The freshwater and seawater pearl samples with different colours are investigated by using Fourier transform infrared (FTIR) spectrometer and graphite furnace atomic absorption spectrometer (GFAAS).
采用傅里叶变换红外吸收光谱仪和石墨炉原子吸收光谱仪对不同颜色的淡水、海水珍珠样品进行了对比研究。
An automatic measuring system for the relative spectral response of IR detectors by using Fourier Transform Infrared (FTIR) Spectrometer bas been developed.
用付立叶变换红外光谱仪建立了一套全自动红外探测器相对光谱响应测量系统。
The structure of objective product was confirmed by characterization with Fourier transform infrared spectrum (FTIR), nuclear magnetic resonance (1H NMR) and mass spectrometer (MS).
并通过傅里叶变换红外光谱（FTIR）、核磁共振谱图（1HNMR）以及质谱（MS）对产物进行了表征，确定了目标产物的结构。
METHODS The PF content was detected by HPLC and FTIR spectra was analyzed with Fourier transform infrared spectrometer.
方法用HPLC测定芍药苷含量，傅里叶变换红外光谱仪分析FTIR光谱。
The mechanism of in-situ cyclization during the foaming and heat treatment was studied using differential scanning calorimeter (DSC) and Fourier transform infrared spectrometer (FTIR).
探讨了相应共聚物在发泡和热处理过程中发生的“原位成环”反应及机理，并利用差示扫描量热分析（DSC）和红外光谱（FTIR）进行了验证。
The phase shift in complex spectrum of Fourier transform infrared (FTIR) spectrometer was discussed. A rigorous derivation showed the relation between the phase shift and complex spectrum.
主要讨论了傅里叶变换红外光谱仪的相位偏移产生的原因，并且用严密的数学推导证明了相位偏移与复数光谱之间的关系。
The phase shift in complex spectrum of Fourier transform infrared (FTIR) spectrometer was discussed. A rigorous derivation showed the relation between the phase shift and complex spectrum.
主要讨论了傅里叶变换红外光谱仪的相位偏移产生的原因，并且用严密的数学推导证明了相位偏移与复数光谱之间的关系。
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