Including: ①the dosimeter examining and stability of treatment standardinthe ionization chamber;②the measurement affected by repeatability,stability,linearity andthe randomvariety of angle bracket that is usedin measuring monitor of accelerator(It’s mainfunctionis monitoringthe prescription dose of patients);③QA&QC measure in beamand characteristics of field.
放疗剂量测量中的质量控制(QC)与质量保证(QA)是对肿瘤患者进行精确治疗不可缺少的重要环节,本文对剂量测量的QA、QC从内容、方法到指标或范围都进行了较为详尽的定量的论述:(1)治疗水平电离室剂量计的检定与稳定性;(2)用于患者处方剂量监测的加速器上监督剂量仪的重复性、稳定性及线性和随机架角变化等影响的检测;(3)射束质和射野特性等QA、QC措施。
tissue equivalent ionization chamber dosemeter
组织等效电离室剂量计
Absolute determination of electron absorbed dose by an extrapolation chamber
用外推电离室绝对测定电子束吸收剂量
Parallel-plane chamber calibration for measuring medical electron beam absorbed dose
医用电子束吸收剂量测量中的平行板电离室校准
The Preliminary Study of Two Dimensional Ionization Chamber Array and Electronic Portal Imaging Device System in Dosimetric Verification
二维电离室矩阵与电子射野影像系统在剂量验证中的初步研究
The Design of Portable HPXe Array-Pole Ionization Chambers with a Shielding Mesh for Measuring Nuclear Material Gamma-Ray Spectrum;
用于核材料γ能谱测量的便携式HPXe屏栅阵列电离室的设计
Monte Carlo Method based Optimal Design of Wall Thickness Response of Spherical Ionization Chamber to Photon Energy
球型高压电离室壁厚对光子能量响应的蒙特卡罗优化设计
Measurement of 25.5MeV Neutron Fluence Rate With ~(238)U Fission Chamber
~(238)U裂变电离室测量25.5MeV中子注量率
a tube acting as an ionization chamber in a Geiger counter.
在盖革计数器中的作为电离室的小管。
Method of Dose Calculation for Heavy-ion Cancer Therapy at IMP
IMP重离子治癌中的剂量计算方法
Study on Optimization Design for Anode Structure of the High-Pressure Xenon Chambers
高气压充氙电离室电极结构的优化设计研究
RADIOMETRIC PROPERTIES OF PR-CN(PVB) RADIOCHROMIC DYE FILM DOSIMETER FOR THE MEASUREMENT OF ELECTRON DOSE
辐射显色薄膜电子高剂量计的剂量学特性
The Ionization Total Dose Radiation Effects and Hardening Techniques of FPGA Microcircuit;
FPGA微电路电离总剂量辐射效应及加固技术研究
Well-type High Pressure lonization Chamber for Accurate Measurement of y Activity
高气压井型电离室γ核素活度测量装置
Curve Fitting in Expanding Measuring Range of Ionization Chamber
曲线拟合在扩展电离室量程范围方面的应用
FREE-AIR IONIZATION CHAMBER USED IN ABSOLUTE MEASUREMENT OF LOW ENERGY X-RAYS
用于低能X射线绝对测量的自由空气电离室
Design of Small Flow Annular Centrifugal Extractor for Laboratory
实验室用小流量环隙式离心萃取器的设计
Study on Reduction of Noble Metal Catalysts Using Argon Glow Discharge Plasma at Room Temperature;
氩气辉光放电等离子体室温下还原贵重金属催化剂研究
Objective To explore the effect of long low-dose radiation on ocular lens.
目的评估长期小剂量电离辐射对晶状体的影响。