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肿瘤热疗中组织水分汽化对温度场的影响及模拟研究

Keywords: 微波热疗,温度场模拟,

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Abstract:

在肿瘤微波热疗中,为了准确地预测近场温度分布,分析了微波热疗组织的温升曲线,针对水分蒸发对温度分布造成的影响,计算了肝脏组织的焓值和高温微波能量比吸收率(specificabsorptionrate,SAR)的分布,并将二者引入模拟过程中.结果表明,热疗中近场温度模拟准确性得到了明显的提高.

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