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semipermeable membrane |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.01 sec. |
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semipermeable membrane [¦sem·i′pər·mē·ə·bəl ′mem‚brān] (physics) A membrane which allows a solvent to pass through it, but not certain dissolved or colloidal substances. 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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| compared the presence of vaccinia virus on the external surface of 3 different types of bandages and noted that the semipermeable membrane with gauze had the smallest proportion of recoverable virus compared with the groups that used a Band-Aid or double gauze with adherent tape (6). Primary sludge was held in vials capped with semipermeable membranes that allowed liquid and gas to flow through the vials. Often used to remove salts, reverse osmosis requires electricity to pump water through semipermeable membranes. |
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