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heavy water |
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heavy water, water in which the hydrogen component is deuterium (2H), or heavy hydrogen. It has properties different from those of ordinary water. Because of its ability to absorb neutrons, heavy water is used as a moderator in nuclear reactions. Also written as D2O. 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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Canada suspended cooperation on a reactor and heavy-water plant; France sent a congratulatory telegram (and then withdrew it). The controversy began March 23, 1989, when the two chemists claimed to have devised electrochemical cells, used to break heavy-water molecules into atoms, that produced so much heat energy that only nuclear reactions--such as the fusion of the water's deuterium atoms inside a cell's palladium electrode -- could be responsible (SN: 4/1/89). Slamming salvos of minuscule heavy-water cannonballs into a thumbnail-sized target containing heavy hydrogen produces micro-thermonuclear reactions in which some of the colliding atoms fuse, report scientists at the Brookhaven National Laboratory in Upton, N. |
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