acid activation造句怎么写

In order to prepare cellulose acetate-propionate,the acid activation of cellulose was investigated in this paper.

The kinetics of preparation active carbon from Yunnan Xianfeng lignite with phosphoric acid activation was studied.

After oil is recovered from it, the bleaching clay is regenerated by acid activation, ignition, baking and acid washing methods.

Generally, the mechanical strength of the system could be improved in every age by acid activation.