略語大辞典 [Chem] 25 RPA retarding potential analyzer 追い返し電位差法分析器. 加速した電子を照射する電子衝撃分光法.retarding potential analyzer; for RPD(retarding potential difference) method, or Fox method; an analysis; [Chem]. 丸善「略語大辞典」JLogosID : 11858032