萃取－反萃
extraction and back-extraction
萃取—反萃过程
extraction-stripping process
萃取反萃取
Extraction and back extraction
extraction-anti-extraction
萃取－反萃取
extraction-back-extraction
萃取反应法
extractive reaction method
萃取反应平衡常数
Equilibrium constants of the extracting reactions
反萃取率
the rate of anti-extracting
碱溶液反萃取
Alkaline solution reversed-phase extraction
硫酸反萃取
sulfuric acid counter extraction
液相微萃取-反萃取
Liquid-phase microextraction with back extraction