fission
英 ['fɪʃ(ə)n]
美['fɪʃən]
- n. 裂变；分裂；分体；分裂生殖法
词态变化
复数: fissions;
中文词源
fission 裂变
来自fissile, 易裂变的。
英英释意
- 1. a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
- 2. reproduction of some unicellular organisms by division of the cell into two more or less equal parts
英文词源
- fission (n.)
- 1819, "division of a cell or organism," from Latin fissionem (nominative fissio) "a breaking up, cleaving," from past participle stem of findere "to split" (see fissure). Cognate with Old English bitan "to bite." Nuclear physics sense is 1939. As a verb, from 1929.
实用场景例句
- The discovery of fission was a seed dropped on fertile ground.
- 裂变的发现犹如种子落入沃土.
辞典例句
- But with the use of fusion instead of fission, that difficulty is resolved.
- 但是用核聚变方法代替核裂变方法之后, 这一困难将得到解决.
期刊摘选
- 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.
期刊摘选
- The average fission width can be obtained from a statistical argument.
- 能够从统计理论得到裂变宽度.
辞典例句
- As a result, there is less attenuation of the gamma rays from the fission products.
- 这样一来, 从裂变产物中发射出来的γ射线的减弱就要少一些.
辞典例句
- In fission processes fission fragments are very radioactive.
- 在裂变过程中所产生的碎片极具辐射性.
期刊摘选
- Nuclear fission is more promising, but nuclear fuel is also finite.
- 核裂变发电更有前途, 但核燃料也是有限的.
期刊摘选
- The fission of the cell could be inhibited with certain chemicals.
- 细胞的裂变可以通过某些化学药品加以抑制.
《简明英汉词典》
- However, this technology is extremely expensive; one tunnel can use the combined output of 25 fission reactors.
- 但是这项技术非常昂贵; 一个量子通道需要25个裂变反应堆同时提供能量.
期刊摘选
- Coal, energy, and fission and fusion fuels are the most important ones.
- 煤炭 、 太阳能以及裂变聚变燃料是其中最主要的几种.
期刊摘选
- Nuclear energy is liberated as a result of nuclear fission.
- 原子能因核裂变而释放出来了.
期刊摘选
- Uranium fission may be accomplished by either fast or slow neutrons.
- 铀的裂变可用快中子或慢中子来完成.
辞典例句
- The fissionchamber system is composed of vacuum targe chamber fission target and large area PIN detector.
- 针对目前的离子注入实验都是在真空状态下进行的事实,设计了真空内置式大气靶室装置.
期刊摘选
- In some countries that secrecy stemmed from the military uses of nuclear fission.
- 一些国家之所以采取隐秘的方式,是因其将核裂变用于了军事方面.
期刊摘选
- The energy produced during atomic nuclear fission is great enough to destroy the whole city.
- 原子核裂变时产生的能量足以摧毁整座城市.
期刊摘选
- When atoms split, the process is called " fission ".
- 原子分裂时, 其过程被称为 “ 裂变 ”.
辞典例句
- 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.
辞典例句
- All commercial nuclear power is provided by fission at the present time.
- 目前所有的商用核动力都是通过核裂变产生的.
《简明英汉词典》
- 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.
辞典例句
- Coal, solar energy, and fission and fusion fuels are the most important ones.
- 煤炭 、 日头能以及裂变聚变燃料是其中最主要的几种.
期刊摘选
- This year the focus has been fission karma and how it causes everything to break apart.
- 今年的焦点是核裂变业力及它是怎样造成一切撕裂的原因.
期刊摘选
- The absolute fission rates was measured by the depleted uranium fission chamber.
- 用贫化铀裂变室进行绝对裂变率测量.
期刊摘选
- Nothing less than a fission bomb can ignite a thermonuclear reaction.
- 威力比一个裂变炸弹小的任何东西都不能点燃热核反应.
辞典例句
- Nuclear fission releases tremendous amounts of energy.
- 核裂变释放出巨大的能量.
《现代汉英综合大词典》
- Energy is released by the fission of atomic nuclei.
- 能量是由原子核分裂释放出来的。
辞典例句