英语语法分析

Three purification processes in producing caprolactam with toluene are introduced.

对甲苯法制备己内酰胺精制工艺方法进行了改进。

So the optimum recipe of ink was settled, that is dye 10%, propanetriol 2.5%, caprolactam 4%, diglycol 15%.

确定了模拟喷墨印花最佳墨水配方：染料10%，丙三醇2.5%，己内酰胺4%，二甘醇15%。

The production, consumption status of caprolactam and its development prospect at home and abroad are analysed.

分析了国内外己内酰胺的生产消费现状及发展前景。