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beta decay |
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decay /de·cay/ (de-ka´) 1. the decomposition of dead matter. 2. the process of decline, as in aging. beta decay disintegration of the nucleus of an unstable radionuclide in which the mass number is unchanged, but atomic number is changed by 1, as a result of emission of a negatively or positively charged (beta) particle. tooth decay dental caries. beta decay, a type of radioactivity that results in the emission of beta particles, either electrons or positrons. See also beta particle. 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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CopyTele's thin compact Flat CRT display not only preserves the desirable characteristics of CRT's, but also achieves high brightness, has a low voltage and power electron emission system, and has built-in pixel memory. In their experiments, the scientists mounted a single, 10-nanometer-wide carbon nanotube on the end of an electron microscope's tungsten tip, applied an electric field, and studied the nanotube's electron emission. is a premier research and development organization dedicated to developing applications for nanotechnology with an extremely strong position in the field of electron emission applications from carbon film/nanotubes. |
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