过量的氯化钾和氨转移到副产品氮磷钾复合肥中，得到的产品纯度高，收率高。
Excess potassium chloride and ammonia are transferred into a by-product N-P-K compound fertilizer to obtain a product with high purity and high yield.
介绍了以氯化苄和过量水杨酸在碳酸氢钠介质中利用相转移催化合成水杨酸苄酯的改进工艺， 收率达81 ％ ， 香气良好。
Benzyl salicylate was synthesized by reaction of benzyl chloride and salicylate acide in a reaction medium of NaHCO 3. The yield was 81 percent.
应用推荐