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Manufacturer of laboratory reagents in all fields of life sciences, including biochemistry, molecular biology, cell culture and cell biology.
http://www.sigmaaldrich.com/
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Private, nonprofit society of scholars engaged in scientific and engineering research, dedicated to the furtherance ... the National Academies. Directories ...
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Leading Social Science Research Delivered To Your DeskTop Daily. Social Science Research Network (SSRN) is devoted to the rapid worldwide dissemination of social ...
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Citeulike SVN Server. To check out the source code: svn co http://svn.citeulike.org/svn citeulike ...
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Official site of the USGS.
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Multidisciplinary journal that covers the biological, physical, and social sciences, publishing research reports, commentaries, reviews, colloquium papers, and actions of the Academy.
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Annotated links to multimedia science gems sorted by subtopic and grade level.
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Nature is the international weekly journal of science: a magazine style journal that publishes full-length research papers in all disciplines of science, as well as ...
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qiji.cn. arxiv.org. answers.com ... qiji.cn. arxiv.org. answers.com. 豆瓣小组: 奇迹 奇迹翻译计划 自然科学史. 集智俱乐部. 百科资料: 医疗 饮食 理财 旅游 艺术 历史 文学 军事 生活 科学 ...
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Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar ...
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