光声光谱法是基于红外吸收光谱原理的一种高灵敏度的微量气体探测技术。
Photoacoustic detection of trace concentrations of gases is one of the most sensitive techniques of infrared Absorption spectroscopy.
本文叙述了傅里叶变换红外光声光谱法（FTIR-PAS）的基本原理及其在纺织上应用。
The basic principle and application in textile industry of fourier transform infrared photoacoustic spectroscopy (FTIR-PAS) have been described.
本文叙述了傅里叶变换红外光声光谱法（FTIR-PAS）的基本原理及其在纺织上应用。
The basic principle and application in textile industry of fourier transform infrared photoacoustic spectroscopy (FTIR-PAS) have been described.
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