1、Study on Diatomaceous Earth Filtration (DEF) for Removal of Iron in Water
硅藻土過(guò)濾除鐵研究

2、Diatomaceous earths are the skeletal remains of the tiny aquatic plants deposited centuries ago.
硅藻土是百年前水生植物沉淀下來(lái)的遺骸。

3、Diatomaceous earth is the fossilized remains of single-celled algae called diatoms.
硅藻土(下文簡(jiǎn)稱DE)是一種被稱為硅藻的石化單細(xì)胞海藻。