Last Updated :2025/12/06

slightly-enriched uranium

Noun
uncountable
Japanese Meaning
0.9~2%のウラン235を含む濃縮ウラン。特殊な減速材(例:重水、高純度グラファイトなど)を必要とし、核分裂連鎖反応を維持できるような特定の原子炉で利用される。 / 原子炉の出力と効率を向上させるため、または廃棄された核兵器の高濃縮ウランを低濃縮ウランにダウンブレンド(希釈)するために使用される。
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発電所のパイロットプログラムでは、熱出力を増やすために燃料としてウラン235濃度が約0.9〜2%の低度濃縮ウランを使用し、重水のような非常に低い中性子吸収率を持つ減速材に依存することを試験した。

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(nuclear physics) Enriched uranium with 0.9-2% uranium-235, requiring a special moderator with very low neutron absorption (such as heavy water or high-purity graphite) in order to be able to sustain a nuclear fission chain reaction. Used to increase power output and efficiency in a few types of nuclear reactors capable of running on natural uranium, and for downblending of highly-enriched uranium from decommissioned nuclear weapons into low-enriched uranium suitable for use in commercial power reactors.

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slightly-enriched uranium

The power plant pilot program tested using slightly-enriched uranium as fuel to increase thermal output while still relying on a very low neutron-absorption moderator like heavy water.

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The power plant pilot program tested using slightly-enriched uranium as fuel to increase thermal output while still relying on a very low neutron-absorption moderator like heavy water.

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