Truly safe, secure nuclear power requires plants that simply cannot melt down, and that means going smaller rather than bigger.

真正安全、有保证的核电要求电站最基本的就是不能溶毁，这意味着核电站应该变得更小而不是更大。

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The theories cannot explain how these contents melt and lose their character to become something of a different character.

理论不能解释这些内容如何融化和失去其性质，成为了一种不同的特点。

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Testing has shown silane can burn with a flame that cannot ignite paper or with an intensity that will melt metals like brass and aluminum.

试验显示，硅烷燃烧的火焰或者不能点燃纸张，或者其强度可以熔化象黄铜和铝一样的金属。

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The fuel cannot melt down in a thorium reactor because it is already molten, and reactions slow down as it cools.

WSJ: After Japan's Earthquake and Fukushima Disaster, Matt Ridley on Gas-Fired Generation and Thorium | Mind & Matter

Officials said they could not rule out the possibility of a meltdown, which occurs when nuclear fuel rods cannot be cooled and melt the steel and concrete structure containing them, at all three troubled reactors at the plant.

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