为了对苦瓜汁进行真空冷冻干燥，首先通过简单的电阻装置测定了苦瓜汁的共晶点与共融点。
The eutectic temperature and eutectic point of Momordica charantia juice were measured by using a simple apparatus.
该装置主要包括热管真空太阳能空气集热系统，石蜡相变储热系统，干燥系统，自动控制系统四个部分。
The device mainly included heat-pipe vacuum solar air collector system, paraffin latent heat storage system, drying system, automatic control system.
研制出一种带有热能回收装置的木材真空干燥系统，并探讨了对流加热连续真空干燥新工艺。
A new wood vacuum dryer with a heat recovery system was designed and manufactured, Drying schcdules of convection heating in continuous vacuum condition was studied.
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