The structure of the PS/PBA composite particles was confirmed by the presence of the characteristic absorption band attributed to PS and PBA from FTIR spectra.
PS/PBA复合微粒的结构通过红外光谱图明显的吸收峰特征而得到证实。
Under the room temperature and Nitrogen environment (eliminate the influence of water vapor absorption), we get the characteristic absorption spectrum of GaAs within the band of frequency.
在室温去除水份影响的氮气环境中，获得了低温生长的砷化镓在该波段的特征吸收谱。
Differential optical absorption spectroscopy (DOAS) makes use of the flue gas pollutant different optical absorption characteristic at the UV-VIS wave band to measure their average concentration.
差分吸收光谱法是利用气体污染物在UV - VIS波段对光有不同的吸收特性来测量其平均浓度。
Differential optical absorption spectroscopy (DOAS) makes use of the flue gas pollutant different optical absorption characteristic at the UV-VIS wave band to measure their average concentration.
差分吸收光谱法是利用气体污染物在UV - VIS波段对光有不同的吸收特性来测量其平均浓度。
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