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

• 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。
• 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。
• Oil is refined to remove naturally occurring impurities.
  油经过提炼去除天然存在的杂质。
• Once its impurities had settled, the oil could be graded
  一旦杂质沉淀下去，油就可以分级了。
• There are traces of impurities in the gold.
  金子中有杂质的痕迹。
• 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。
• Investigation revealed that the Rhizoma Atractylodis prescribed had been contaminated with harmful impurities ( scopolamine and atropine).
  调查研究表明苍术的不良反应是因为含有有害杂质（东莨菪碱和阿托品）。
• Objective To develop an HPLC method for determination of impurities in ephedrine hydrochloride and pseudoephedrine hydrochloride.
  目的建立盐酸麻黄碱和盐酸伪麻黄碱中杂质的高效液相色谱HPLC测定方法。
• 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。
• The detrimental effect of iron impurities on zinc electroplating in potassium salts solutions was described in detail.
  详细介绍了钾盐镀锌溶液中铁杂质对镀锌的有害影响。