中国石化电子邮件系统
中国石化电子邮件系统https://mail.sinopec.com/请从内网登录中国石化IT服务门户 http://its.sinopec.com 修改，如果忘记密码，请点击IT服务门户中的“忘记密码”进行找回。地址：中国北京市朝阳区朝阳门北大街22号 邮政编码：100728 电话：8610-59960114
点击进入 - 2023-11-08 - 收藏
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.
点击进入 - 2023-11-02 - 收藏
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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Open J-Gate
This guide is an essential tool for anyone seeking to harness the power of video for educational purposes.Open J-Gate 开放获取期刊门户http://www.openj-gate.com/ 提供基于开放获取的近 4000 种期刊的免费检索和全文链接，包含学校、研究机构和行业期刊，其中超过 1500 种学术期刊经过同行评议。
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全国图书馆参考咨询联盟
全国图书馆参考咨询联盟www.ucdrs.superlib.net选择图书频道，在搜索框输入关键词，然后点击“中文文献搜索”，将为您在海量的图书数据资源中进行查找。如果您希望获得外文资源，可点击“外文文献搜索”。 另外，您可以在搜索框下方选择：全部字段、书名或作者。还可以通过右侧的高级检索来更精确的查找图书。
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MerchantWords官网
Uncover product opportunities, spy on your competition, create successful marketing campaigns, and grow your sales and business with our tools and services.
点击进入 - 2023-10-20 - 收藏