V2EX trivalent

Trivalent

定义 Definition

trivalent(形容词):(在化学中)三价的;指原子、离子或元素的价为 3,能形成三条化学键或带 +3/-3 的化合价(最常见指 +3 的阳离子,如 Fe、Al)。该词在免疫学中也常见,如 trivalent vaccine(三价疫苗),表示“含三种成分/针对三种毒株”的。

发音 Pronunciation

/travelnt/

例句 Examples

Trivalent iron (Fe) is common in rust.
三价铁(Fe)在铁锈中很常见。

In water treatment, trivalent aluminum salts can help remove impurities by forming flocs.
在水处理过程中,三价铝盐可以通过形成絮凝物来帮助去除杂质。

词源 Etymology

来自 **tri-**(拉丁语前缀,意为“三”)+ valent(与“价/结合力”有关,源自拉丁语 valēre“强、有力”)。字面意思就是“具有三种结合能力/三价的”。

相关词 Related Words

文学与著名作品 Notable Works

  • Inorganic Chemistry(Cotton & Wilkinson):在讨论金属离子与配位化合物时频繁使用“trivalent”描述三价金属中心。
  • Atkins’ Physical Chemistry(Peter Atkins 等):在电解质、离子强度与溶液性质相关章节会出现“trivalent ions(三价离子)”。
  • Lehninger Principles of Biochemistry(Nelson & Cox):在涉及金属离子辅因子与生物无机化学内容时会提到“trivalent cations(三价阳离子)”。
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