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- The unstable nuclei are said to be radioactive and called radionuclides. The released particles and electromagnetic waves are called radiation. 这些具有放射性的原子核称为放射性核素,而放出的粒子和电磁波则统称辐射。
- Unstable nuclei attempt to achieve stability by emitting some form of radiation, until they transform themselves into stable isotopes. 如果原子核是重核，也就是说原子核如含有大量质子和中子，就可能更加趋于不稳定。
- Since the unstable nuclei exist between actinides, including thorium and stable nuclei like lead and bismuth, explosive events such as supernovae are required to produce actinides. 自不稳定核之间存在着锕系元素;包括钍和稳定核像灌了铅;铋;爆炸性事件;如超需出示锕.
- The fortress was the nucleus of the ancient city. 这城堡是这座古城的中心。
- The protoplasm outside the nucleus of a cell. 细胞质，细胞浆细胞分子外部的细胞质
- The price of gasoline is unstable. 汽油价不稳定。
- Most of the countries in the region have unstable economies. 这个地区大多数国家的经济都不稳定。
- These 1000 books will form the nucleus of the new school library. 这一千本书将构成学校新图书馆藏书的基础。
- unstable nucleus 不稳定核
- The cause of flight of capital is the unstable political situation. 资本外逃是因为政治的不稳定。
- The atomic center is the nucleus, and the electronics winds revolve it. 原子的中央是原子核，电子绕着它旋转。
- The table is unstable because one leg is shorter than the others. 这桌子一条腿比其它的腿短，所以不平稳。
- If it were gentle, only the more unstable rods fell. 若地震是微弱的，仅那些比较不稳定的杆子倒下。
- A proton or a neutron, especially as part of an atomic nucleus. 核子质子或中心，尤指作为原子核的一个组成部分
- The enemy coalition was unstable enough. 敌人的联盟是很不稳固的。
- The colorless, liquid component of the cell nucleus. 细胞核液细胞核中无色的液体成分
- The political situation was unstable. 政局不稳。
- Existing or acting outside the nucleus of an atom. 原子核外的出现或行动于原子核外的
- The hydroperoxides are unstable compounds. 氢过氧化物是不稳定的化合物。
- An atom contains a tiny heavy nucleus. 一个原子含有一个微小而重的核。
