针对大厚度材料内部缺陷的检测问题,利用缺陷对激光超声的衍射作用实现了内部缺陷的定位定量检测。首先利用Comsol软件研究了激光......

Objective: The aim of the study was to study the effect of the size and location of tumors on the normal lung dose-volum......