The scattering light of bubble is analysed from the point of view of geometry optics, from which it is concluded that the fluctuation of light intensity has some relation with the diameter of bubbles.
从几何光学的角度出发分析了气泡对光的散射，得出散射光强的波动特性与气泡的直径存在一定的关系。
The Corrections for neutron fluence attenuation, multiple scattering and finite geometry are performed by using Monte-Carlo method.
用蒙特卡罗方法对中子在样品中的注量衰减，多次散射及有限角分辨做了修正。
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