铱192 meaning in Chinese

ir-gamma ray projector

Standard test method for determining the focal size of iridium - 192 industrial radiographic sources
测定铱192工业x射线源的聚焦尺寸的标准试验方法
Industrial radiography . determination of the speed and average gradient of film - based image receiving systems for use in the energy range from 300 kev to 1 , 5 mev with iridium 192
工业放射学.能级从300kev至1 . 5mev的铱192用底片图象接收系统感光度和反差平均值的测定