直接作用:通过能量的量子（quanta energy）击中染色体 b.间接作用:通过电离化（ionization）使细胞内发生化学变化 ，转而使染色体在复制时产生异常 44 (3)辐射剂量与突变率...
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量子隧穿效应是指粒子能够穿过正常来说它的能量不足以通过的障碍。
Quantum tunneling is an effect where a particle can pass through a barrier it would not normally have the energy to overcome.
通过统计所发出X光的数量，然后对照激光脉冲的频率，测量小组能得出一个非常精确的测量值，从2s能级到2p能级跃迁所需的量子能量。
By counting the number of such X-rays while scanning the frequency of the laser pulse, the team could make a very precise measurement of the photon energy required to drive the 2s-2p transition.
我们发现通过有限势垒耦合的双量子线在磁调制下可以用作为电子能量过滤器和分流器。
It is found that the double quantum wires coupled by a finite barrier can be an energy filter and current divider.
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