V2EX slaked lime

Slaked Lime

释义 Definition

熟石灰;消石灰:由生石灰(氧化钙,CaO)加水“消解”生成的白色粉末或浆状物,主要成分是氢氧化钙(Ca(OH))。常用于建筑砂浆/灰泥、白灰涂料(whitewash)、水处理与酸性土壤改良等。(该词也可泛指“熟化后的石灰材料”。)

例句 Examples

Slaked lime is added to make mortar stronger.
熟石灰被加入以使砂浆更牢固。

After the rain, workers spread slaked lime to neutralize the acidic soil and reduce odors from the ditch.
雨后,工人撒上熟石灰来中和酸性土壤,并减轻沟渠里的异味。

发音 Pronunciation (IPA)

/slekt lam/

词源 Etymology

slaked 来自动词 slake,原义有“解渴、满足;使冷却/使熄灭”的意思,在材料语境里引申为“用水使(石灰)消解、熟化”。lime 源自古英语 līm,意为“石灰/粘结材料”。合起来 slaked lime 就是“被水消解(熟化)的石灰”。

相关词 Related Words

文学与著作 Literary Works

  • Encyclopaedia Britannica(相关条目常用 slaked lime / calcium hydroxide 说明用途与性质)
  • The Chemistry of Cement and Concrete(建筑材料经典教材,讨论石灰消解与砂浆/混凝土反应)
  • Properties of Concrete(A. M. Neville,材料学名著中涉及石灰与碱性体系)
  • A Treatise on Lime and Cement(关于石灰与水泥的早期专著,频繁出现 slaked lime
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