A numerical method of the statistics fluctuation problem of fission chains is studied for fission system driven by a weak neutron source.

研究了弱中子源驱动下，裂变系统中子裂变链统计涨落问题的数值计算方法。

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The numerical method of the statistics fluctuation problem of fission chain is studied for a fission system driven by a weak neutron source.

研究了弱中子源驱动下，裂变系统中子裂变链统计涨落问题的数值计算方法。

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For the neutron transportation calculation, accurate fission neutron source is the prerequisite and fundament ensuring that the calculation results are reliable.

在中子输运计算中，准确的裂变中子源是保证计算结果可靠性的前提和基础。

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The energy release from nuclear fission is roughly a million times greater per unit weight than fossil fuels, which is why nuclear fission is such a compelling long term energy source.

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Thermoelectric coupling uses heat from the decay of a radioactive fuel (as opposed to the full-scale nuclear fission which powers a reactor on Earth) as its energy source.

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