1.Then ozonic-hydrogen peroxide bleaching were carried out and the results show that the higher of Kappa number, the poor of the delignification selectivity and the lower of brightness rising.
然后经过臭氧-过氧化氢漂白,结果表明:卡伯值越高,脱木质素选择性越差,白度上升值越低。
2.Then ozonic-hydrogen peroxide bleaching were carried out and the results show that the higher of Kappa number, the poor of the delignification selectivity and the lower of brightness rising.
然后经过臭氧-过氧化氢漂白,结果表明:卡伯值越高,脱木质素选择性越差,白度上升值越低。
3.R502 is considered to be one refrigerant with good performance, but it will be forbidden to be used because its pollution to the ozonic atmosphere.