放射指示剂

non-radioactive electron capture detector

radioactive labeling procedure

radiation hydrogeology【地质】;radioactive hydrogeology【地质】;radiohydrogeology【地质】

radioactive contamination

radiation well logging【地质】;radioactive well logging【地质】;radioactivity logging【地质】

radioactive substance

radioactive

radioactive intensity【核】;intensity of radioactivity【核】;radioactivity【核】