英语语法分析

The catalytic properties of solid super acid for the synthesis of dioctyl melate;

研究了用新型催化剂铌酸催化合成马来酸二辛酯的工艺。

In addition, 25 PHR of cold resistant plasticizer (dibutyl phthalate 10 PHR; dioctyl sebacate 15 PHR) were added into NBR compound to improve th.

另外，在NBR胶料中添加25份耐寒增塑剂(邻苯二甲酸二丁酯10；癸二酸二辛酯15)。

Hartshorn(NH_(4)OH) was used as a new catalyst instead of acetic acid in the saponification reaction of base zinc salt of dioctyl thiophosphate (T203).

选用氨水溶液代替醋酸作为新型催化剂用于硫磷双辛基碱性锌盐（T203）的皂化反应。