V2EX refractometer

Refractometer

定义 Definition

refractometer(名词):折射仪;一种通过测量光在物质中发生折射的程度来推算样品折射率的仪器,常用于测定溶液的浓度(如糖度 Brix、盐度)、鉴别材料或进行质量控制。也常见于酿酒、食品、化工与实验室检测等场景。

发音 Pronunciation

/rifrktmtr/(美式常见)

例句 Examples

I checked the sugar level with a refractometer.
我用折射仪测了糖度。

In the lab, the technician calibrated the refractometer before measuring the refractive index of each sample to ensure accurate concentration readings.
在实验室里,技术员在测量每个样品的折射率之前先校准折射仪,以确保浓度读数准确。

词源 Etymology

refract(使折射,源自拉丁语 refringere “折断、折回”,引申为“折射”)+ -meter(计量器,源自希腊语 metron “测量”)构成,字面意思就是“测量折射的仪器”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • John J. Palmer,《How to Brew》(家庭与工艺酿造经典书):常提到用折射仪/比重计估算麦汁糖度与发酵进程。
  • Charlie Papazian,《The Joy of Homebrewing》(家酿入门名著):涉及用折射仪等工具进行酿造测量与控制。
  • Standard Methods for the Examination of Water and Wastewater》(水与废水检测权威手册):在相关分析与实验方法语境中会出现折射率/折射仪等术语。
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