... 金属真空除气 metal vacuum degassing 金属真空蒸馏metal vacuum distillation 化学反应真空精炼 chemical recation vacuum refining ...
双语例句
1
Purifying selenium by vacuumdistillation. Metal selenium purification is on the base of different elemental volatility.
真空蒸馏提纯硒利用元素的挥发性不同进行金属硒的提纯。
2
The results showed that the heavy metal cadmium could be effectively separated by vacuumdistillation to produce high purity cadmium (>99%).
实验结果表明：利用真空蒸馏可以实现镍镉电池中镉与其它金属的有效分离，并得到纯度大于99%的金属镉；
3
The theory and technics of recovering metal zinc from the hot galvanizing scrap by vacuumdistillation are discussed. The calculation and industrial experiment show the feasibility of this method.