Descriptors | X-rays, Type testing, Ratings, Error correction, Conversion (units of measurement), Calibration, Fluorescence, Formulae (mathematics), Mathematical calculations, Bibliography, Photons, Errors, Gamma-radiation, Radiation measurement, Environment (working), Portable, Performance testing, Energy transfer, Angles (geometry), Performance, Testing conditions, Dosimeters, Exposure-rate meters, Wavelengths, Fixed, Test equipment, Medical technology |