The imaging characteristics of a GRIN fiber lens with exponential variationof the constant-index surfaces are discussed based on the ray paths equations.
本文根据光线轨迹方程，讨论一种等折射率面为指数型变化的梯度折射率纤维透镜的成象特性。
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The aggregate index that appears the variation magnitude and variation speed and the variation nature is proposed to describe quantitatively the variation nature and complexity of heterogeneity.
The changing law of retention index with temperature from chromatographic thermal function resulted from the variationof the different entropy and enthalpy during the chromatographic separation.