Objective To study the dose distribution of different bolus after different energy electron beam irradiation to different chest wall radiotherapy for the patients with breast cancer.
目的：对乳腺癌术后胸壁放射治疗时不同能量电子线照射不同厚度组织等效膜产生的剂量进行测量及分析。
The distribution function and the relationship between location and energy of electron beam are derived by use of kinetic theory.
利用动力学理论得到了电子平衡态分布函数以及环形束流的径向位置和通道内电磁场的自洽解。
Based on the theory of wide electron beam focusing with curved axis, a method for determining the off-axis point spread distribution is studied using the trajectories with curved axis.
根据曲轴宽电子束聚焦理论，研究了一种用曲轴轨迹确定轴外点扩散分布的方法。
The measurement of residual stress of electron beam welding need to expend great cost, so it is important to numerically simulate the value and distribution of welding residual stresses.
电子束焊接残余应力的实测需要花费大量成本，因此采用数值模拟其焊接残余应力的大小和分布具有重要意义。
The measurement of residual stress of electron beam welding need to expend great cost, so it is important to numerically simulate the value and distribution of welding residual stresses.
电子束焊接残余应力的实测需要花费大量成本，因此采用数值模拟其焊接残余应力的大小和分布具有重要意义。
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