Diatomaceous earth (which we shall hereby call DE because it's a lot easier to type) is the fossilized remains of single-celled algae called diatoms.

硅藻土(下文简称DE)是一种被称为硅藻的石化单细胞海藻。

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The feasibility of using raw diatomaceous earth(DE)instead of refined DE as microbial carrier to treat municipal wastewater was investigated.

采用硅藻原土代替硅藻精土作为微生物载体处理城镇污水具有较好的处理效果。

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