beta decay
复数形式
beta decays
1
β衰变, 贝塔衰变
a type of radioactive decay where a nucleus emits a beta particle (electron or positron) to transform a neutron into a proton or vice versa
- Carbon-14 undergoes beta decay to nitrogen-14 with the emission of an electron.
碳-14通过β衰变转变为氮-14并发射一个电子。
- Strontium-90 undergoes beta decay to become yttrium-90.
锶-90经历β衰变成为钇-90。
- Beta decay plays a crucial role in the decay chain of many radioactive isotopes.
β衰变在许多放射性同位素的衰变链中起着至关重要的作用。
- Scientists use beta decay to date organic materials through radiocarbon dating.
科学家利用β衰变通过放射性碳定年法测定有机材料的年代。
- Strontium-90, a byproduct of nuclear fission, undergoes beta decay to yttrium-90, releasing high-energy electrons in the process.
锶-90是核裂变的副产品，经过β衰变变成钇-90，在此过程中释放高能电子。