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- The process by which heavier chemical elements are synthesized from hydrogen nuclei in the interiors of stars. 核合成较重的化学元素从星球内部的氢核合成的过程
- Similar to other main sequence stars, hydrogen nuclei will be fused to helium nuclei in the core. 和其他恒星一样,大质量恒星会在主序阶段把氢转化为氦。
- When the electrons fly away from the hydrogen nuclei,, they are attracted toward the oxygen atoms. 当氢原子的电子飞离其核时，这些电子就被吸向氧原子。
- A catalytic electrode in the cell strips hydrogen nuclei(protons) from the methanol molecules. 电池中的催化电极从甲醇分子中脱去氢核（质子）。
- Zap it from all sides simultaneously with the lasers and, scientists hope, the pellet will implode and the hydrogen nuclei will fuse. 科学家希望，通过从各个方向用激光同时轰击，原子核球发生内爆，氢原子核发生聚变。
- Which turns four hydrogen nuclei to a helium nucleus. The star will have a convective shell and a radiative core just like our own Sun See. 进行,将四颗氢原子核结合为一颗氦原子核,恒星会有辐射核心和一个对流外壳就像我们的太阳。
- In 1939 Hans Bethe suggested that the energy output of the sun and other stars is a result of fusion reactions among hydrogen nuclei. 1939年贝特提出,太阳以及其它恒星输出的能量是氢原子核之间发生聚变反应的结果。
- The fortress was the nucleus of the ancient city. 这城堡是这座古城的中心。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- The raw material for CERN's antimatter factories is made by shooting protons, or naked hydrogen nuclei, into a iridium target, but "instead of speeding them up," Dr.Landua said, "we slow them down. CERN的反物质工厂原料*发射质子或由裸的氢核产生出来,进入一个铱靶之内,Landua博士说,并不是“往上加速它们，”“我们使它们速度减慢下来”。
- The protoplasm outside the nucleus of a cell. 细胞质，细胞浆细胞分子外部的细胞质
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- 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。
- An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of2.014. 氘氢的一种同位素，在其原子核内有一个质子和一个中子，其原子重量为2。014
- 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。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- 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 colorless, liquid component of the cell nucleus. 细胞核液细胞核中无色的液体成分
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- The nucleus of the smallest atom - the hydrogen atom, contains only one proton. 氢是最细小的原子,它的原子核内只有一颗质子。
