释义 |
DictionarySeephotonx-ray photon
x-ray photonAn uncharged particle of energy, moving in waves produced by the interaction of high-speed electrons with a target (commonly tungsten). These particles vary from those of lower energy (1 to 0.1 A.U.), used in diagnostic imaging, to those of higher energy (0.1 to 10-4 A.U.), used in therapy. Synonym: roentgen ray |