Wu, Qiang [Dynamic double modulation with step scan FTIR spectroscopy on polyurethane film]. [electronic resource] - Guang pu xue yu guang pu fen xi = Guang pu Feb 2002 - 25-8 p. digital Publication Type: English Abstract; Journal Article ISSN: 1000-0593 Subjects--Topical Terms: Molecular ConformationPhase TransitionPolyurethanes--chemistrySignal Processing, Computer-AssistedSpectroscopy, Fourier Transform Infrared--methods