The influence of field on output factor when the jaws are unfixed 放疗用高能电子束光栏不固定限束方式下照射野大小对输出量的影响
2.
Influence of field size on electron beam central axis dose on a radiotherapy linear accelerator 电子束照射野面积对中心轴剂量和输出因子的影响
3.
Results the experiment manifested that the compensator fabricated by the way could make the high dosage shape of target in accordance with the form of tumor and could adjust the distribution of the dosage according to remedy requirement 结果：实验和研究表明，运用该方法制作的三维熔铅调强挡块，不仅能实现靶区高剂量的形状在三维方向上与肿瘤的形状一致，而且可时照射野内剂量分布按要求的方式调整。
