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radiography |
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radiography: see X ray X ray, invisible, highly penetrating electromagnetic radiation of much shorter wavelength (higher frequency) than visible light. The wavelength range for X rays is from about 10−8 m to about 10−11 ..... Click the link for more information. . radiography the production of radiographs of opaque objects for use in medicine, surgery, industry, etc. radiography [‚rād·ē′äg·rə·fē] (graphic arts) The technique of producing a photographic image of an opaque specimen by transmitting a beam of x-rays or γ-rays through it onto an adjacent photographic film; the image results from variations in thickness, density, and chemical composition of the specimen; used in medicine and industry. 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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These included digital radiography and fluid flow modeling. The VA award was based on best value and the unique capability of Hologic's proprietary flat panel technology, DirectRay, that utilizes amorphous selenium, a semi conductor that allows the capture and conversion of x-rays to electrical signals in a single step, avoiding any resolution deterioration inherent from light scatter in indirect technologies such as conventional screen-film or computed radiography systems. In contrast, imaging the shock waves produced within an explosion requires a special type of radiography involving high-energy protons. |
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