| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | nucleus | nuclear physics | The positively charged central core of an atom, consisting of protons and neutrons | 1 |
| 2 | nucleus | nuclear physics research in the East | In the context of nuclear physics research in East Asia, the nucleus is the central part of an atom, consisting of protons and neutrons. | 1 |