Physics & Astronomy
cyclotrons
61%
contamination
58%
positrons
58%
tomography
51%
radioactive contaminants
39%
air
39%
radiochemistry
35%
cells
35%
synthesis
31%
research and development
24%
outlets
24%
delivery
20%
scanners
20%
counters
19%
counting
18%
modules
18%
preparation
15%
computer programs
15%
atmospheres
15%
dosage
14%
thresholds
13%
geometry
12%
gases
11%
Medicine & Life Sciences
Cyclotrons
100%
Radiopharmaceuticals
79%
Positron-Emission Tomography
61%
Air
52%
thallium-doped sodium iodide
42%
Radiochemistry
38%
Atmosphere
25%
Population Groups
22%
Radioisotopes
22%
Formal Social Control
22%
Workload
22%
Gases
18%
Software
16%
Earth & Environmental Sciences
tomography
56%
contamination
43%
cell
40%
air
35%
gas storage
26%
scanner
21%
research and development
21%
radionuclide
19%
dose
16%
regulation
15%
geometry
14%
software
14%
pollutant
12%
atmosphere
12%
laboratory
11%
program
11%
Chemical Compounds
Radiopharmaceutical
80%
Positron
76%
Radiochemistry
49%
Effective Dose
47%
Radioisotope
35%
Volume
18%
Gas
17%
Social Sciences
environmental pollution
69%
air
52%
population group
24%
workload
21%
research and development
19%
software
14%
mathematics
14%
regulation
12%