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Production of X Rays
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absorbed absorption angle anode atomic number attenuation coefficient blurred camera cause cesium iodide charge coil components creases Cronex crystal curve decreases density detectors diagnostic distance Doppler dose duced elec electric electrons emulsion energy ergy factor film-screen filter fluoroscopic focal spot frame gradient grid image intensifier increase intensifying screens intensity Larmor frequency layer lens line pairs magnetic field magnification maximum measured motion move noise nuclei number of photons object output phosphor photoelectric photoelectric effect photons pixel plane plate posure primary produce pulse quantum mottle radiographic radiology ratio rays resolution rotating scan scanner scatter radiation selenium shown in Figure signal soft tissue speed spin spot film subject contrast subtraction Table target technique thickness thyratron tion tomography transducer transmitted tungsten ultrasound unit unsharpness voltage wave wavelength x rays x-ray beam x-ray film x-ray photons x-ray tube xeroradiography