略語大辞典 [Opt] 39 PTA photo-thermal analysis 光-熱分析. 非破壊, 非接触検査法. photo-thermal analysis; of optically generated thermal waves; used for nondestructive, contactless inspection and evaluation of intrinsic properties of a sample; a modulated laser light sourceis used for local, modulated heating a 丸善「略語大辞典」JLogosID : 11856782