1·Early cylinders were completely filled with a porous filler material consisting of diatomaceous earth, charcoal, asbestos, and cement.
每个钢瓶都彻底填满了由硅藻土、木炭、石棉和水泥组成的多孔渗水材料。
2·Active bauxite, silicon dioxide, diatomaceous earth and ash have been found suitable for alkali removal from hot flue gas in a coal conversion system.
活性矾土、二氧化硅、硅藻土及煤灰对高温烟气中碱金属的脱除都有一定的效果。
3·The feasibility of the filtration by diatomaceous earth instead of charcoal powder in the TiO_2 production is described based on the principle of filtering and production practice.
从助滤原理和生产实验等方面阐述了硅藻土助滤剂代替木炭粉用于钛白生产的可行性。