back-extraction

基本解釋

Under optimal conditions, single extraction and back-extraction efficiencies were 87% and 90%, respectively.
在此條件下，鋰的單次萃取率和反萃率分別是87%和90%。
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The major factors of affecting extraction and back-extraction were discussed. The better technological conditions were obtained.
分析了影響萃取及反萃取取的因素，獲得了較佳工藝條件。
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.
通過(guò)對(duì)B25-90/10-1型熱電郃供背壓式機(jī)組的熱力系統(tǒng)的（火用）分析、計(jì)算，確定了該機(jī)組的最佳經(jīng)濟(jì)運(yùn)行方式。