| 释义 |
carrier-free carrier-free [kar´e-er-fre″] a term denoting a radioisotope of an element in pure form, i.e., essentially undiluted with a stable isotope carrier.car·ri·er-free (ka'rē-er frē), Said of a substance in which a radioactive or other tagged atom is found in every molecule; the highest possible specific activity.car·ri·er-free (ka'rē-ĕr frē) Said of a substance in which a radioactive or other tagged atom is found in every molecule; the highest possible specific activity. |