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gel |
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gel: see colloid colloid (kŏl`oid) [Gr.,=gluelike], a mixture in which one substance is divided into minute particles (called colloidal particles) and ..... Click the link for more information. . gel [jel] (chemistry) A two-phase colloidal system consisting of a solid and a liquid in more solid form than a sol. 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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| Five hand hygiene treatments were compared: tap water (4 trials), 40% ethanol (5 trials), commercial gels with active ingredients of either 40% or 62% ethanol (9 trials each), and commercial 40% gel supplemented to 62% (5 trials). Sports gels like PowerGel and Gu are convenient, low in fiber and easy on the stomach. Because other cleaning gels for artworks can't switch states like this, they are difficult to remove without disturbing the paint, particularly when they seep into the artwork's cracks and pores, says organic chemist Richard Weiss at Georgetown University in Washington, D. |
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