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unsaturated |
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unsaturated 1. (of a chemical compound, esp an organic compound) containing one or more double or triple bonds and thus capable of undergoing addition reactions 2. (of a fat, esp a vegetable fat) containing a high proportion of fatty acids having double bonds 3. (of a solution) containing less solute than a saturated solution unsaturated [¦ən′sach·ə‚rād·əd] (mineralogy) Referring to a mineral that will not form in the presence of free silica. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Key statement: A rubber composition which prevents the rise in rubber hardness over time and can maintain good performance on snow and ice over a long period, includes (A) a diene rubber and (B) a vegetable oil which has an iodine value of at least 80, contains 70% unsaturated fatty acid, a tan [delta] peak temperature Tg of at most -50[degrees]C. NL-accelerators (cobalt organometallic complexes) promote unsaturated polyester resins. However, for the poison ivy receiving extra carbon dioxide, about 20 percent of the oil was in chemically unsaturated forms, whereas the plain-air ivy produced 15 percent unsaturated urushiol. |
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