相关实验视频

Updated: Jun 23, 2025

Characterization of Recombination Effects in a Liquid Ionization Chamber Used for the Dosimetry of a Radiosurgical Accelerator
07:31

Characterization of Recombination Effects in a Liquid Ionization Chamber Used for the Dosimetry of a Radiosurgical Accelerator

Published on: May 9, 2014

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实现线性加速器每月剂量测量QA的电离室阵列.

Sameer Taneja1, David L Barbee1

  • 1Department of Radiation Oncology, New York University Langone Medical Center, New York, New York, USA.

Journal of applied clinical medical physics
|June 26, 2024
PubMed
概括

IC Profiler (电离室阵列) 为线性加速器提供准确有效的每月剂量测量质量保证. 优化的增益设置显著提高了对光束输出测量的准确性.

关键词:
在IC中,我们使用了IC Profiler.剂量测量方法 剂量测量方法线性加速器QA QA 线性加速器QA每月一次的质量保证

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相关概念视频

Mass Analyzers: Common Types01:19

Mass Analyzers: Common Types

The quadrupole mass analyzer consists of four cylindrical metal rods arranged in a diamond carrying a DC voltage and a radio-frequency AC voltage. The motion of ions through the quadrupole depends on the field strength, causing only ions of a certain m/z to resonate successfully and strike the detector at a given field strength. Though the transmission rate for these analyzers is high, the exact elemental composition of the sample is not determined because of low resolution; however, they are...
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Mass Analyzers: Overview01:13

Mass Analyzers: Overview

The mass analyzer is a crucial component of the mass spectrometer. In the ionization chamber, the vaporized sample is bombarded with a high-energy electron beam to generate a radical cation and further fragment into neutral molecules, radicals, and cations. A series of negatively charged accelerator plates accelerate the cations into the mass analyzer. The mass analyzer separates ions according to their mass-to-charge (m/z) ratios and then directs them to the detector. The common types of mass...
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