beta decay meaning in English
【原子能】β衰变。
Examples
- Let us very briefly rehearse one or two facts about nuclear beta decay .
让我们非常简要地复述一下有关该衰变的一两件事实。 - The radioactive transformation giving rise to these electrons was known as beta decay .
产生这种电子的放射性变化，称为衰变。 - The shape of the electron spectrum in beta decay is not dominated by properties of the matrix element .
衰变的电子谱的形状不取决于矩阵元的性质。 - Couched in mathematical language within the framework of the quantum theory, it gave a satisfying explanation of beta decay .
如按量子理论的观点表达为数学语言，就可对衰变作出满意的解释。 - 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) 。