英语语法分析

The tests on 2% octadecyl trimethyl ammonium chloride showed good result against the cabbage aphids.

绿清灵即2%十八烷基三甲基氯化铵可溶性粉剂，对蔬菜蚜虫具有较好的防治效果。

OBJECTIVE To prepare urease N-trimethyl chitosan chloride submicrospheres and study its characteristics.

目的制备尿素酶三甲基壳聚糖亚微球，并对其相关性质进行初步研究。

OBJECTIVE:To explore the acute toxicity on mice and lipid-lowering effect on rats of N-trimethyl chitosan iodide (TMCI).

目的：研究碘化壳聚糖季铵盐（TMCI）对小鼠的急性毒性作用和对大鼠的降脂作用。