The degradation of two coatings systems based on polyurethane and acrylic were studied by exposed in UV-condensationchamber and salt-fog chamber alternately.
On the basis of practicing, the operational principle and features of dual condensationchamber used for drum water level measurement are presented in detail.
以实践为基础,对测量汽包水位中使用的双室平衡容器的工作原理与特性作了详细介绍。
3
All surfaces exposed to the vapor from the vaporizer to the vacuum chamber are heated to prevent condensation.