radioactive alpha decay
常见例句
- Alpha particles are these helium nuclei, and they are the result of radioactive decay.
阿爾法粒子是氦核，它們是放射性衰變的産物。 - The first type discovered -- alpha decay -- is when a radioactive particle emits a Helium nucleus !
我們發現的第一種衰變方式——阿爾法衰變——是放射性粒子産生氦分子！ - As radon progeny decay, they emit radioactive alpha particles and attach to aerosols, dust and other particles in the air.
氡子核在衰變時發射出放射性阿爾法粒子，這些粒子可附著於空氣中的浮質、灰塵及其它粒子。 - Alpha particles are these helium nuclei, and they are the result of radioactive decay.
阿爾法粒子是氦核，它們是放射性衰變的産物。
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