back-extraction

基本解释

Under optimal conditions, single extraction and back-extraction efficiencies were 87% and 90%, respectively.
在此条件下，锂的单次萃取率和反萃率分别是87%和90%。
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The major factors of affecting extraction and back-extraction were discussed. The better technological conditions were obtained.
分析了影响萃取及反萃取取的因素，获得了较佳工艺条件。
By analysis and calculation of the exergy of thermodynamic system of B25-90/10-1 back pressure extraction turbine unit for cogeneration Plant, the Optimal Operating mode of the unit is determined.
通过对B25-90/10-1型热电合供背压式机组的热力系统的（火用）分析、计算，确定了该机组的最佳经济运行方式。