It is proved that using ultrared lamp at the beginning of sublimation can accelerate the drying rate effectively,and the more dilute the solution of the material,the more suitable for the...

• 本文对粉末冻干过程中容易出现的崩解现象及冻干机理进行了深入的研究与探讨,提出了描述磁粉冻干过程中各种参数变化规律的数学模型。