The number of photons collected by a pixel, and therefore the pixel value, is a measure of the flux, and thus of the brightness of the light source.

一个像素所收集到的光量子数，也就是像素值，是测量的光通量的方式，即反映了光源的亮度。

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Furthermore, the identify on line of flow model and relationship of quality flux and light projections have been elementarily found through plenty of experiments on quartz particles flow fields.

针对石英砂颗粒流场进行了大量的实验，并初步得到了石英砂颗粒流场流型的在线识别以及质量流量与光束投影和之间的关系图。

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The paper describes the model for calculating the neutron flux density distribution in two dimensional hexagonal geometry assembly of light water reactor (LWR) by transmission probability method.

研究利用穿透概率法求解二维六角形轻水堆燃料组件内中子通量密度分布。

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Measuring the upward flux of light from the earth is not a new idea.

ECONOMIST: Going, going, nearly gone