V2EX lactometer

Lactometer

定义 Definition

乳计(乳比重计):一种专门用来测量牛奶密度/比重的仪器,常用于快速判断牛奶是否被掺水或脂肪含量异常等(牛奶质量初步检测工具)。也可泛指用于检测乳品密度的类似装置。

发音 Pronunciation

/lktmt(r)/, /lktmtr/

例句 Examples

The inspector used a lactometer to test the milk.
检查员用乳计检测牛奶。

Because temperature affects density, the technician corrected the lactometer reading before reporting possible adulteration.
由于温度会影响密度,技术员在报告可能的掺假前先对乳计读数进行了校正。

词源 Etymology

lacto- 来自拉丁语 lac, lactis(“牛奶”),**-meter** 来自希腊语 metron(“测量”)。合起来字面意思就是“测奶的测量仪”,后来特指用于测牛奶比重/密度的仪器。

相关词 Related Words

文学与典籍 Literary Works

  • Food Inspection and Analysis(食品检验与分析类经典教材中常见该词,用于讲解乳品检测与掺假判定)
  • Standard Methods for the Examination of Dairy Products(乳品检测标准方法汇编,涉及乳计/密度测定)
  • Milk and Its Products(乳与乳制品类传统著作中常提到乳计用于现场质量判断)
  • The Lancet(历史上关于食品掺假与公共卫生的文章中可见对乳计/牛奶比重检测的讨论)
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