如同所有的电视一样，液晶显示器的塑料外壳经过溴化阻燃剂处理，内部线路用了各种有毒重金属，如镉，铬，锑，铍。
As with all TVs, LCDs have plastic shells treated with brominated flame retardants and wiring that has various toxic heavy metals such as cadmium, chromium, antimony and beryllium.
以铬化砷酸铜(CCA)为代表的水载型防腐剂，逐渐被其他主要有效成分为铜的水载型防腐剂取代，这类防腐剂中的。
Arsenic and chromium based water-borne preservatives, especially CCA (chromated copper arsenate), have been partly replaced by some copper based preservatives.
结果表明：转炉内用铬矿熔融还原直接合金化是可行的，且必须外加还原剂；
The results show that smelting reduction and direct alloying by chromium ore in the converter are feasible, and externally applied reducing agent is indispensable;
应用推荐