萃取反萃取
Extraction and back extraction
extraction-anti-extraction
萃取－反萃取
extraction-back-extraction
液相微萃取-反萃取
Liquid-phase microextraction with back extraction
流动注射在线萃取
flow injection on-line extraction
Flow Injection onLine Extraction
FIA in-line extraction
在线萃取
online extraction
On-line Extraction
on line solvent extraction
on line extraction
萃取－反萃
extraction and back-extraction
萃取—反萃过程
extraction-stripping process
输电线在线监测
transmission line monitoring