英语语法分析

The result indicates that the purity and yield of propazine can reach above 98% and 90% respectively.

采用最佳条件进行反应使扑灭津产品纯度达到了98%以上，收率达到了90%以上。

The antiserum was specific for atrazine, the cross-reactivity of the antiserum to propazine and simazine was 93 % and 8 %, respectively.

抗体的特异性强，与扑灭津的交叉反应性为93%，与西玛津的交叉反应性为8%。