms are used to refer to a book, such as ebook, text, document, monogram or notes.

    点击进入 - 2023-11-03 - 收藏
  • Free Computer Books

    Free Computer Books

    Links to Free Programming, Computer, Mathematics, Technical eBooks and Lecture Notes all over the World, Directory of online free programming, computer, engineering, mathematics, technical books, ebooks, lecture notes and tutorials. Very well categorized. Equipped with advanced search engines.

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  • Accueil - ScholarVox Management

    Accueil - ScholarVox Management

    Cyberlibris ScholarVox est la première bibliothèque numérique communautaire dédiée aux institutions académiques, écoles de commerce et écoles d'ingénieurs. Elle sert dans plus de 10 pays des dizaines de milliers de membres abonnés, étudiants, professeurs, chercheurs, bibliothécaires, passionnés par l'économie, les sciences de gestion au sens large et les sciences de l'ingénieur.

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  • chemBlink官网

    chemBlink官网

    chemBlink provides a free database of chemicals from around the World, searchable for product identifications, CAS numbers, SDS, formulas, suppliers and more. Contact us today.

    点击进入 - 2023-11-02 - 收藏
  • X-MOL学术平台

    X-MOL学术平台

    X-MOL学术平台,顶级期刊论文图文内容每日更新,海内外课题组信息,行业新闻文摘,化学类网址导航,化学软件和数据库导航,及更多其他内容

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  • SCIRP Open Access

    SCIRP Open Access

    Scientific Research Publishing is an academic publisher with more than 200 open access journal in the areas of science, technology and medicine. It also publishes academic books and conference proceedings.

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  • DART-Europe官网

    DART-Europe官网

    Portal for open access research theses. DART-Europe is a partnership of research libraries and library consortia who are working together to improve global access to European research theses. The DART-Europe partners help to provide researchers with a single European Portal for the discovery of Electronic Theses and Dissertations (ETDs).

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  • Library Genesis - Library Genesis Guide

    Library Genesis - Library Genesis Guide

    Library Genesis 图书馆创世纪 - 中文 (中国). 从Library Genesis和lib gen下载免费的电子书 。Library Genesis and libgen website and proxies guide. Working links and mirrors for downloading ebooks and textbooks from lib gen, gen lib rus eс, libgen.io

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  • CERN Document Server

    CERN Document Server

    Access articles, reports and multimedia content in HEP

    点击进入 - 2023-11-02 - 收藏
  • SciELO官网

    SciELO官网

    SciELO(ScientificElectronicLibraryOnline)巴西网上科技电子图书馆,是科技期刊在网上的一种合作性的电子出版模式,其出版的期刊覆盖了农业、植物学、动物学、医学等多个领域。1997年创立于巴西,是国际上重要的OA运动国际倡议者和实践者之一。目前,SciELO发展为由一个主网站和10个设置在不同国家的分网站组成跨国网络平台,截至2008年6月24日,SciELO网络平台上显示共有OA期刊549种、1.1万期、文章18万篇、引文350余万条。SciELO网络平台设英文、葡萄牙文和西班牙文3个界面。

    点击进入 - 2023-11-02 - 收藏