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裂变链式反应
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  fission chain reaction
     During the 30s and 40s of the last century atomic physicists discovered the fission of uranium nuclei bombarded by neutrons and realized the first self-sustaining controlled fission chain reaction, which ushered in the atomic age.
     20世纪三四十年代,原子物理学家们发现中子轰击铀原子核的裂变现象并首次实现可控裂变链式反应,把世界带进了原子能时代.
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  相似匹配句对
     Fission of Narration
     叙事的裂变
短句来源
     Polymerase Chain Reaction
     聚合酶链式反应
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     Preequilibrium Fission
     预平衡裂变
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     A NoveL Computer Simulator of the Chain Reaction
     链式反应的计算机模拟
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  fission chain reaction
Analytic method for determining the parameters of the fission chain reaction for a cylindrical uranium bar and estimates of the
      
Under conditions of heavy-ion fusion (HIF), there arises the possibility of obtaining a fission chain reaction for a HIF cylindrical target (Koshkarev, Sharkov, 2002).
      
The results of this work made it possible to determine the parameters which must be limited in handling wastes in order to avoid the occurrence of a self-maintaining fission chain reaction.
      
Around sixty years ago, the nuclear fission chain reaction was discovered.
      
Among reactions providing subnuclear fission chain reaction power are neutrino-stimulated proton decay chain reactions.
      
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Nuclear energy has had two most significant applications, nuclear power and nuclear weapons. In this paper we describe the basic mechanisms of nuclear energy and nuclear weapons, and the manufacture of nuclear fuels. Fission and fusion are the two most important nuclear processes for generating nuclear energy and both have been used to make nuclear weapons. The basic physical factors involved in nuclear weapons include neutron multiplication, self-continuity of the fission chain reaction, critical mass and the...

Nuclear energy has had two most significant applications, nuclear power and nuclear weapons. In this paper we describe the basic mechanisms of nuclear energy and nuclear weapons, and the manufacture of nuclear fuels. Fission and fusion are the two most important nuclear processes for generating nuclear energy and both have been used to make nuclear weapons. The basic physical factors involved in nuclear weapons include neutron multiplication, self-continuity of the fission chain reaction, critical mass and the structure of the nuclear bombs. For hydrogen and neutron bombs we only give brief reviews. As important aspects in nuclear weapon manufactrue, uranium isotope separation and 239Pu production by reactors are reviewed.

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 .

During the 30s and 40s of the last century atomic physicists discovered the fission of uranium nuclei bombarded by neutrons and realized the first self-sustaining controlled fission chain reaction, which ushered in the atomic age. After 50 years of electricity production, in 2003nuclear power plants were generating 16% of the total electricity in the world. Of these, thermal neutron reactors make up over 99%. For the large scale production of nuclear power , say up to hundreds of GWe, it is very important to...

During the 30s and 40s of the last century atomic physicists discovered the fission of uranium nuclei bombarded by neutrons and realized the first self-sustaining controlled fission chain reaction, which ushered in the atomic age. After 50 years of electricity production, in 2003nuclear power plants were generating 16% of the total electricity in the world. Of these, thermal neutron reactors make up over 99%. For the large scale production of nuclear power , say up to hundreds of GWe, it is very important to speed up the development and deployment of fast breeder reactors to avoid the future lack of uranium resources.

20世纪三四十年代,原子物理学家们发现中子轰击铀原子核的裂变现象并首次实现可控裂变链式反应,把世界带进了原子能时代.半个世纪以来核电已达到全世界电力的16%.目前99%以上都是热中子反应堆核电站.在大规模发展核电的情况下,比如说百GWe,必须加快快中子增殖反应堆的发展和推广,方无核燃料匮乏之虞.

 
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