简述宽束CT剂量指数的检测方法  

A Brief Introduction to the Detection Method of Wide-beam CT Dose Index

作　　者：潘强 PAN Qiang

机构地区：[1]宁德市计量所

出　　处：《计量与测试技术》2022年第8期82-83,86,共3页Metrology & Measurement Technique

摘　　要：本文主要介绍采用10cm的长杆电离室分组测量后求和的方式,检测标称射线宽度160mm的CT设备剂量指数的操作方法,阐述了传统标准器解决新发展仪器的检测问题,保证量值的准确传递。This article mainly introduces the method of detecting the dose index of a CT device with a nominal ray width of 160mm by using a 10cm long rod ionization chamber and adopting the method of grouping measurement and final summation.The solution to the detection of the newly developed instruments byusing the traditional stand-ard instruments is explained,ensuring the accurate transmission of measured values.

关 键 词：电离室 剂量 射线宽度 

分 类 号：R8142[医药卫生—影像医学与核医学]