nuclear fission

The teacher explained the principles of nuclear fission to the class.

老师给这个班的学生解释核裂变的原理.

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Nuclear fission would have been a dramatic discovery at any time.

在任何时候,原子核裂变都会成为引人注目的发现.

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In this paper, the two dimensional Fokker-Planck Equation is exactly solved by means of the numerical method. The velocity distribution at the saddle point, the second moments of the coordinate and velocity, the time development of the nuclear fission rate are studied.

本文应用数值方法严格求解二维福克-普朗克（Fokker-Planck）方程，研究在鞍点上的速度分布、坐标和速度的二次矩以及核裂变速率随时间的演变。

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Material which is capable of producing energy by a self-sustaining chain reaction of nuclear fission.

一能由原子核分裂之自续连锁反应而产生能量之物料.

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A nuclear weapon in which enormous energy is released by nuclear fission ( splitting the nuclei of a heavy element ( uranium 235 or plutonium 239)).

一种由原子核（裂变重元素（铀或钚）的原子核）裂变释放巨大能量的武器。

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Standard nuclear fission will generate the heat.

标准的核裂变反应会产生热.

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All commercial nuclear power is provided by fission at the present time.

目前所有的商用核动力都是通过核裂变产生的.

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The Influence of Non-Harmonic Potential on Nuclear Fission Rate

非谐位垒对核裂变速率的影响

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In operation since the early1970s, Japan's Fukushima Daiichi nuclear plant uses six boiling water reactors, which rely on uranium nuclear fission to generate heat.

从19世纪70年代投入运行以来，日本福岛第一核电站利用六个沸水堆，通过铀核裂变来产生热能。

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Caesium-137 is a radioactive isotope, formed mainly through nuclear fission.

铯-137是一种放射性同位素, 主要由核分裂产生.

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In some countries that secrecy stemmed from the military uses of nuclear fission.

一些国家之所以采取隐秘的方式,是因其将核裂变用于了军事方面.

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Nuclear fission releases tremendous amounts of energy.

核裂变释放出巨大的能量。

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The energy produced during atomic nuclear fission is great enough to destroy the whole city.

原子核裂变时产生的能量足以摧毁整座城市.

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Nuclear fission a process whereby a uranium nucleus absorbs a neutron, is not.

核裂变却是一个铀核吸收一个中子, 而不是其它过程.

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Faith in controlled nuclear fission is now being shown by the construction of actomic power stations.

现在原子电站的建设,表明了对可控核裂变的信心.

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The particles disintegrated during the nuclear fission process.

在核裂变过程中,离子被分解.

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Many of the heaviest nuclei can be induced to break up into two fragments of intermediate size, a process called nuclear fission.

许多最重要的原子核能被诱发分裂为两块大小适中的碎片，这一过程称为核裂变。

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This paper summarized the research present situation of nuclear chemistry, mainly expounded the nuclear chemical reaction principle, including nuclear decay, nuclear fission and nuclear fusion.

综述了核化学的研究现状。主要阐述了核化学的反应机理，包括衰变，聚变和裂变；

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The time nuclear fission takes place vast energy is released.

核裂变发生时,放出大量的能.

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The discovery of nuclear fission is a typical case.

核裂变的发现就是一个典型例子.

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If a nuclear power plant does not function properly, radioactivity may be released into the surrounding area by a mixture of products generated inside the reactor ( nuclear fission products).

如果一家核电厂不正常运转，那么放射线/辐射就有可能被释放到周围地区，最大量可达到反应堆（核裂变产物）内部生成的所有量。

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Faith in controlled nuclear fission is now being shown by the construction of atomic power stations.

现在原子能电站的建造,显示了对受控核裂变的信心.

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Investigation of Feasibility of Measurement of Nuclear Fission Number by Using 3-5MeV γ-Rays

利用3&5MeVγ射线测量核裂变数的可行性研究

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The latter property of nuclear fission has a significant implication.

核裂变的这后一个性质有一个重要的应用.

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Studying nuclear fission rate from the point of view of Brownian motion

从布朗运动观点研究核裂变的速率问题

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Nuclear energy is liberated as a result of nuclear fission.

原子能因核裂变而释放出来了.

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In some countries that secrecy stemmed from the military uses nuclear fission.

某些国家,那种秘密是基于将核裂变用军事用途.

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Nuclear fission has contributed to our society some new phrases& critical mass and critical size.

原子核裂变给我们的社会带来了一些新词汇“临界质量”和“临界大小”。

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The world at large was less well prepared for the exploitation of nuclear fission.

然而对于核裂变的利用,人类社会还缺乏足够的准备.

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Nuclear fission is more promising, but nuclear fuel is also finite.

核裂变发电更有前途, 但核燃料也是有限的.

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