There is a publication this week which was thought to be a natural experiment with sand carrying iron dust into the ocean.

本周公布了一个曾被公认的自然实验，它是把沙子和着铁屑一起倾倒在海洋里。

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Reoxidation problems of iron dust and fine carbon bearing pellets during reduction cooling and storing in the oxidizing atmosphere have been investigated.

研究了转炉尘泥和精矿含碳球团在氧化性气氛下还原、冷却和贮存过程中的再氧化问题，提出了有效防止再氧化的措施。

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However, the witness statements as well as the physical evidence leave no doubt that combustible iron dust was also involved in the aftermath of the explosion.

尽管如此，现场目击者的证词和物理证据均表明铁粉参与了爆炸。

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Also coming up on the show today, a fellow at Columbia University wants to dump iron dust into the ocean.

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Planktos had announced that it would dump tons of iron dust in the ocean to spark the growth of phytoplankton, and then sell credits based on how much carbon the phytoplankton consumed.

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He argued that the sea gets it iron from dust swept into the sea from the land, and that wind currents weren't carrying iron to HNLC areas.

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