这就是散射粒子。

This is the scattered particle.

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为改善康普顿背散射成象技术图象，必须提高散射粒子的检测效率。

Scattered particle detecting efficiency must be raised in order to improve the image quality of Compton scattering imaging.

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本文讨论一层密集随机分布的球形散射粒子矢量辐射传输方程的数值求解方法。

Numerical approach to vector radiative transfer equation for a layer of densely random, spherical scatterers is discussed.

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And then, what they did is they made a map of where the particles scattered once they struck the screen.

他们做的是,绘制粒子每次散射位置的图,每当他们撞击屏幕的时候。

麻省理工公开课 - 固态化学导论课程节选

For, as Rutherford has shown the assumption of the existence of nuclei, as those in question seems to be necessary in order to account for the results of the experiments on large angle scattering of the alpha rays.

因此卢瑟福,提出了原子核存在的假设，这些关于问题的假设对于,解释阿尔法粒子的,大角度散射是有必要的。

麻省理工公开课 - 固态化学导论课程节选

We know we need to divide by 266, 266 but what we need you to help us with is to figure out this top number here and see how many particles are going to backscatter. So if the TAs can come up and quickly hand out 1 particle to everyone.

知道背散射的概率就可以了，我们知道要除以,但还需要你们来搞清楚,分子上的数是多少，有多少个发生背散射的粒子,助教们请过来,把这些球分给同学们。

麻省理工公开课 - 化学原理课程节选