cation
英 ['k?ta??n]
美['k?ta??n]
- n. [化學(xué)] 陽(yáng)離子；[化學(xué)] 正離子
- n. (Cation)人名；(英)凱申
暢通詞匯
中文詞源
cation 陽(yáng)離子
cata-, 向下。ion, 離子，來(lái)自拉丁詞eo, 走，詞源同exit(eo過(guò)去分詞), commencement(eo現(xiàn)在分詞)。
英文詞源
- cation (n.)
- 1834, from Greek kation "going down," neuter present participle of katienai "to go down," from kata "down" (see cata-) + ienai "to go" (see ion). Proposed by the Rev. William Whewell (1794-1866), English polymath, and published by English physicist Michael Faraday.
雙語(yǔ)例句
- 1. Messaging allows real-time communi-cation by keyboard with up to five people at any one time.
- 電子信息發(fā)送能使多至5人同時(shí)通過(guò)鍵盤進(jìn)行實(shí)時(shí)交流。
來(lái)自柯林斯例句
- 2. A spokesman said: "We have no comment regarding the publi-cation of these photographs."
- 一位發(fā)言人說(shuō)，“對(duì)于這些照片的公之于眾，我們不予置評(píng)?！?/dd>
來(lái)自柯林斯例句
- 3. Cation exchange capacity generally increases with an increase in broken bonds.
- 通常陽(yáng)離子交換量隨破裂增加而增大.
來(lái)自辭典例句
- 4. An increase in cation exchange capacity of the tissue should be observed.
- 可以觀察到植物組織中陽(yáng)離子置換能力的提高.
來(lái)自辭典例句
- 5. The cation penetrates the spore.
- 這種陽(yáng)離子能透入孢子.
來(lái)自辭典例句