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Updated: Jan 12, 2026

Characterization of Recombination Effects in a Liquid Ionization Chamber Used for the Dosimetry of a Radiosurgical Accelerator
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在2D kV图像导向放射治疗中测量成像剂量,使用本土开发的便携式自由空气电离室

Rahul Kumar Chaudhary1, Sudhir Kumar1,2, Mahendra More3

  • 1Radiological Physics and Advisory Division, Bhabha Atomic Research Centre, Mumbai, Maharashtra, India.

Journal of medical physics
|October 30, 2025
PubMed
概括

这项研究测量了放射治疗中的千伏成像剂量,使用新的自由空气电离室 (FAIC). FAIC和诊断探测器显示空气基马值低于文献,这表明通过协议优化可以降低潜在的剂量.

关键词:
自由空气电离室的电离室图像指导放射疗法 图像指导放射疗法图像检测协议 图像检测协议患者的剂量 患者的剂量

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Biological Effects of Radiation02:59

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All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...
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