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

彗星释放的气体分被太阳的紫外线离。

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

当宇宙还处于离状态时，在重组之前，它是不透明的。

Ionizing radiation tears the cellular structure apart.

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.

随着初代恒星发出的辐射越来越大，离的氢原再次被分解为质和。

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，氢被完全离，这意味着原中的被从质边剥离出来。

This might happen when too much ionized calcium is excreted.

当过多的钙离被排出体外时，可能会发生这种。

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

这种离辐射有足够的能量把从原中剥离出来。

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

这种保护使太阳风和其他离辐射远离地球表面。

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

所有的核辐射都是离，然而磁辐射只有最高能量的才是。

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

这些沙粒大小的微粒发出的离辐射，能够使分和原离。

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

低水平的离钙会影响多种细胞过程，特别是神经元的活动。

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，要么得到一个，从而得到一个荷。

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

如果你在其表面上，你将会是一个被蒸发和离的污迹。

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的、长度约为300光年的巨大等离云。

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.

我们吃得挺不错的，因为你得力充沛地跟离辐射奋战。

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以上的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离。

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

科学家们区别离辐射暴露的一个方法是一种叫西韦特的单位。

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

当最早的恒星和星系启动时，它们将氢离。