impurities

英 [ɪmˈpjʊərɪtiz]

美 [ɪmˈpjʊrətiz]

n.  杂质; 肮脏; 不纯; 淫秽
impurity的复数

柯林斯词典

• N-COUNT 杂质;不纯物质
  Impuritiesare substances that are present in small quantities in another substance and make it dirty or of an unacceptable quality.
  1. The air in the factory is filtered to remove impurities.
     工厂里的空气要经过过滤，以清除其中的杂质。
• 淫乱;不贞
  Impurityis the state of being no longer pure, especially sexually pure.

双语例句

• This was the LD process, which used oxygen gas for the oxidation of impurities in iron.
  这就是氧气顶吹转炉炼钢法（LD炼钢法）。这种方法使用氧气来氧化铁水中的杂质。
• Gas production should be continuously monitored for quality and impurities.
  生产过程中必须连续地监测气体的质量和杂质。
• This test is usually used for determining the content of inorganic impurities in an organic substance.
  该检验通常用用检测一个有机物质中的无机杂质的含量。
• This invention describes novel methods for the analysis of some of the impurities.
  本发明描述了分析其中一些杂质的新方法。
• Discoloring impurities lowers the brightness of kaolin and limits its use.
  致色杂质降低了高岭土的亮度并限制了它的应用范围。
• This food is contaminated with impurities.
  这食物已被不洁物质所污染。
• Oil is refined to remove naturally occurring impurities.
  油经过提炼去除天然存在的杂质。
• Impurities are removed from the blood by your kidneys and then excreted in your urine.
  肾脏将杂质从血液中除去然后从尿液中排出。
• It's the impurities in our air and water that are doing it.
  是我们水和空气中的不纯物质在破坏环境。
• Determination of Rare Earth Impurities in Terbium Oxide by Inductively Coupled Plasma-Mass Spectrometry;
  本文研究了用等离子质谱法测定高纯氧化镨中十三个稀土杂质。