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单词 ion
释义

ion /'aɪən//'aɪən/

英汉-汉英词典
n. <物>离子
词组 | 习惯用语
ion exchange 离子交换
metal ion 金属离子
ion beam 离子束
ion implantation 离子注入
ion exchange resin 离子交换树脂(多孔合成树脂的总称)
negative ion 阴离子
lithium ion battery 锂离子电池
ion concentration 离子浓度
chloride ion [化]氯根离子
ion source [物]离子源
positive ion 阳离子;正离子
ion plating 离子电镀
ion channel 离子通道
heavy metal ion 重金属离子
ion current 离子电流;离子流;离子束
copper ion 铜离子
ion exchanger [化]离子交换剂
ion trap 离子阱
hydrogen ion 氢离子
ferric ion 铁离子;高铁离子
英语例句库
  1. The formation of polyhalide depends on the combination of central halide ions.
    多卤化物的形成取决于中心卤化物离子的结合。
  2. The weak antiferromagnetic interaction exists between Co(II) ions intrachain.
    发现在链间的Co(II)离子之间存在着较弱的反铁磁相互作用。
  3. We sailed from Perth with a cargo of raw ion.
    我们装着一船生铁从佩思启航。
  4. This paper introduces the arc added glow discharge ion titanizing technique.
    介绍了一种新的表面合金化技术———加弧辉光离子渗钛技术。
  5. Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
    环氧化合物,环硫化合物和乙烯亚胺也可以按类似于环氧?睦胱拥幕?理进行聚合。
  6. This paper introduces the application and development of ion plating, ionodialysis, ion implantation and the compound technology.
    介绍了离子镀、离子渗、离子注入及其复合工艺的应用与发展。
  7. Furthermore, the protein isolated in the periplasm can be purified by nickel ion affinity chromatography.
    而且从周质空间分离的蛋白经过镍住得到了进一步的纯化。
  8. Abstract Secondary ion mass spectrometry(SIMS) is more sensitive than other surface microregion analysis instrumentals.
    摘要 二次离子质谱 ( SIMS)比其他表面微区分析方法更灵敏。
  9. The possibility of its potential application is discussed for separation of actinon-lanthanon mixtures by ion exchange.
    讨论了该离子交换法在分离锕-镧系元素上应用的可能性。
  10. The foamy substances cover foam protein, polypeptide, isohumulone, melanoid, metal ions, amylase, alcohol and barm etc.
    使啤酒形成泡沫的物质有泡沫蛋白和多肽、异葎草酮、类黑素、金属离子、多糖、酒精、二氧化碳及酵母等。
  11. The results show that treating ammoniated waste water by ion exchange Tech. on clinoptilolite is feasible.
    以斜发沸石作为离子交换剂处理氨氮废水是可行的。
  12. Some advice regarding chlorinity expressing measure and assessment method in the chloride ion permeability test is proposed.
    并对混凝土氯离子渗透性试验的氯离子浓度表示和评价方法提出建议。
  13. A stepwise procedure for isolation and purification of lactoperoxidase by ultrafiltration and ion exchange chromatography was investigated.
    采用超滤-离子交换色谱分步洗脱法,对牛初乳中的乳过氧化物酶进行了分离和纯化。
  14. Carbenium ion is an active intermediate state in organic reactions,which has been investigated for over 100 years.
    正碳离子是有机化学反应过程中一种活泼的反应中间体,对于它的研究已经有100多年的历史。
  15. 10.Abstract: This paper introduces the application and development of ion plating, ionodialysis, ion implantation and the compound technology.
    介绍了离子镀、离子渗、离子注入及其复合工艺的应用与发展。
  16. The sulphide layer with a certain thickness was produced on 45(1045) steel by low temperature ion sulphurizing process.
    采用低温离子渗硫技术在45钢表面形成一定厚度的渗硫层。
  17. A rapid, efficient and interference free pyrohydrolysis ion chromatography determination of chlorine and sulfur in rocks was described.
    研究开发了一种热水解离子色谱法测定岩石样品中的氯和硫的方法技术。所研究开发的方法具有灵敏、高效、无干扰和准确的特点。
  18. The inositol in preblend fish feed was detected by ion chromatorgraphy, and the method was simple, rapid and precision.
    摘要采用离子色谱技术快速测定鱼预混饲料中肌醇含量。该方法具有试样制备简单,分析干扰少,速度快,结果凖确等特点。
  19. It will lay a good foundation for studying the mechanism of the interaction of anti-oxidases with rare earth ions.
    这可为研究稀土离子与植物体保护酶作用机理打下坚实的基础。
  20. Abstract : A new colorimetric chemosensor 1 based on a tripodal benzaldehydic-phenylhydrazone selectively sensing acetate ion has been synthesized.
    摘要 : 本文合成了一个新的基于三脚架苯甲醛苯腙的能够选择地检测醋酸根离子的比色化学传感器 1 。

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原声例句
VOA Special 2019年1月合集

This would lead to much lower costs to produce sodium ion for batteries.

