难检字字典在线查询

汉语拼音：liè biàn

1.重原子核（如铀核、钚核）分裂为轻原子核（如钡核和氪核、氙核和锶核）并放出巨大能量的过程。原子弹爆炸就是利用铀或钚的不可控制的裂变反应，产生巨大的破坏作用。

2.泛指分裂变化。

• The fission of the cell could be inhibited with certain chemicals.

  细胞的裂变可以通过某些化学药品加以抑制.

• Inside the reactor the large molecules are cracked into smaller molecules.

  在反应堆里,大分子裂变为小分子.

• The large molecules are cracked into smaller molecules.

  大分子裂变为小分子.

• The laboratory has designed, tested and evaluated a lightweight, low - yield fission device.

  该试验室设计, 试验和鉴定了一种轻巧 、 低当量的裂变装置.

• The discovery of fission was a seed dropped on fertile ground.

  裂变的发现犹如种子落入沃土.

• The amount of material produced during fission is insignificant.

  裂变时产生的物质数量是不够的.

• The average fission width can be obtained from a statistical argument.

  能够从统计理论得到裂变宽度.

• Each of the states splits up into pairs of levels.

  每一种能态都将裂变成两种能极.

• Fission bombs use highly enriched fuel.

  裂变原子弹使用高度浓缩燃料.

• When atoms split, the process is called " fission ".

  原子分裂时, 其过程被称为 “ 裂变 ”.

• The fission products formed are highly radioactive.

  所生成的裂变产物具有很强的放射性.

• Niels Bohr and John Wheeler published a theory of the dynamic process of fission.

  尼恩、波尔和惠勒以惊人的速度发表了裂变的动力过程的理论.

• Indirect ionization by neutrons can also result from fission of plutonium or uranium isotopes.

  通过使钚或铀同位素裂变,中于也能产生间接的电离作用.

• Some atoms decompose only after being bombarded with high energy particles.

  有的原子受到高能粒子轰击之后才会裂变.

• Let me from the rigid thinking of the fissile core of difficult.

  让我从僵硬的思维内核中艰难的裂变.