V2EX activated charcoal

Activated Charcoal

释义 Definition

活性炭:一种经过“活化”处理、具有大量微孔结构的碳材料,吸附能力很强,常用于过滤净水、除味、空气净化,以及在医疗中用于吸附某些毒物/药物(并非对所有中毒都有效)。

发音 Pronunciation (IPA)

/ktvetd trkol/

例句 Examples

Activated charcoal can help remove odors from the fridge.
活性炭可以帮助去除冰箱里的异味。

In the emergency room, activated charcoal is sometimes given to reduce absorption of certain drugs, but it must be used under medical guidance.
在急诊室里,活性炭有时会用于减少某些药物的吸收,但必须在医疗指导下使用。

词源 Etymology

activated 来自 activate(使……活化、使起作用),表示“经过处理而更有效”;charcoal 指“木炭/炭”。“活性炭”之所以叫“活性”,是因为通过蒸汽或化学方法处理后形成大量孔隙,从而显著增强吸附(adsorption)能力。

相关词 Related Words

文学作品中的用例 Literary Works

  • Where the Crawdads Sing(《沼泽深处的女孩》)中出现过与木炭/炭相关的日常用法(如做炭、炭火等语境),与“charcoal”同源同义词汇相关。
  • 在一些现代英语非虚构写作与科普类作品中(如关于急救、野外生存、净水过滤的书籍),“activated charcoal”常作为过滤与应急处理的材料被提及。
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