The results show that the cold aerosol can be made by the airstream crushing method and when the concentration is 0.5%,the dispersing effect is the best and the powder is not easy to reunite,which satisfies the need.

• 结果表明:利用气流粉碎方法能制得粒度满足要求的超细冷气溶胶；在表面改性剂浓度为0.；5%25的情况下；其粉体分散效果较好；不易团聚