An electrical heating system of ZDG40 wacuum freeze drying machine was introduced,which has solved the problem of vacuum discharge in drying cabinet during freeze drying processing,and has a wide adjustment range of heating power and a large power capacity,and can accomplish optimizing control of power supply in freeze drying processing.
介绍了ZDG40真空冷冻干燥机电加热系统 ,该系统解决了冻干过程中干燥仓内真空放电问题 ,而且加热功率大 ,功率调节范围宽 ,可实现冻干过程的优化供能控制。
Plasma characteristics of a plused vacuum discharge deuterium ion source were investigated by emission spectroscopy.
用发射光谱法研究了真空放电氖离子源的等离子体性质。