《英文msh词典》Cesium Radioisotopes
[主题词] Cesium Radioisotopes
[入口词] Radioisotopes,Cesium
[中文释义] 铯放射性同位素
[英文释义] Unstable isotopes of cesium that decay or disintegrate emitting radiation. Cs atoms with atomic weights of 123,125-132,and 134-145 are radioactive cesium isotopes.