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

• 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。
• 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。
• Low iron and impurities to enhance reducing atmosphere;
  低铁和杂质，以提高还原气氛；
• 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。
• Refined sugar has had all the impurities removed.
  精制糖已经清除所有的杂质了。
• Filtering the water removed some of its impurities.
  把水过滤一下除去了一些杂质。
• The process of removing impurities from oil or metals or sugar.
  去除油类、金属、糖中杂质的过程。
• Clean workplace from metal chips, corrosive substances or similar impurities.
  将工作场所内的金属屑、腐蚀性物质或类似杂质清理掉。
• 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。
• Active carbon adsorbs poisonous gases and impurities in liquids.
  活性炭吸附毒气和液体中的杂质。