| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | neptunium | nuclear industry | Neptunium is utilized in nuclear reactors to generate plutonium and other transuranic elements. | 2 |
| 2 | neptunium | scientific community | Neptunium is a highly radioactive element used in nuclear reactors and scientific research by the scientific community. | 2 |