vacuum distillation

常见例句

The process flow sheet of vacuum distillation of Bi-Ag-Zn crust was drawn up, and its rationality was argued.
拟定了真空蒸馏铋银锌壳制取粗银、粗铋和粗锌的工艺流程，并论证了该流程的合理性。
The products were gained by vacuum distillation from reaction liquid, meanwhile their qualitative and quantitative analysis were carried out by GC-MS.
反应结束后反应液经过真空蒸馏后得到产物，并通过GC-MS进行定性和定量分析。
Secondly, the feasibility of separation of impurities in rich bismuth and reagent (sulphur or chlorine) deleading with vacuum distillation was studied in theory.
其次，从理论上分析了用真空蒸馏分离各杂质和通过加剂（加硫或加氯）除铅的可行性。