| 释义 |
- 1
If iodine-131, which emits beta particles, is taken up, this can damage DNA and cause thyroid cancer. 如果释放贝塔射线的碘- 131被吸收的话，能够破坏dna，并引发甲状腺癌。 - 2
Beta radiation consist of small particles (electrons) with an incredible speed, Alpha radiation consists of big particles (two protons, two neutrons altogether), also with incredible speed. 贝塔是高速冲击的微小粒子(电子)，阿尔法辐射是高速冲击的大粒子(含有两个质子和两个中子)。 - 3
When alpha and beta particles strike demron , intervening electrons in the salt atoms deflect and slow them down , whereupon they are absorbed into the material. 当与粒子撞及底米龙时，会受盐类原子中的电子影响而偏折并减速，随之被布料吸收。
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