英语语法分析

Therefore, the market is still offering good prospects of tert - butylamine products.

因此，叔丁胺仍是市场前景较好的产品。

OBJECTIVE To study the effects of butylamine roxatidine acetas(BRA) on experimental gastric ulcer in mice.

目的研究正丁胺基罗沙替丁乙酸酯（BRA）对动物实验性胃溃疡的影响。

The acidic concentration of the catalyst was titrated by butylamine with the method of adsorption of coloured indicator.

用吸附指示剂正丁胺滴定法测定了催化剂的酸量。