Multiple bleaching

用法例句

Some interesting research areas of pulp and paper science and technology proposed by the scientists in USA,including fiber en-gineering,fibrous fillers,single stage bleaching,one-way press and compact integrated recovery system,are introduced in the paper.

简要介绍近来国际造纸专家提出的若干重要前沿研究领域,包括工程纤维的研究与开发、纤维状填料的开发,单段漂白,单向压榨和新型碱回收系统。

The paper performs a laboratory research on the second stage bleaching technology.

经过氧化氢(P)漂白后的杉木CTMP浆再用连二亚硫酸钠(Y)进行第二段漂白,可有效地提高纸浆白度。