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<h1 class="text-xl font-bold logo-gradient">中国原子能科学研究院</h1>
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<p>您好！我是原子能科研助手，专注于核科学与技术领域。您可以向我咨询反应堆物理、辐射防护、核燃料循环、核技术应用等方面的问题。</p>
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<p>中子俘获反应在快堆中的作用是什么？</p>
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<p class="mb-3">在快堆中，中子俘获反应主要有以下作用：</p>
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<li><strong>增殖核燃料</strong>：通过U-238中子俘获产生Pu-239，实现燃料增殖</li>
<li><strong>控制反应性</strong>：某些材料（如B-10）的中子俘获用于反应性控制</li>
<li><strong>嬗变长寿命核素</strong>：通过俘获中子将长寿命裂变产物转变为短寿命或稳定核素</li>
<li><strong>结构材料活化</strong>：堆内材料的中子俘获产生放射性核素，影响辐射防护</li>
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<p class="font-medium">参考文献：</p>
<p>李宏刚等. "快堆中子物理特性研究"《核科学与工程》, 2022, 42(3): 421-428.</p>
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