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doping |
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doping, in electronics: see semiconductor semiconductor, solid material whose electrical conductivity at room temperature is between that of a conductor and that of an insulator (see conduction ; insulation ). ..... Click the link for more information. . dopingAltering the electrical conductivity of a semiconductor material, such as silicon, by chemically combining it with foreign elements. It results in an excess of electrons (n-type) or a lack of electrons (p-type) in the silicon. See n-type silicon and silicon. doping [′dōp·iŋ] (electronics) The addition of impurities to a semiconductor to achieve a desired characteristic, as in producing ann-type orp-type material. Also known as semiconductor doping. (engineering) Coating the mold or mandrel with a substance which will prevent the molded plywood part from sticking to it and will facilitate removal. 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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| Records set by baseball players who used steroids should be taken off the books, because the use of performance-enhancing drugs in sports is cheating. Used routinely by doctors to treat anemia, a deficiency of red blood cells, EPO has become one of the most widely abused drugs in sports. The sharp exchanges came on Tuesday's opening of the IOC's summit on drugs in sports, a meeting that has become overshadowed by the biggest corruption scandal in the history of the games. |
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