fission
英 [ˈfɪʃn]
美 [ˈfɪʃn]
n. (核)裂变，分裂; 细胞分裂; 裂体生殖; (化学键)断裂; 裂变
现在分词：fissioning
BNC.26755 / COCA.19394
牛津词典
noun
- （核）裂变，分裂
the act or process of splitting the nucleus (= central part) of an atom, when a large amount of energy is released - 细胞分裂；裂体生殖
the division of cells into new cells as a method of reproducing cells - （化学键）断裂；裂变
the breaking of a chemical bond between two atoms
柯林斯词典
- (核)裂变，分裂
Nuclearfissionis the splitting of the nucleus of an atom to produce a large amount of energy or cause a large explosion.
英英释义
noun
- a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
- reproduction of some unicellular organisms by division of the cell into two more or less equal parts
双语例句
- When atoms split, the process is called "fission".
原子分裂时，其过程被称为裂变。 - A design is given about fast and high detection efficiency fission chamber for prompt neutron decay constant measurements.
介绍了一支用于瞬发中子衰减常数测量的高效率快裂变室的设计方案。 - As expected, the researchers found the xenon isotope produced by uranium fission in uranium minerals from this deposit.
正如所预料的那样，研究人员发现氙同位素是由这些沉积矿床中的铀矿物裂变产生的。 - Now the energy that we're trying to capture is kinetic energy of these fission products.
现在，我们能够尝试获得的能量，就是这些裂变产物的动能。 - Some scientists in Denmark realized the military significance of this atomic fission or splitting of the atom.
丹麦的一些科学家，认识到了这种原子裂变或原子分裂的军事意义。 - Nuclear fission has contributed to our society some new phrases& critical mass and critical size.
原子核裂变给我们的社会带来了一些新词汇“临界质量”和“临界大小”。 - Faith in controlled nuclear fission is now being shown by the construction of atomic power stations.
现在原子能电站的建造，显示了对受控核裂变的信心。 - The node fission during the B-tree creating can reduce the running efficiency and the space utilisation.
树的生成过程中结点的分裂会降低生成过程的系统运行效率和存储利用率。 - Niels Bohr and John Wheeler published a theory of the dynamic process of fission.
尼恩、波尔和惠勒以惊人的速度发表了裂变的动力过程的理论。 - Let us make the most of this lesson and heal the past of the rifts that fission has caused.
让我们最大学会这一课程，并疗愈过去核裂变所造成的裂痕。