During a nuclear fission chain reaction, the tubes heat up to extremely high temperatures, and the way to keep them safe turns out to also be the way to extract useful energy from them.

核裂变连锁反应发生时，导管被加热到极其高的温度，将热量安全导出则意味着可以提取裂变产生的可利用能量。

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This approach could extract far more energyfrom a given amount of nuclear fuel while at the same time reducing the volumeand toxicity of nuclear waste.

这种方法从给定的核燃料中释放出更多的能源，同时减少了核废料的体积和毒性。

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The lysis of the cells is the first step to extract nuclear acid.

细胞壁的裂解是提取核酸的第一步。

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Both sides are expressing concern over North Korean statements on Friday that Pyongyang is continuing to extract plutonium from spent nuclear fuel for material useable in weapons.

VOA: standard.2009.09.06

Also, he said, it would take hours or days for anyone to dismantle the CFX and extract the nuclear fuel.

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They managed to extract the type of DNA found in the nuclei of cells (nuclear DNA) and genetic material from the cell's "powerhouses" - known as mitochondria.

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