31304411spectroscopyPT2026-03-30 20:21:52UF31304412analysis, spectrumNDUF31304413spectrum analysisNDBT31298665analysis and testing techniquesPTNT31317272x-ray spectroscopyPTNT31317282infrared spectroscopyPTNT31317287atomic absorption spectroscopyPTNT31317294Raman spectroscopyPTNT31317296ultraviolet-visible spectroscopyPTNT31317298Mössbauer spectroscopyPTNT31317306particle-induced x-ray emissionPTNT31317311emission spectroscopyPTNT31317314luminescence spectroscopyPTNT31317316laser spectroscopyPTNT31317317laser-induced fluorescencePTNT31317320vibrational spectroscopyPTNT31317322terahertz time-domain spectroscopyPTNT31317326electrochemical impedance spectroscopyPTNT31317329micro x-ray fluorescencePTNT31317336infrared reflection absorption spectroscopyPTNT31317341energy dispersive x-ray spectrometryPTNT31317345reflectance spectroscopyPTNT31317348macro x-ray fluorescencePTNT31317353confocal micro x-ray fluorescencePTRT31304415spectrometryPT