THE DEVELOPMENT OF THE HEAT AND MASS TRANSFER DURING VACUUM FREEZE DRYING
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Graphical Abstract
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Abstract
Actually,the freeze-drying process is a complex heat and mass transfer process.There are many papers about heat and mass transfer in vacuum freeze dying both home and abroad.This paper sum up the present status of research on heat and mass transfer during vacuum freeze drying,and analyse the present status,and discuss the trend of research in this field.
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