原子衰变理论的表现,是一种物质内部的物理现象。
同样,如果不用辐射探测器,我们也不能感觉到放射现象。
Similarly, we can't sense radioactivity without a radiation detector.
我们因此获得了一种通过排斥正电子表现出来的真正的放射现象。
Here therefore we have a true radioactivity which is made evident by the emission of positive electrons.
我们已经展示了人工放射现象的可能性,这种放射现象的特征是用以射线轰击用咄硼和镁中的正电子或负电子。
We have shown that it is possible to create a radioactivity characterized by the emission of positive or negative electrons in boron and magnesium by bombardment with alpha rays.
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