Objective: to observe the doserateeffect of adaptive response of thymocyte apoptosis and cell cycle progression induced by low dose X ray radiation.
目的：观察X线低剂量辐射诱导胸腺细胞凋亡和细胞周期进程适应性反应的剂量率效应。
2
Objective: to investigate the effect of contrast material flow rate and dose on intracranial vascular spiral computed tomographic angiography (SCTA) imaging.
目的：探讨不同对比剂用量及注射速率情况下，多层螺旋CT脑血管成像的应用效果。
3
Objective To evaluate the effect of postoperative radiotherapy of glioma by CT guided interstitial irradiation brachytherapy of high doserate.