Dosismeter
Downhole neutron activation measurement
Draft device
Dual crystal scintillation probe
Dual detector gamma camera system
Dual entrance window ion chamber for measuring x-ray exposure
Dual ionization chamber
Dual ionization chamber device for measuring x-rays
Dual-chamber ionization smoke detector assembly
Dual-modality imaging
Dynamic linearization system for a radiation gauge
Dynamic multistation photometer-fluorometer
Dynamic uniform flood correction for radioisotope cameras
Dynamometer