Effects of vacuum and pouring temperature on thermal transfer between metal-mold interfaces for magnesium alloy LFC process are investigated by thermocouple and computer data collection system. 采用热电偶和计算机数据采集系统研究了真空度和浇注温度对一镁合金消失模铸造金属-铸型间的传热的影响。
High-frequency vacuum thermocouple type potential standard 高频真空热偶式电压标准
The vacuum gauge, the thermocouple and other element related to the vacuum chamber are also included. 此外,还包括真空规管,热电偶及其它与真空室相关的观测、控制元件的选用。
The affiliation of the electronic balance for mass measurement, vacuum gauge for pressure measurement, and the thermocouple for temperature measurement increase the accuracy of measurement of experimental, and realize the rapid survey of quality, pressure and temperature. 加入了测量质量的电子天平、测量压强的真空规管以及测量温度的热电偶,并提高了实验装置的测量精度,实现了质量、压强和温度的快速、自动测量。