| 单词 |
overcritical binding |
| 释义 |
overcritical binding overcritical binding[′ō·vər‚krid·ə·kəl ′bīnd·iŋ] (atomic physics) A binding energy for electrons in atoms which is so large that a vacancy in the bound state results in the spontaneous formation of an electron-positron pair; predicted to occur when the atomic number exceeds 173. |
| 随便看 |
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