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breakthrough |
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breakthrough [′brāk‚thrü] (chemical engineering) A localized break in a filter cake or precoat that permits fluid to pass through without being filtered. Also known as breakpoint. In an ion-exchange system, the first appearance of unadsorbed ions of the type which deplete the activity of the resin bed; this indicates that the bed must be regenerated. (computer science) An interruption in the intended character stroke in optical character recognition. (mining engineering) A passage cut through the pillar to allow the ventilating current to pass from one room to another; larger than a doghole. Also known as room crosscut. 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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