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
- Nuclear fission would have been a dramatic discovery at any time.
在任何时候，原子核裂变都会成为引人注目的发现。 - 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。 - Nuclear fission, a process whereby a uranium nucleus absorbs a neutron, is not.
核裂变却是一个铀核吸收一个中子，而不是其它过程。 - Not fission, whereby uranium and plutonium breaks up in pieces, but fusion.
不是裂变，靠那个铀和钚，变成碎片，而是聚变。 - 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”。 - 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。 - In fission processes the fission fragments are very radioactive.
在裂变过程中，裂变碎片具有强烈的放射性。 - The latter property of nuclear fission has a significant implication.
核裂变的这后一个性质有一个重要的应用。 - 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。 - We have a yield rate of neutrons, if a fission occurs at energy E this is the spectrum of neutron energies that are produced.
我也有中子的收益率，如果一个裂变发生了在能量E，这是，产生的中子能量的光谱。