ion

英 [ˈaɪən]

美 [ˈaɪən]

n.  离子

复数：ions　

CET6TOEFLIELTSTEM8化学

Collins.1 / BNC.6303 / COCA.10273

牛津词典

noun

• 离子
  an atom or a molecule with a positive or negative electric charge caused by its losing or gaining one or more electrons

柯林斯词典

• 离子
  Ionsare electrically charged atoms.

英英释义

noun

• a particle that is electrically charged (positive or negative)

双语例句

• A heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ions.
  杂环化合物，由一个金属离子通过配位键与至少两个非金属离子相连。
• Experiments on adsorption of ammonium ion to fibers were carried out by two methods.
  对铵离子吸附到纤维的实验进行了两种方法。
• Different process parameters were employed in this paper to experiment on ion nickelizing by double glow discharge.
  采用不同的工艺参数对工业纯铁进行了离子渗镍试验。
• The recognition to solution theory early and foundation of ionization theory and formation of ion hydration are introduced.
  介绍了对溶液理论的早期认识、电离学说的创立和离子水化的形成过程。
• Deionized water and tap water with different ion concentration and electrical conductivity were used as the working fluid.
  所采用的极性流体是具有不同离子浓度和导电率的去离子水和自来水。
• Up to now almost all studies on the cathode materials for a magnesium ion secondary battery have been reviewed.
  综述了迄今为止关于镁离子二次电池正极材料的研究。
• The ion current contains rich combustion information.
  离子电流信号包含了丰富的燃烧信息。
• Primary economic benefit evaluation was performed on electrodialysis and ion exchange resin.
  对电渗析和离子交换树脂两种脱盐方式进行了初步的经济效益评价。
• Objective: To compare the oxygen partial pressure and calcium ion concentration between acupoints and their corresponding non-acupoints.
  目的：比较穴位与非穴位中氧分压和钙离子浓度的差异。
• Main separation mechanism of high performance liquid chromatography contains absorption, distribution, ion exchange and exclusion function.
  高效液相色谱法的主要分离机制有吸附、分配、离子交换和排阻作用。