... depth dose distribution 深度剂量分布 depth dose 深度剂量 derived investigation level 导出调查水平 ...
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本文研究了多层介质中电子束的能量沉积及深度剂量分布。
Energy deposition in multilayer medium and the depth dose distribution in the layers are.
目的：探讨动态楔形板和物理楔形板对射线深度剂量与射野外周边剂量的影响。
Purpose: To understand the influence to depth doses and peripheral doses by Enhanced Dynamic Wedge and physical wedge.
方法：利用电离室法测量平野、动态楔形野、物理楔形野的深度剂量和射野外周边剂量。
Methods: The depth doses and peripheral doses were measurement for open field and Enhanced Dynamic wedge field as well as physical wedge.
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