The cold air in the working chamber can convent if the exhaust valve on top of the oven is open, the temperature is controlled constant automatically by digital display instrument.
开启箱顶排气阀可使工作室温之冷空气得以对流交换，温度控制采用数字显示仪表自动恒温调节。
2
The formation of "black layer" is also controlled by the nitrogen potential and system temperature in the deposition chamber.
同时，“黑色层”能否形成还与气氛氮势、体系温度有关。
3
The cryogenic optical experiment equipment was comprised of cryogenic vacuum chamber, vacuum set, ZYGO interferometer, proof vibration sub-system and controlled measuring temperature 'sub-system.