音标与读法

这里为大家介绍下impurity 是什么意思，希望能帮助到各位朋友。

音标：[ im"pjuəriti ]名词复数:impurities

中英文翻译

n.

〔常用 pl.〕

1.不纯，不洁。

2.下流，不道德，不贞节，杂质。

短语和例子

impurities in food 食物中的杂质。 political impurities 政治渣滓；牛鬼蛇神。

the condition of being impure

同义词：impureness,

worthless or dangerous material that should be removed; "there were impurities in the water"

同义词：dross,

Impurities are substances inside a confined amount of liquid, gas, or solid, which differ from the chemical composition of the material or compound.

例句与用法

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。

6.Semiconductors containing such impurities are called p-type semiconductors .

含有这类杂质的半导体叫做P型半导体。

7.The residual impurities can effect wet-process production in several ways .

这些残留的杂质可能在几个方面影响湿法生产。

8.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。

9.Calcitic limestone is mainly caco 3 with relatively small amounts of impurities .

方解石灰岩，主要是由CaCo3和少量的杂质所形成。

10.An aqueous caustic solution removes carrier gas impurities harmful to the detector cell .

苛性碱溶液去除运载气体中对检测元件有害的杂质。

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