采用可视化观察与数据同步记录分析相结合的方法，研究了不同压力条件下自然循环系统上升段中的闪蒸现象及其对自然循环稳定性的作用。
Under different pressures the flashing in riser of natural circulation system and its effect on flow stability were studied by the method of visual observation in synchronism with data recording.
该方法 采用压缩空气为干燥介质，通过控制干燥段空气流量、进风温度使物料在闪蒸主机内进行 干燥。
The method adopts compressed air as the drying medium, and dries the particles in a flash evaporator by controlling the air flux of drying region and the temperature of feeding air.
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