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corona discharge |
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corona discharge [kə′rō·nə ′dis‚chärj] (electricity) A discharge of electricity appearing as a bluish-purple glow on the surface of and adjacent to a conductor when the voltage gradient exceeds a certain critical value; due to ionization of the surrounding air by the high voltage. Also known as aurora; corona; electric corona. 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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In the SICOR process, the untreated substrate is first oxidized using either a flame process or a coronal discharge (electrical arc comprising ionized air) process. |
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