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核能有两个最具影响的应用 :一是它的和平利用———核电 (第四讲介绍 ) ,另一是它的军事应用———核武器 .文章将介绍核能和核武器基本原理以及核燃料生产方法 .首先简要介绍核裂变能与聚变能 ;然后比较详细地说明原子弹的基本原理 ,包括中子增殖、自持裂变链式反应条件、临界质量和两种形式原子弹的结构原理等 ,对于氢弹、中子弹的原理仅作简单介绍 ;最后 ,对核燃料的生产 :铀同位素分离和钚 - 2 39的反应堆生产作了原理性的介绍 .
Nuclear energy has two of the most influential applications: one is its peaceful use of nuclear power (Lecture 4) and the other is its military application of nuclear weapons.The article will introduce the fundamentals of nuclear energy and nuclear weapons and the production of nuclear fuel Method. First, the fission energy and fusion energy are briefly introduced. Then the basic principles of the atomic bomb, including the propagation of neutron, the self-sustaining fission chain reaction conditions, the critical mass and the structural principle of the two types of atomic bombs, are described in detail. For hydrogen bomb, The principle of which is introduced briefly; and finally, the principle introduction of nuclear fuel production: uranium isotope separation and reactor production of plutonium-239 is introduced.