The invention relates to a radiation-shielded door, especially for use in an X-raytesting device.
本发明涉及一种特别是在X射线检查设备中的射线防护门。
2
X-raytesting method was chose to detect logs inner defects. Log images were obtained according to the intensity differences of the ray through logs.
本文采用X射线方法作为检测手段，根据射线透过木材后强度的差异，得到原木图像。
3
In the experiment, the X-raytesting system takes pictures of the jet formatting and stretching. According to the pictures, we can calculate the jet tip average velocity.