Gas molecules emitted by the comet get ionized by the Sun's ultraviolet light.

彗星释放气体分被太阳紫外线电离。

When the Universe was still ionized, prior to recombination, it was opaque.

当宇宙还处于电离状态时，在重组之前，它是不。

Ionizing radiation tears the cellular structure apart.

电离辐射会破坏细胞结构。

The growing radiation from those first stars ionized hydrogen atoms, split them back into protons and electrons.

随着初代恒星发出辐射越来越大，电离氢原再次被分解为质和电。

Under those conditions, hydrogen is completely ionized, which means the electrons in the atoms are stripped from their protons.

在这种条件下，氢被完全电离，这意味着原中电被从质边剥离出来。

This might happen when too much ionized calcium is excreted.

当过多钙离被排出体外时，可能会发生这种情况。

This ionizing radiation has enough energy to rip electrons from atoms.

这种电离辐射有足够能量把电从原中剥离出来。

That protection keeps Solar wind and other ionizing radiation off of the surface.

这种保护使太阳风和其他电离辐射远离面。

All nuclear radiation is ionizing, while only the highest energy electromagnetic radiation is.

所有核辐射都是电离，然而电磁辐射只有最高能量才是。

These sand-sized particles emit ionizing radiation, capable of separating electrons from molecules and atoms.

这些沙粒大小微粒发出离辐射，能够使分和原电离。

Low levels of ionized calcium affect a variety of cellular processes, in particular, electrically active neurons.

低水平离钙会影响多种细胞过程，特别是神经元电活动。

And all those atoms are ionized: they either lose an electron or gain one to give them a charge.

它们要么失去一个电，要么得到一个电，从而得到一个电荷。

If you were on the surface, you'd be a vaporized and ionized smear.

如果你在其面上，你将会是一个被蒸发和电离污迹。

The researchers spotted a huge cloud of plasma, some 300 light-years long, containing highly ionized atoms.

研究人员发现了包含了高离态原、长度约为300光年巨大等离云。

There are also other environmental risk factors like ionizing radiation, like from chest X-rays and CT scans.

还有一些环境因素如胸部X线或CT扫描等电离辐射，也是高危因素。

We ate really well there, because you need to keep your strength up to fight the ionizing radiation.

我们吃得挺不错，因为你得精力充沛跟离辐射奋战。

If you paid attention, you learned how pure water ionizes to form hydronium and hydroxide ions in reversible reactions.

也会出现0以下或是14以上时候但那只会出现在一些极端条件下。

So the universe went from neutral to ionized.

所以宇宙从中性变为电离。

One way scientists compare ionizing radiation exposure is a unit called the sievert.

科学家们区别电离辐射暴露一个方法是一种叫西韦特单位。

And when the very first stars and galaxies switched on, they ionized that hydrogen.

当最早恒星和星系启动时，它们将氢电离。