near-infrared photoacoustic spectroscopy 近红外光声光谱
fourier transform infrared photoacoustic spectroscopy 傅里叶变换红外光声光谱
Fourier transform infrared-photoacoustic spectroscopy 傅里叶转换红外光声光谱
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。
Photoacoustic detection of trace concentrations of gases is one of the most sensitive techniques of infrared Absorption spectroscopy.
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。
This paper discusses the theory of gas infrared laser photoacoustic spectroscopy(GILPS). The deducing of the gas photoacoustic is based on the physical model of molecular motion theory.
本文对气体红外激光光声光谱的理论进行探讨，并以分子运动论的物理模型对气体光声信号进行推导。
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