nucleus

noun

1. 核；原子核
   the part of an atom that contains most of its mass and that carries a positive electric charge
2. 细胞核
   the central part of some cells, containing the genetic material
3. 核心；中心
   the central part of sth around which other parts are located or collected
   1. These paintings will form the nucleus of a new collection.
      这些画将构成新的收藏系列的基础。

1. N-COUNT (原子)核
   The nucleus of an atom or cell is the central part of it.
   1. Neutrons and protons are bound together in the nucleus of an atom.
      在原子核里，中子和质子是结合在一起的。
2. N-COUNT (组织的)核心，中心
   The nucleus of a group of people or things is the small number of members which form the most important part of the group.
   1. The Civic Movement could be the nucleus of a centrist party of the future.
      公民运动的成员可能会成为未来中间派政党的核心。

1. A neutron is simply a neutral particle in the nucleus of an atom.
   中子就是原子核里不带电的粒子。
2. Neutrons and protons are bound together in the nucleus of an atom.
   在原子核里，中子和质子是结合在一起的。
3. The repulsive force within the nucleus is enormous.
   核子内部的斥力是巨大的。
4. Many people believe that the family is the nucleus of the community.
   许多人认为家庭是社会的核心。
5. In this condition, they are sometimes referred to collectively as the chromatin of the nucleus.
   在这种情况下，人们有时笼统地称它们为核染色质。
6. A nucleus can have only one y-chromosome.
   一个核可以仅有一个y染色体。
7. The nucleus of light cells were larger than that of dark cells.
   亮细胞和移行细胞的细胞核明显大于暗细胞。
8. The study of denominal verbs are on two levels: the lexical level and the nucleus level.
   名词动用有在词汇层面上的研究和在动核层面上的研究。
9. Objective To know the ultrastructure and function of synapse in mammal's medulla oblongata megacell reticular nucleus.
   目的探讨哺乳动物延髓巨细胞网状核内突触的超微结构及其功能。
10. The electron's high probability zone formed spiral standing waves around the carbon atom's nucleus.
    电子的高概率区域形成了碳原子核周围螺旋驻波。
11. The Verve operating system consists of a nucleus, a kernel and one or more applications.
    Verve操作系统由内核（nucleus）、核心（kernel）和一个或多个应用程序组成。
12. We have a helium nucleus and one electron.
    我们有一个氦核和一个电子。
13. This nucleus has captured the slow-moving neutrons; The star captured a comet.
    这核子已经俘获慢运动的中子；这颗恒星俘获了一颗慧星。
14. The other male gamete fuses with the secondary nucleus, forming the primary endosperm nucleus.
    另一个雄配子和次生核结合形成初生胚乳核。
15. And, it involves a single electron orbiting a positively charged nucleus.
    包含了一个单独的电子轨道，一个带正电荷的核。
16. Objective To observe the expression of MMP-1and TIMP-1 in nucleus pulposus cells of intervertebral disc degeneration.
    目的测定MMP-1及TIMP-1在人退变椎间盘髓核中的表达，探讨其在人椎间盘退变发生、发展中的作用。
17. There is a unity of the two opposites, the nucleus and the electrons.
    有原子核和电子两个对立面的统一。
18. The deuteron can fuse with another proton to make a helium 3 nucleus.
    氘核可以和另一个质子聚合以生成一个氦3核。
19. A pair of nucleus gene and cytoplasm gene take common effects on A2 – CMS.
    A2型不育性是由一对细胞核基因和细胞质基因共同作用。
20. A rudimentary description of a nucleus consists in specifying the number of protons and neutrons it contains.
    对某个原子核的初步描述，在于确定它所含的质子和中子的数目。
21. The two sperm nuclei and the tube nucleus are all derived from a single microspore nucleus by mitosis.
    两个精核和管核都是从同一个小孢子核有丝分裂产生的。
22. In this process the nucleus breaks up into two intermediate-sized nuclei.
    在这种过程中，那个原子核分裂成两个中等大小的核。
23. The entire process of cell division including division of the nucleus and the cytoplasm.
    有丝分裂过程包含细胞核和细胞质分裂的整个细胞分裂过程。
24. Results EGR1 mRNA and EGR1 protein positive signals were brown in colour and located in the cytoplasm and nucleus.
    结果egr-1mrna和egr-1蛋白阳性信号呈棕褐色，位于细胞浆和细胞核。
25. Objective To study the effect of hypertonic stimulation on the expression of phosphotyrosine in supraoptic nucleus of rat.
    目的研究高渗刺激对大鼠视上核酪氨酸蛋白磷酸化的影响。
26. The nucleus and cytoplasm of the trophozoite was amaranth and blue respectively.
    滋养体有紫红色的细胞核和蓝色的细胞质。
27. This is the lithium nucleus plus electron.
    这是锂原子核加上一个电子。
28. The sum of the number of neutrons and protons in an atomic nucleus.
    原子核中中子和质子数之和。
29. Chinese culture is the parent and nucleus of Taiwan culture.
    台湾文化的母体和核心是中华文化。
30. We have an orbiting electron but a stationary nucleus.
    我们有一个在轨运行的电子和一个静止原子核。

noun

1. the central structure of the lens that is surrounded by the cortex

   Synonym:    lens nucleus

2. a part of the cell containing DNA and RNA and responsible for growth and reproduction

   Synonym:    cell nucleuskaryon

3. any histologically identifiable mass of neural cell bodies in the brain or spinal cord

4. a small group of indispensable persons or things
   1. five periodicals make up the core of their publishing program

   Synonym:    corecore group

5. the positively charged dense center of an atom

6. (astronomy) the center of the head of a comet