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实验表明当活性剂在清洗液的配比为1%，颗粒去除率可达95%以上。
Experiments has appoved that particle removal rate can attain 95%, when there is 1% surfactant in cleaning agent.
例如令烟道内的气体通过带有不同电荷的金属板从而去除一些灰尘颗粒，因为这些从熔炉散发出的浓密毒烟为业内所共知。
Small particles of ash, for example, are normally removed by forcing the flue gases, as the fumes from the furnace are known in the trade, between electrically charged plates.
“基本上鳄梨的所有部分都能被用来做美疗，”杰西卡·哈瑞斯在《世界美容宝典》里写道，“削下果皮，用果皮内侧在脸上涂抹，鳄梨果皮内侧微微颗粒状的质地有助于去除角质，而果皮本身含有大量的鳄梨油。
"Virtually all parts of the avocado can be used in beauty treatments, " says Jessica Harris in the "World Beauty Book." Take the peels and rub the interior on your face.
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