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urea |
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ureaWaste product formed in the mammalian liver when nitrogen compounds are broken down. It is filtered from the blood by the kidneys, and stored in the bladder as urine prior to release. When purified, it is a white, crystalline solid. In industry it is used to make urea-formaldehyde plastics (or resins), pharmaceuticals, and fertilizers. 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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Sensitivity occurs when the chemical by-products of carbamide and hydrogen peroxide used in whitening treatment passes through the enamel and dentin and into the pulp. AdBlue is a non-toxic, colorless, odorless, water-soluble carbamide solution carried in a separate tank that is injected into the exhaust stream at rate of 1% to 3% of the diesel fuel being consumed. 1,12) Agents in current use or under evaluation include various formulations of oleic acid polypeptide complex, triethanolamine polypeptide, carbamide peroxide, olive oil, mineral oil, sodium bicarbonate, acetic acid, and docusate sodium. |
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