在此基础上，研制了液氮制冷屏装置来抑制氘灯衰减。
Based on this, a liquid nitrogen cooled screen device is developed to control the radiation degradation of deuterium lamp.
本文介绍一种用弛豫方法测量液氮温度以上小样品比热的装置、微型量热器和测量系统。
The paper describes an apparatus, bolometer and system for measuring the specific heat of small samples above liquid nitrogen temperature using relaxation calorimetry.
YDLY型液氮冷冻医疗机系通用型的大型可移动式冷冻医疗装置。
The YDLY Cryosurgery Unit is a large movable liquid nitrogen cryosurgery system for more applications.
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