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

CET6TEM8化学

BNC.26755 / COCA.19394



牛津词典

noun

  1. (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
    1. 细胞分裂;裂体生殖
      the division of cells into new cells as a method of reproducing cells
      1. (化学键)断裂;裂变
        the breaking of a chemical bond between two atoms

        柯林斯词典

        1. (核)裂变,分裂
          Nuclear fission is the splitting of the nucleus of an atom to produce a large amount of energy or cause a large explosion.

          双语例句

          1. Nuclear fission releases tremendous amounts of energy.
            核裂变释放出巨大的能量。
          2. 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。
          3. 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。
          4. When atoms split, the process is called "fission".
            原子分裂时,其过程被称为裂变。
          5. Indirect ionization by neutrons can also result from fission of plutonium or uranium isotopes.
            通过使钚或铀同位素裂变,中于也能产生间接的电离作用。
          6. None of the xenon isotopes we measured were the direct result of uranium fission.
            我们所测量到的氙同位素,根本都不是直接由铀的核分裂而来。
          7. 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。
          8. The discovery of the nuclear fission is a new departure in physics.
            核分子分裂的发现是物理学上的一个新起点。
          9. The laboratory has designed, tested and evaluated a lightweight, low-yield fission device.
            该试验室设计,试验和鉴定了一种轻巧、低当量的裂变装置。
          10. 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。
          11. 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。
          12. 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。
          13. It avoids these problems of duplication and fission.
            它能避免复制和分裂的问题么。
          14. 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。
          15. 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。
          16. 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。
          17. 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。
          18. 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。
          19. The time nuclear fission takes place vast energy is released.
            核裂变发生时,放出大量的能。
          20. 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。
          21. Essentially, all the neutrons and part of the gamma rays are emitted in the actual fission process.
            从根本上说,所有的中子和一部分γ射线都是在裂变实际的过程中放射出来的。
          22. 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。
          23. Before humans can enter a self sustaining modality of thought-form, fission thought-form must be released and transcended.
            在人类能进入到一个自我维生的思想形态中之前,核裂变的思想形态必须得到解除和超越。
          24. It was not our intent to create fission and destruction.
            制造核裂变及破坏并不是我们的意图。
          25. Cadmium has the ability to absorb neutrons, so it is used as a barrier to control nuclear fission.
            镉有吸收中子的能力,所以它被用作防止核裂变的屏障。
          26. 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。
          27. 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”。
          28. To cause to undergo nuclear fission or fusion.
            使裂变或聚变使遭受核裂变或聚变。
          29. 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。
          30. Caesium-134 is produced in nuclear reactors, not directly by fission, but by the reaction.
            铯-134来自核子反应器,并不直接经由核分裂产生,而是由一般反应生成。

          英英释义

          noun

          1. a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy

              Synonym:    nuclear fission

            1. reproduction of some unicellular organisms by division of the cell into two more or less equal parts