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- In some kinds of beta decay, a nuclide loses surplus positive charge by emitting a positron (in the same event, a proton becomes a neutron, and neutrinos are also given off). 以某种贝它衰减，一个核素靠发出一个正电子失去剩余正电荷(在相同的事件中，一个质子变成一个中子，而且也发射微中子)。
- THE ADVANCE OF IHEORY OF BETA DECAY 衰变理论的提出
- What made the Roman Empire decay? 罗马帝国为何衰亡？
- Old civilization may fall into decay. 古老的文化可能会渐渐衰落下去。
- The empty house has fallen into decay. 那座空房已成一片颓垣。
- The tree exhibited signs of decay. 那棵树显示腐蛀的迹象。
- His mental decay is distressing. 他的智力衰退令人苦恼。
- Growth and decay are vital processes. 生长和衰亡是生命过程。
- The dentist could detect no decay in her teeth. 牙医检查了她的牙，未见有龋齿。
- Cavities in teeth are caused by decay. 牙齿的蛀洞是由蛀蚀造成的。
- allowed beta decay 容许衰变
- Human remains, especially after cremation or decay. 骨灰人的遗骸，尤指在火化或腐烂后
- fermi beta decay theory 费米衰变理论
- A source of spreading corruption or decay. 腐败的原因传布腐败或腐朽的根源
- The puzzle of beta decay 贝它衰变的困惑
- Someday you may be a Phi Beta Kappa! 有一天你也可能成为斐陶斐的一员。
- Breakdown or decay of organic materials. 腐烂; 分解指有机物的分解或腐败
- In truth, moral decay hastened the decline of the Roman Empire. 事实上，道德沦丧加速了罗马帝国的衰亡。
- beta decay 衰变
- Beta vulgaris L. var. rosea Moq. 根甜菜 -俗称:紫菜头
