Technology optimization of cinnamic acid synthesized by knoevenagal reaction using organicalkali catalyst;
比较以硫酸盐和阳离子交换树脂分别为催化剂合成肉桂酸酯。
2
The design of this subject: silicon coupling was used as raw material, the reaction type is hydrolytic condensation, acid, alkali and organic tin was used as catalyst.
本课题设计以硅烷偶联剂为原料，反应类型为水解缩合，选用酸、碱，有机锡为催化剂。
3
The influence of application of organic and nitrogen fertilizer on the content of alkali hydrolysable N in fertilities soil was studied.