impurities中文什么意思

悬浮固体物

一级叶轮

杂质

• impurity:    n. 〔常用 pl.〕 1.不纯，不 ...
• abrasive impurities:    有磨蚀作用的杂质
• absorption by impurities:    杂质吸收

例句与用法

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1. It is free from air, moisture or impurities .
   它不含空气，水份和杂物。
2. Impurities tend to segregate at grain boundaries .
   杂质常常在晶粒间界偏析。
3. This impurity must be purged away after death .
   这种污秽应该在死后加以净化。
4. The buildup of impurities often results in defective plating .
   杂质的积累经常导致不良的电镀。
5. The impurities present have an important effect on the rate of setting .
   存在的杂质对凝固速率有很大的影响。