In 1999, Nakagawa was involved in treating two employees of JCO, a nuclear fuel cycle company, whose mishandling of uranium resulted in massive doses of radiation. Both employees eventually died.

1999年，中川曾卷入治疗JCO公司的两名员工，经营核燃料回收的JCO公司当时由于对铀的不正确操作导致大剂量的核辐射，导致两名员工最终身亡。

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The flow of materials in the nuclear fuel cycle, from uranium mining through fuel reprocessing and waste disposal, is shown on the following Page.

核燃料循环流程图，从开铀矿到燃料加工到废品处理，都显示在下图。

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So far, Tehran has not restarted work on the most sensitive part of the nuclear fuel cycle, uranium enrichment a process that can be used to make either fuel for reactors or nuclear warheads.

ECONOMIST: No appetite for carrots, no fear of sticks | The

The BBC's diplomatic correspondent, Jonathan Marcus, says the exploitation of these mines underscores Tehran's determination to master and operate the full scope of the nuclear fuel cycle from uranium extraction, processing, enrichment and ultimately the manufacture of nuclear fuel.

BBC: Iran unveils uranium activities at Saghand and Ardakan

Last Sunday, the head of Israel's military intelligence reported that Iran has mastered the nuclear fuel cycle and can rapidly move from low-grade uranium enrichment to weapons-grade uranium enrichment.

CENTERFORSECURITYPOLICY: Washington has abandoned its obligations