V2EX hexavalent

Hexavalent

释义 Definition

六价的;六价态的(化学):指某元素在化合物中呈六价(化合价为 +6)或具有六个化合价/价键能力的状态。日常与环境健康语境中常见于 hexavalent chromium(六价铬,Cr(VI))

发音 Pronunciation (IPA)

/hksvelnt/

例句 Examples

Hexavalent chromium is toxic.
六价铬是有毒的。

The factory was fined after inspectors found hexavalent chromium levels above the legal limit in the wastewater.
检查人员在废水中发现六价铬含量超过法定上限后,这家工厂被罚款。

词源 Etymology

hex- 来自希腊语,表示“六”;**-valent** 源自拉丁语 valere(“有力量/有效”),在化学中引申为“具有……价/化合能力”。合起来 hexavalent 就是“六价的”。

相关词 Related Words

文学与著名作品 Notable Works

  • IARC Monographs on the Identification of Carcinogenic Hazards to Humans(国际癌症研究机构专著;多处讨论六价铬等致癌风险)
  • Toxicological Profile for Chromium(ATSDR,美国有毒物质与疾病登记署;系统介绍包括六价铬在内的暴露与毒性)
  • NIOSH Pocket Guide to Chemical Hazards(美国国家职业安全卫生研究所;收录含六价铬化合物的危害信息与限值)
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