impurity是什么意思？impurity怎么读？impurity例句及用法

1 . The oxygen reacts vigorously with the impurity in the iron.

氧气与铁中的杂质发生剧烈的化学反应.

来自辞典例句

2 . This impurity must be purged away after death.

这种污秽应该在死后加以净化.

来自辞典例句

3 . The impurity of supposedly pure subcellular fractions is a constant threat to the plant biochemist.

以为亚细胞组分很纯而实际不纯的情况,一直是植物化学家感到难办的问题.

来自辞典例句

4 . 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.

来自辞典例句

5 . Reasons of forming first cracks were foundry lacuna, impurity gathering, lard exiting.

铸造缺陷 、 杂质元素偏聚和夹杂物的存在是形成早期裂纹源的原因.

来自互联网

impurity相关短语搭配

1 . 杂质半导体

impurity scattering 杂质散射impurity semiconductor 杂质半导体in clockwise direction 向顺时针的方向

1 . 杂质能带

impurity atom 杂质原子impurity band 杂质能带impurity center 杂质中心

1 . 杂质能级

impurity ionization temperature 杂质电离温度impurity level 杂质能级impurity mask 杂质掩膜

1 . 杂质原子

替位式杂质原子(impurity atom)是杂质原子代替基本原子的位置。 能吸收光的点缺陷称为色心。 Solid State Physics Physics Department, Northwest University 线缺陷.