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Updated: Sep 15, 2025

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一个新的协议,用于对小立体束束束束模型的参数化

Tim Melhus1, Mohammed Ghazal1,2, Hamza Benmakhlouf1,2

  • 1Department of Medical Radiation Physics and Nuclear Medicine, Karolinska University Hospital, Stockholm, Sweden.

Journal of applied clinical medical physics
|July 14, 2025
PubMed
概括

一个新的协议提高了对立体辐射疗法的治疗计划系统中辐射束建模的准确性. 这种增强的模型确保了小处理量精确的点和场尺寸,提高了处理精度.

关键词:
波束模型优化优化剂量计叶子间隙间隔的叶子间隔有效的现货大小.林纳克立体电动辐射疗法

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The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and...
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In the design of a supported timber beam subjected to a distributed load, both the beam's physical dimensions and the timber's characteristics, such as its grade and species, are critical. These factors determine the allowable stress values, which are crucial for calculating the necessary beam depth to ensure structural integrity and safety.
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