In the spectrum of pyrophyllite containing more quartz the absorption band tends to damp or vanish.
在含石英较多的叶蜡石红外谱图中，叶蜡石的吸收谱带减弱或消失。
The results showed the absorption band produced by the imperfection, impurity and non diamond phase in films decreased the transmission of the films.
结果表明，膜中的缺陷、杂质和非金刚石相在透射谱中产生吸收带；
The band gap, linear refractive indices and absorption coefficients fundamental optical constants of the film were obtained through optical transmittance measurements.
用光学透射测量方法得到了该薄膜材料的基本光学常数（带隙、线性折射率、线性吸收系数）。
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