辐射剂量测定工作的好坏,关系到肿瘤放射治疗的成败。准确的剂量工作,不仅有利于提高疗效,保证放射治疗疗效的重复性,也增加了各放射治疗单位间疗效的可比性。由于各单位间的剂量测定方法以及组织剂量的计算方法不一致,例如测照射量,将电离室有的放在支架上、钴治疗机床面上或枕头上,因此,我室在1978年着重测定了散 The quality of radiation dosimetry is related to the success or failure of tumor radiation therapy. Accurate dose work not only helps improve the efficacy, but also ensures the repeatability of the radiation therapy effect, and also increases the comparability of the efficacy between the radiation therapy units. Due to the inconsistent method of dosimetry between different units and the method of calculating the tissue dose, such as measuring the amount of radiation, some of the ionization chambers were placed on a support, a cobalt treatment machine tool surface, or a pillow. Therefore, our laboratory focused on the measurement in 1978. Scattered