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CAS, Chemical Abstracts Service Home Page
描述: Chemical Abstracts Service, CAS, is the producer of Chemical Abstracts, SciFinder, and co-partner in operating STN International, all of which provide comprehensive, authoritative, and reliable access to chemical and scientific ...
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Official site of the Portuguese Folkloric Dance group of Kearny, NJ: Os Sonhos de Portugal. It shows the history, current members, music, and photos of the group ...
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4.5 / 5.0, 语: English
ChemSpider is a free chemical structure database providing fast access to over 26 million structures, properties and associated information.
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4.2 / 5.0, 语: English
Resource for A Level chemistry students.
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4.2 / 5.0, 语: English
ChemExper is a company joining together the areas of chemistry, computer science and telecommunication. The ChemExper Chemical Directory is a free service that ...
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3.3 / 5.0, 语: English
Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim - A passion for publishing
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3.9 / 5.0, 语: Deutsch
Chemical Forums - Index
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4.2 / 5.0, 语: English
From conventions to wedding receptions in Columbus Ohio, our food, service and ambience sets us apart from the rest.
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3.0 / 5.0, 语: English
Free electronic version of printed Organic Syntheses series - detailed reliable experimental methods for the synthesis of organic compounds.
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3.3 / 5.0, 语: English