First, the project analyses the quality of natural water and the influence of impurity on chemical water treatment, and then chooses the chemical water treatment technics of power plant.
本课题首先分析了自然水水质及所含杂质对化学水处理的影响，然后进行了电厂化学水处理工艺分析。
It introduces the methods of recovering waste acid and water with waste acid and oily impurity using the natural cooling crystallization, the dialyzing diffusing and roasting.
介绍用自然冷却结晶法、 渗析扩散法和焙烧法回收废酸及合废酸、含石油类杂质废水的处理方法。
The impurity defects, which caused impurity bands in the bandgap, of natural sphalerite could extend its absorbing range to the visible light wavelength range.
天然闪锌矿晶格中丰富的杂质缺陷在禁带中形成杂质能级，可将闪锌矿对光的响应拓展到可见光的波长范围。
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