The iron promoted electrolysis enhanced markedly the removal efficiency of contaminant, compared with the traditional electrolysis oxidation degradation of organism.
结果表明，与传统电解氧化降解有机物相比，铁促电解显著提高了有机污染物的去除效率；
The removal efficiency of phosphorus in drinking water by modified filter media, especially iron oxide-coated sand has been studied.
试验研究了三类改性滤料及涂铁改性石英砂对饮用水过滤去除微量磷的效果。
The removal of the iron teeth in the armature leaves more room for armature copper, which lowers the losses and improves machine efficiency.
在电枢中去除铁刷将会给铜电枢留下更多的空间，从而降低损耗，提高机械效率。
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