【摘 要】
：
重离子束应用在治疗肿瘤上具有优越的深度剂量分布特点.发展精确计算剂量的物理模型理论成为其应用的关键,为此,首先从生物细胞的化学组成成分、放射生物学的特点和物理剂量
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重离子束应用在治疗肿瘤上具有优越的深度剂量分布特点.发展精确计算剂量的物理模型理论成为其应用的关键,为此,首先从生物细胞的化学组成成分、放射生物学的特点和物理剂量计算的要求对理论计算的介质进行了选择.利用现有计算核反应部分截面和修正的总截面经验公式,同时考虑了不同影响理论计算的因素,提出了中能重离子理论计算深度剂量分布的方法,其计算结果与实验数据符合很好,可应用在重离子治癌和生物学效应研究中.
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