electron

英 [ɪˈlektrɒn]

美 [ɪˈlektrɑːn]

n.  电子

复数：electrons　

CET4CET6考研TOEFLTEM4TEM8化学

Collins.2 / BNC.4252 / COCA.5566

牛津词典

noun

• 电子
  a very small piece of matter (= a substance) with a negative electric charge, found in all atoms

柯林斯词典

• 电子
  Anelectronis a tiny particle of matter that is smaller than an atom and has a negative electrical charge.

英英释义

noun

• an elementary particle with negative charge
  Synonym:negatron

双语例句

• The scanning electron microscope provides information on chemical composition by use of X-ray spectrometer attachments.
  扫描电子显微镜能利用x射线谱仪的附件来提供化学组分的信息。
• Magnetic coils focus the electron beams into fine spots.
  磁线圈把电子束聚焦成微小的点。
• The influence of the beam voltage and magnet field on electron beam performance was studied.
  并对电子注在不同工作电压和磁场下的质量进行了分析计算。
• The electron microscope uses a beam of electrons to produce images at high magnifications
  电子显微镜利用电子束形成高倍影像。
• The beryls were studied in this paper by using the electron microprobe analyses and back scattered-electron imaging.
  利用电子探针和背散射电子成像技术对该岩脉中绿柱石进行了较系统分析。
• Well, this chlorine has taken one electron from the sulfur.
  对了，这个氯从硫那里得到了一个电子。
• The distribution and fine structure of lymphatic vessels in goat cardiac ventricles were examined by light and electron microscopy.
  用光镜和透射电镜对山羊心室淋巴管的分布和微细结构进行了研究。
• Her recent work in electron microscopy stimulated a new line of research.
  她最近的工作，在电子显微镜学上开创了一个新的研究领域。
• High resolution transmission electron microscopy and selected area electron diffraction were used to characterize the products.
  利用高分辨透射电镜和电子衍射仪器对合成的纳米颗粒的结构进行了表征。
• Except for the transitional elements, valency electrons are in the outermost electron shell.
  除去过渡元素外，价电子位于最外面的电子层。