生命与放射性核种间的关联是很直接的。
Connection between life and radioactive nuclei is straightforward.
针对运营时间超过50年的微型电子机械系统的基于物理放射性核种Ni- 63的电源。
Electrical power source based on radionuclide Ni-63 for micro-electro-mechanical systems with operation time in excess of 50 years.
这四种新元素都是人造的，是由火花与原子核相互撞击并且循着放射性超重元素衰变的轨迹而发现的。
The four new elements, all of which are synthetic, were discovered by slamming lighter -nuclei into each other and tracking the following decay of the radioactive superheavy elements.
原子核的一种放射性过程，在这种过程中由于放出一个伽马射线而损失能量，但并不改变原子序数或质量。
A radioactive process in which an atomic nucleus loses energy by emitting a gamma ray without a change in its atomic or mass Numbers.
原子核的一种放射性过程，在这种过程中由于放出一个伽马射线而损失能量，但并不改变原子序数或质量。
A radioactive process in which an atomic nucleus loses energy by emitting a gamma ray without a change in its atomic or mass Numbers.
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