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characteristic curve |
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characteristic curve [ker′əktəris′tik] a graphic relationship between the optic density (blackness) of an x-ray film and the exposure. Also called D log E curve, Hurter and Driffield curve, sensitometric curve. characteristic 1. character. 2. typical of an individual or other entity. See also character. characteristic curve the photographic characteristics of an emulsion on an x-ray film based on plotting the density of the image obtained against the logarithm of the exposure under specified conditions of development. characteristic radiation nearly homogeneous radiation produced in the target of the x-ray tube when orbital electrons are knocked out and replaced by electrons from outer shells. characteristic x-rays see characteristic radiation (above). 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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