Further analysis shows that it is caused by the enhancement of the threshold current density and threshold carrier density in terms of optical-gain spe.
进一步分析认为，这是因为条宽变窄导致器件阈值电流密度、阈值载流子密度变大造成的。
The results show that the saturated color density is improved by addition of antioxidant, and the reflection optical density reached 1.
结果表明：抗氧剂的使用可提高热敏层的饱和光密度，使涂层的反射光密度达到1。
The wavefront power spectral density(PSD) is being adopted for specifying the large optical component employed in high power density solid-state laser for inertial confinement fusion(ICF).
波前功率谱密度（PSD）被用于评价惯性约束聚变（ICF）激光驱动器光学元件中频段的波前误差。
The wavefront power spectral density (PSD) is being adopted for specifying the large optical components employed in high power density solid state laser for inertial confinement fusion (ICF).
波前功率谱密度（PSD）被用于评价ICF激光驱动器光学元件在中频区域的波前误差。
Results it was showed by CDIA system that the average optical density and integral optical density of melasma were much higher than the normal ones.
结果计算机数字图像分析表明，黄褐斑患者皮损的平均吸光度和积分密度明显高于正常人，并能精确的计算出皮损面积。
The rainbow schlieren can be widely used in a lot of typical flow field as a non-invaded optical measurement. It can measure the density and density-grads quantitatively.
彩虹纹影定量测量技术作为一种光学非侵流场定量测量技术在诸多典型流场的定量测量中有着广阔的应用前景，可用于定量测量流场的密度梯度和密度场。
The rainbow schlieren can be widely used in a lot of typical flow field as a non-invaded optical measurement. It can measure the density and density-grads quantitatively.
彩虹纹影定量测量技术作为一种光学非侵流场定量测量技术在诸多典型流场的定量测量中有着广阔的应用前景，可用于定量测量流场的密度梯度和密度场。
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