A second explosion happened when hydrogen was formed by hot water steam contacting zirconium.

当过热的水蒸汽接触锆形成氢气时，发生了二次爆炸。

To refuel the car is a very similar experience to a petrol car.

加氢气和加油的原理是一样的。

The former uses coal, oxygen and steam to produce burnable hydrogen.

以前用煤、氧气和蒸汽生产可燃氢气。

Luke? Sweetie, that means stay out of everyone's way and stop inhaling the balloons.

卢克小可爱，别挡路，也别吸氢气。

But colonists could use electricity to split the h2o into hydrogen and oxygen.

但是殖民者可以将水电解成氢气及氧气。

It's just a giant ball of hydrogen and helium gas.

它只是一个巨大的氢气和氦气的球。

We can start with electrolysis, which uses electricity to split water into hydrogen and oxygen.

我们可以从电解开始，用电把水分解成氢气和氧气。

Maybe even using fuel cells, such as hydrogen.

甚至可能会用燃料电池，比氢气。

And for racing, hydrogen's already atomic NO.1, y'all.

而且就移动速度来说，氢气已经是原子界的第一名了！

For example, a simple molecule like hydrogen gas absorbs these bands.

，像氢气这样的简单分子会吸收这些波长的光。

So the only thing that'll flow in a cold hydrogen atmosphere is hot hydrogen.

所以唯一的情况是在寒冷的氢大气层里用热的氢气漂流。

But a mixture of carbon monoxide and hydrogen is a familiar one to industrial chemists.

但是工业化学家对一氧化碳和氢气的混合物并不陌生。

We use hydrogen gas as the source of electrons.

我们用氢气作为电子的来源。

Mars is too dry and poor in oxygen, Venus far too hot, and so is Mercury, and the outer planets have temperatures near absolute zero and hydrogen-dominated atmospheres.

火星太干燥又缺氧，金星太热，水星也一样。除此之外，太阳系的其他行星的温度都接近绝对零度，并围绕着以氢气为主的大气层。

These periods are times when wind turbines are powered by hydrogen gas.

氢气曾用来为风力涡轮机提供动能。

It just slowly fuses hydrogen into helium, glowing feebly.

它只是慢慢地把氢气融合成氦气，微弱地发光。

So it’s roughly 90% hydrogen, it’s maybe 8% helium, and the rest of it’s made up of things like iron, carbon, oxygen, nickel.

大概有90%的氢气，8%的氦气，其余的成分有铁、碳、氧和镍。

During the collision, vast clouds of hydrogen would become compressed, and rapidly create new stars.

在碰撞中，巨大的氢气云会被压缩迅速形成新的恒星。

And that classical nova is what happened in 1437 to this star.

而朝鲜发现的那颗新星就是1437年矮新星上发生的氢气爆炸。”

As more hydrogen is squeezed into the clumps the temperature rises.

团块聚集的氢气越多，温度就越高。