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[X射线科室辐射控制中散射辐射的测量]

[The measurement of scattering radiation in the radiation control of x-ray offices].

作者信息

Berliand V A, Volegov P L, Platonov N N

出版信息

Med Tekh. 1998 May-Jun(3):17-9.

PMID:9720012
Abstract

A procedure for measuring the power of an ambient and goal-oriented equivalent scattered radiation dose in the radiation control of X-ray rooms. The procedure is based on the concept of the effective solid angle of a dosimeter directivity diagram. The plots of the angular response of a S2010 selective X-ray dosimeter for studying the radionuclides 119Sn, 241Am, 57Co are exemplified. The scaling factors for dosimetric reading for isotropic and nonuniform fields of radiation were calculated from the obtained values of effective angular solid angles (0.7, 0.8, 1.2 pi).

摘要

一种用于在X射线室辐射控制中测量环境等效散射辐射剂量和目标等效散射辐射剂量的程序。该程序基于剂量计方向图有效立体角的概念。给出了用于研究放射性核素119Sn、241Am、57Co的S2010选择性X射线剂量计角响应曲线示例。根据有效角立体角(0.7、0.8、1.2π)的获得值计算了各向同性和非均匀辐射场剂量测量读数的比例因子。

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