Radiographic examination was performed with portable X-ray fault detector appling the special radiographictechnique for fillet weld of heat exchange tube-tubeplate.
用普通便携式X射线机，采用特殊的透照技术，对换热管与管板角焊缝进行射线检测。
2
Objective To summarize the radiographic characteristic and endovascular interventional technique in patients with aneurysm in bifurcation of middle cerebral artery.
目的总结大脑中动脉分叉部动脉瘤影像学特征、血管内栓塞治疗技巧及结果。
3
Our preliminary results using this new technique have demonstrated a high rate of clinical and radiographic union with near normal return of extensor mechanism function.