杂质的英文：
impurity

参考例句：
  • impurity modes and surface modes
    杂质模和表面模
  • Various chemicals are then injected to combine with unwanted impurity which not burn out by the oxygen.
    然后喷入化学物品，使之与不需要的杂质相结合，因为这些杂质没有被氧气烧毁。
  • Silica, in fact, is a desirable impurity because it is one of the reactants
    硅石实际上是一种有用的杂质，因为它是一种反应剂。
  • The gas contains blow-by, sludge, acids, oil, and other contaminant
    这些气体包括窜缸气体，沉积物，酸，机油和其它杂质的气体。
  • abrasive impurities
    有磨蚀作用的杂质
  • to adulterate wine
    在酒中掺杂质
  • Purge metal of dross
    除去金属的杂质
  • The buildup of impurities often results in defective plating
    杂质的积累经常导致不良的电镀。
  • The role of dopants and contaminants in degradation cannot be ignored.
    杂质和污染对退化的作用不能忽视。
  • 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。
impurity是什么意思：
n. 不洁，淫秽；杂质
  • abrasive impurities
    有磨蚀作用的杂质
  • Impurity of the water made it unfit to drink.
    因为水质不纯净，所以不能饮用。
  • It is free from air, moisture or impurities.
    它不含空气，水份和杂物。
  • Ion Chromatographic Method for Determination of Impurities in Tripolyphosphate
    离子色谱法测定食品添加剂三聚磷酸盐中的杂质含量
  • The buildup of impurities often results in defective plating
    杂质的积累经常导致不良的电镀。

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