The preparation of activated carbon with mesopore by catalyst was summarized.总结了催化法制备中孔炭的几种路径.This paper paid the emphasis on the preparation method of the mesopore ACF and absorption property.本文著重阐述中孔活性碳纤维的制造方法及其吸附特性....
Families upstairs have to carry pails to the hydrant downstairs for water.住在楼上的人家得提着水桶去楼下的水龙头打水.We brought some spades , pails and saplings with us.同学们拿着铁锨 、 水桶和小树苗上路了.It took several pails of water to put out the fire.用...