略語大辞典 [Chem] 25 PSA pressure swing adsorption 圧力スウィング吸着(法). 窒素ガスの濃縮法.pressure swing adsorption; a chemical process; e.g. condensates N2 gas from airand generates highly pure N2 gas; [Chem]. 丸善「略語大辞典」JLogosID : 11856623