particle

英 [ˈpɑːtɪkl] 美 [ˈpɑːrtɪkl]

n.  颗粒; 微粒; 粒子; 小品词(与动词构成短语动词的副词或介词)

复数:particles

CET4CET6考研TOEFLIELTSTEM4TEM8化学

Collins.2 / BNC.3155 / COCA.3683



牛津词典

noun

  1. 颗粒;微粒
    a very small piece of sth
    1. particles of dust
      灰尘
    2. dust particles
      尘埃
    3. There was not a particle of evidence (= no evidence at all) to support the case.
      没有丝毫支持这个论点的证据。
  2. 粒子
    a very small piece of matter, such as an electron or proton , that is part of an atom
    1. 小品词(与动词构成短语动词的副词或介词)
      an adverb or a preposition that can combine with a verb to make a phrasal verb
      1. In ‘She tore up the letter’, the word ‘up’ is a particle.
        在She tore up the letter句中,up是小品词。

    柯林斯词典

    1. N-COUNT 微粒;极小量
      A particle of something is a very small piece or amount of it.
      1. ...a particle of hot metal...
        热金属微粒
      2. There is a particle of truth in his statement.
        他的陈述中有一点点实话。
      3. ...food particles.
        食物微粒
    2. 粒子
      In physics, a particle is a piece of matter smaller than an atom, for example an electron or a proton.
      1. (语法中的)小品词
        In grammar, a particle is a preposition such as 'into' or an adverb such as 'out' which can combine with a verb to form a phrasal verb.

        双语例句

        1. A proton is an elementary particle of matter.
          质子是物质的基本粒子。
        2. 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。
        3. There is a particle of truth in his statement.
          他的陈述中有一点点实话。
        4. There is not a particle of truth in what you said.
          你所说的没有一句是实话。
        5. This particle has a very small mass.
          这种粒子的质量很小。
        6. In physics the concept of a noninteracting particle does not exist.
          在物理学的概念里,没有不发生相互作用的粒子。
        7. Today many radioisotopes are produced using the particle accelerator called a cyclotron.
          今天许多放射性同位素是用被称为回旋加速器的粒子加速器来制造的。
        8. As in the particle in a box, it is the boundary conditions that force us to quantize the energy.
          像在箱中粒子那样,边界条件迫使我们使能量量子化。
        9. Astronomers have suspected for more than a decade that supernova shock waves can act like giant particle accelerators.
          十多年以来,天文学家们一直在猜想,超新星激波可以充当巨型粒子加速器。
        10. This energy uncertainty in turn appears as a variability in the apparent mass of the particle.
          这种能量的不确定范围,又表现为粒子表观质量的可变性。
        11. Electrons or any other "particle" should display wave properties to preserve the complementary wave-particle symmetry of nature.
          电子及其他任何粒子都应该显示波的性质,才能体现自然界波粒互补的对称性。
        12. On entry into a cell, the virus particle uncoats.
          进入细胞后,病毒颗粒就打开它的外壳。
        13. Filter layer in sewage scattered particle size, is fit between them.
          滤层粒径与污水中分散颗粒,它们之间是相吻合的。
        14. This is the scattered particle.
          这就是散射粒子。
        15. The treatment of precipitates and the calcination process could affect the particle size distribution and appearance density.
          对沉淀物的处理和烧结过程的控制将会影响到粒子的尺度分布和表观比重。
        16. The influences of emulsifiers and functional monomers on the particle size and particle size distribution of nano-particles were discussed.
          研究了乳化剂、能单体对纳米粒子的粒径及其分布的影响。
        17. Effects of different particle sizes of bamboo flour on mechanical properties of the composites were studied.
          研究了不同粒径竹粉对复合材料力学性能的影响。
        18. The emissivity of condensed-phase product particles was corrected by using impact factor of particle size.
          利用粒径影响因子对闪光剂燃烧产物中凝聚相粒子的发射率进行了修正。
        19. Attach this script to an existing particle system.
          将这个脚本赋予一个存在的粒子系统。
        20. We have prepared a tutorial to help you learn how to identify particle tracks and use the VM.
          我们准备了一个指南来帮助你学习如何用VM识别微粒的轨迹。
        21. The reasons of premature convergence of Particle Swarm Optimization ( PSO) Algorithm were analyzed.
          分析了粒子群优化(PSO)算法易于发生早熟收敛的原因。
        22. Particle size distribution, microstructure and constitutes of MSWI fly ash were analyzed.
          分析了生活垃圾焚烧飞灰的粒径、微观形貌及组成。
        23. I created a Particle Source.
          我创建了一个粒子源。
        24. The shape coefficient and friction coefficient are used to reflect the characteristics of particle outline and surface roughness respectively.
          用形状系数与粒间摩擦因数分别反映颗粒的外轮廓特征和表面粗糙度。
        25. A new method of public traffic line network optimization is presented by particle swarm algorithm.
          针对公交线网优化问题,利用粒子群算法进行了研究。
        26. In this paper, a modified particle swarm optimization method is proposed.
          提出了改进的粒子群优化算法。
        27. The influence factors of particle breakage of carbon black were investigated based on the test of dense phase conveying.
          在炭黑密相气力输送试验的基础上,考察了输送后炭黑粒子的破碎率,研究了影响其破碎率的主要因素。
        28. The game application of the particle systems is studied.
          主要研究了粒子系统在游戏中的应用。
        29. Removes all particles from the particle system.
          从粒子系统中移除所有粒子。
        30. Based on the light scattering principle, a novel method for particle size analysis is presented in this paper.
          基于光散射原理,提出了一种新的测量颗粒粒径大小及分布的方法。

        英英释义

        noun

        1. a function word that can be used in English to form phrasal verbs

          1. a body having finite mass and internal structure but negligible dimensions

              Synonym:    subatomic particle

            1. (nontechnical usage) a tiny piece of anything

                Synonym:    atommoleculecorpusclemotespeck