alpha radioactivity
常见例句
- This is because the radioactivity emanating from polonium-210 is in the form of highly energetic alpha particles.
這是因爲釙—210的放射性是以高能阿爾法粒子的形式存在的。 - Type of radioactive disintegration (see radioactivity) in which some unstable atomic nuclei dissipate excess energy by spontaneously ejecting an alpha particle.
放射性蛻變的一類，某些不穩定原子核自發射出一個α粒子以耗散過賸能量。 返回 alpha radioactivity