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- beta decay spectrum β衰变谱
- 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)。
- Pulsed neutron decay spectrum (PND-S) logging can simultaneously measure the gamma ray of inelastic scattering and capture gamma ray. 脉冲中子衰减%25D能谱测井可同时测量非弹性散射伽马射线和俘获伽马射线。
- THE ADVANCE OF IHEORY OF BETA DECAY 衰变理论的提出
- The result is confirmed by the cumulative decay spectrums measured by CLIO. 实验证明,其结果与CLIO测试系统运用累积谱法测得的瞬态特性一致。
- PDK 100 (Pulse and Decay Spectra, 100 Channels) is a pulsed neutron capture logging tool controlled by a microprocessor. 100是由微处理器控制的脉冲中子俘获测井仪。
- 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 survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- 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。
- Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱相对的两端。
- Human remains, especially after cremation or decay. 骨灰人的遗骸，尤指在火化或腐烂后
- allowed beta decay 容许衰变
- Someday you may be a Phi Beta Kappa! 有一天你也可能成为斐陶斐的一员。
- A source of spreading corruption or decay. 腐败的原因传布腐败或腐朽的根源
