1·Cost of raw material of capsule suspension was just half of the cost of corresponding emulsifiable concentrates.
微胶囊悬浮剂的原料成本仅为相应乳油原料成本的一半。
2·It is therefore suggested that traditional aromatic solvents be substituted with essential oils, and the environment-friendly emulsifiable concentrates were then prepared.
因此本文提出用植物精油替代传统芳烃类溶剂，制备环保型乳油。