这可以大幅降低生产钠离子电池的成本。

VOA慢速英语_世界

Still, calcium chloride does put chloride ion, which plants don't like, into the soil.

不过,氯化钙确实会把植物不喜欢的氯离子注入土壤。

CNN 精选 2015年8月合集

The rechargeable lithium ion ones, right?

可充电的锂子电池, 对吗?

如何避免气候灾难

Lithium ion is one that most people know.

离子是大多数人都知道的一种。

如何避免气候灾难

A conventional lithium ion battery uses a liquid electrolyte.

传统的锂电池使用的是液体电解质。

Scishow 精选系列

We haven't identified which receptors recognize the anion, or negatively charged ion, in a salt.

我们尚未确定哪些受体识别盐中的阴离子或带负电的离子

科学60秒 2017年4月合集

Then tiny molecular strands, just 192 atoms long, assembled themselves around the ions.

然后,只有192原子长的小分子链围绕金属离子聚集起来。

超女 第02季 S02

Whoa, okay. Satellites have detected ion thruster activity, guys.

卫星已经侦测到离子推进器活动了 各位。

TED演讲(视频版)双语精选

This rat trap represents an ion channel.

这个“捕鼠夹”代表了一个离子通道。

生物学基础入门

Glucose and ions need carrier proteins to move across the membrane.

葡萄糖和离子需要载体蛋白才能穿过细胞膜。

中文百科

离子

离子也是构成化学结构的基本粒子
伽凡尼电池

离子是指原子由于自身或外界的作用而失去或得到一个或几个电子使其达到最外层电子数为8个(如第一层是最外层,则为7个,若是氢离子,则没有外层电子)的稳定结构。这一过程称为电离。电离过程所需或放出的能量称为电离能

在化学反应中,金属元素原子失去最外层电子,非金属原子得到电子,从而使参加反应的原子或原子团带上电荷。带电荷的原子叫做离子,带正电荷的原子叫做阳离子,带负电荷的原子叫做阴离子。阴、阳离子由于静电作用而形成不带电性的化合物。

与分子、原子一样,离子也是构成物质的基本粒子。如氯化钠就是由氯离子和钠离子构成的。

英语百科

Ion 离子

Hydrogen atom (center) contains a single proton and a single electron.  Removal of the electron gives a cation (left), whereas addition of an electron gives an anion (right).  The hydrogen anion, with its loosely held two-electron cloud, has a larger radius than the neutral atom, which in turn is much larger than the bare proton of the cation. Hydrogen forms the only cation that has no electrons, but even cations that (unlike hydrogen) still retain one or more electrons are still smaller than the neutral atoms or molecules from which they are derived.
Schematic of an ion chamber, showing drift of ions. Electrons drift faster than positive ions due to their much smaller mass.[2]
Avalanche effect between two electrodes. The original ionisation event liberates one electron, and each subsequent collision liberates a further electron, so two electrons emerge from each collision: the ionising electron and the liberated electron.
Mixed Roman numerals and charge notations for the uranyl ion. The oxidation state of the metal is shown as superscripted Roman numerals, whereas the charge of the entire complex is shown by the angle symbol together with the magnitude and sign of the net charge.

An ion (/ˈən, -ɒn/) is an atom or a molecule in which the total number of electrons is not equal to the total number of protons, giving the atom or molecule a net positive or negative electrical charge. Ions can be created, by either chemical or physical means, via ionization.

近义、反义、联想词
近义词
n.
particle, subatomic particle

联想词
cation阳离子;electron电子;proton质子;ionization离子化,电离;ionic离子的;chloride氯化物;protons质子;ligand配合基;boron硼;atom原子;anode阳极;
英英词典
ion n.
  1. a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
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更新时间:2025/6/18 4:01:09