PropertiesDescription: Qualities or traits belonging and especially peculiar to an individual or thing; effects that an object has on another object or on the senses.
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Collection of cross-searchable e-books on engineering topics drawn from dozens of technical publishers and professional societies. Includes professional handbooks and analytical tools. ... 
Web access to experimental substance and reaction data and bibliographic data housed in the Beilstein, Gmelin, and Patent Chemistry databases. ... 
Searchable database of fact sheets on 564 common compounds.