| 释义 | calcium tungstate
 calcium tungstate[′kal·se·əm ′təŋ‚stāt]  (inorganic chemistry) CaWO4 White, tetragonal crystals, slightly soluble in water; used in manufacture of luminous paints. Also known as artificial scheelite; calcium wolframate.calcium tungstate
 cal·ci·um tung·statea phosphor with a high stopping power for x-rays that was formerly used widely in fluoroscopic screens and intensifying screens for radiography.calcium tungstateCaWO4, a fluorescent material formerly used for radiologic imaging. It was used in intensifying screens to amplify the image, thereby reducing the radiation exposure to the patient. See also: calcium |