On March 15th a fire started in the building housing reactor 4, possibly as a result of further hydrogen leaks.

在3月15日，容纳4号反应堆的厂房出现了火灾，很可能导致进一步的氢气泄漏。

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Like deuterium, it is rare relative to helium-4, but, unlike hydrogen, helium doesn't form chemical compounds as abundant as water.

象氘一样，相对于氦- 4它是非常罕见的，但是不同于氢，氦不是来自化学混合物象水那样丰富。

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If we want to talk about two hydrogen atoms, then we just need to double that, so that's going to be negative 2 6 2 4 kilojoules per mole that we're talking about in terms of a single hydrogen atom.

而要讨论两个氢原子，我们只需要把它乘以二，因此应该是负的，2624，千焦每摩尔，这就是单个的氢原子的情况。

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Dr. Sen Kim claims to have achieved the separation of Hydrogen using just 0.1kwh of energy compared to the traditional 4 - 4.5kwh required using the ol' electrolytic method.

ENGADGET: Korean tech makes hydrogen up to 30 times cheaper to produce -- clean energy solved?

California regulators voted to mandate major automakers substantially increase the numbers of electric, plug-in hybrid and hydrogen fuel cell-powered models in their fleets in the coming years, eventually accounting for 15.4 percent of all vehicles sold in the state by 2025.

FORBES: California Orders Automakers To Sell More Plug-In and Fuel-Cell Cars