An experimental study on the performance of freeze-dryer's cold trap has been carried out under different temperature of the cold trapcoil and different frost thickness in the paper.
对影响冻干机冷阱传热性能的两个因素(冷阱盘管壁面温度和结霜厚度)进行了实验研究。
2
The measurement and examination of wave trapcoil and coupling filter used for power line carrier communication system are an important part to ensure the electric power system operating normally.