pretreat

pretreat water with a coagulant before filtering

过滤前用预先处理水

Solid acid alchlor catalyst was prepared from anhydrous aluminium trichloride through liquid solid solvent method,with pretreated bentonite as support.

以无水三氯化铝为原料,并以处理过的膨润土为载体,采用液固溶法制备固体酸催化。

Results Compared with the saline group and the saralasin-pretreated group,the lung tissue wet/dry ratio and lung injury score were significantly increased in meconium group(P <0.05);

果:胎粪组组织病理损伤严重,病理评分及湿/干重比较对照组和治疗组明显增加(P<0.05),对照组和治疗组差异无显著意义;

The flowers were pretreated by (A) emasculating then bagging, (B) removal of stigma and (C) crosspollination, respectively as compared with control: open-pollination after emasculation.

果表明：袋、截柱头以破坏授粉和杂交授粉等处理与不袋作对照之间实率的差异不显著。