cation是什么意思 cation的用法 cation怎么读

cation

英 ['kætaɪən]美 ['kætaɪən]

n. [化学] 阳离子；[化学] 正离子

n. (Cation)人名；(英)凯申

星级词汇:★

中文词源

cation 阳离子

cata-, 向下。ion, 离子，来自拉丁词eo, 走，词源同exit(eo过去分词), commencement(eo现在分词)。

英语词源

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.

权威例句

1. Messaging allows real-time communi-cation by keyboard with up to five people at any one time.

电子信息发送能使多至5人同时通过键盘进行实时交流。

2. A spokesman said: "We have no comment regarding the publi-cation of these photographs."

一位发言人说，“对于这些照片的公之于众，我们不予置评。”

3. Cation exchange capacity generally increases with an increase in broken bonds.

通常阳离子交换量随破裂增加而增大.

4. An increase in cation exchange capacity of the tissue should be observed.

可以观察到植物组织中阳离子置换能力的提高.

5. The cation penetrates the spore.

这种阳离子能透入孢子.

[ cation 造句 ]