Results:(1) The ion chamber measured error absolute dose was between 3% for 8 patient, and 2 patient was between 5%, next three aspects will affect absolute dose verification results: accelerator geometry parameter, small dose MU linearity, accuracy of position .
结果:1、电离室验证绝对剂量8例测量的绝对剂量偏差在3%以内,2例在5%以内,以下三方面因素会影响绝对剂量验证结果:加速器几何参数、小跳数剂量线性、摆位精度。
参考来源 - 调强适形放射治疗的剂量学验证In EUV and soft X-ray band, the most often used detector is ion chamber with rare gas, from whose collective electrode we can directly calculate intensity of photon flux.
在极紫外和软X射线波段常用的探测器是稀有气体电离室，可以通过电离室收集极的收集电流直接计算出光子流强度。
参考来源 - 一种软X射线/极紫外波段辐射标定方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Objective: to discuss the feasibility of two-dimensional ion chamber array in daily quality assurance of accelerator.
目的：探讨应用二维电离室矩阵在加速器日常质量保证中的可行性。
A transverse field gas ionization chamber for particle identification at the Radioactive ion Beam Line in Lanzhou (RIBLL) is described.
描述了一种将用于兰州放射性束流线较重离子鉴别的多阳极横向场电离室。
The technique of soft X-ray ion chamber includes the measurement of the ion current as a function of rare gas pressure in the ion chamber.
软X线稀有气体电离室作为软X线波段绝对探测器，是通过测量光电离子流得出光谱辐射强度。
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