换床单 change the sheets ; change the linen
钠沸石离子交换床 sodium-zeolite ion exchange bed
不需要换床单 Don't require changing bed sheet ; Do not need replacement linens
离子交换床 ion-exchange bed
换床间 Bed-changing area
需要换床单 need replacement linens ; Need to change the sheets
卧床患者更换床单法 change an occupied bed
更换床单被套 MAKING AN OCCUPIED BED
需要更换床上用品吗 need to replace bedding
对脉动流化床内换热面与床层的传热特性进行了试验研究，试验中观察到的脉动床最大传热速率比普通流化床的传热速率提高15%左右，对于较大直径的颗粒，脉动流化床的传热效果更突出；
The results show that the heat transfer rate in a pulsed fluidized bed is 15%greater than that in a normal fluidized bed. The bigger the particles, the higher the heat transfer efficiency.
CO变换反应催化剂床层排热多采用变换炉段间换热方式。
The CO shift reaction uses heat transfer technique by the sections of shift converter to remove heat.
对底部加热的被液体浸透的多孔物料床中的沸腾换热进行了实验和理论分析。
Experimental and theoretical investigations on boiling heat transfer in liquid saturated porous bed heated from below are conducted.
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