万方数据知识服务平台
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Microsoft Academic Search
Find information about academic paper, conference, journal, and organizations. ...
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Special: Seek and Ye Shall Find - Lifehacker
How to Search the Invisible Web ... How to Play SNES on your iPad in Four Easy Steps #appleipad #howto. Five Best Personal Money Management Sites #hivefive #personalfinance ...
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Wiley InterScience
In this case, although the visual presentation will be degraded, the site should ... We recommend using the latest version of Microsoft or Mozilla web browser to ...
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Public Library of Science
Nonprofit organization of scientists and physicians committed to making the ... PLoS is a nonprofit organization of scientists and physicians committed to ...
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100 Useful Tips and Tools to Research the Deep Web | Online College Blog and School Reviews
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HighWire Press -- Free Online Full-text Articles
Sign in for more free features or create a free account. Anywhere in Text: any all phrase ... From My Favorite Journals only (sign in) All (including PubMed) ...
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Melissa DATA: Lookups
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维普资讯网--中文期刊门户·专业文章阅读
维普资讯网是最大最全的中文科技期刊论文资源门户网站,提供针对《中文科技期刊数据库》等多个数据库的检索及全文浏览,资源涉及8000多种中文期刊、400多 种中文报纸及一部分外文期刊数据,囊括了理、工、农、医、文史哲的全部专业,包括诸如医药、农业、环保、自然科学(生物、化学、数学、物理学、天文地理)、工业 (计算机、自动化、冶金、材料、 ...
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Science/AAAS | Scientific research, news and career information
Global weekly journal of research which serves the scientific community as a forum for the presentation and discussion of important issues related to the advancement of science.
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GoPubMed
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