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最近在我们实验室里建立了一套加磁场高温光学实时观察装置．作为磁场发生器的电磁铁，在发热体中心最高可产生0.14T的侧向磁场．运用这套加磁场实时观察装置，能有效地阻抑KNbO_3熔体内的重力对流，减少界面边界层厚度．
In our laboratory recently established a set of magnetic field temperature optical real-time observation device. As a magnetic field generator electromagnet, the center of the heating element can generate a maximum lateral magnetic field of 0.14T. Using this set of magnetic field real-time observation device, it can effectively restrain the gravity convection in the KNbO_3 melt and reduce the boundary layer thickness.