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An Operational Material Certification Program
Causes of Fog in Radiographic Film
19 other sections not shown
absorption aluminum anode approximately attenuation attenuation coefficient beam calcium tungstate calibration cancer cassette changes characteristics clinical contrast cost curve detection detector developer temperature diagnostic difference image distribution echoes effect electronic elements energy evaluation exposure factors film film speed fluoroscopic focal spot frequency function grid heat image intensifier increase ion chamber kilovoltage Kodak lesions linear magnification mammography manufacturer maximum measured Medical monitor noise nutation object obtained operation optical density output parameters patient performance phosphor phototimer problem procedure processing processor quality assurance quality control quantum mottle radiation radiographic radiologist Radiology range rare earth relative resolution rotating scan screens sensitivity sensitometric shown in Figure shows spatial spatial frequency specifications speed spot film standard storage target technique thermal thermography tion tissue transducer tungsten ultrasound values variation voltage waveform x-ray tube x—ray