This is the ultraviolet band of the rainbow.

这是彩虹的紫外带。

The atmosphere is so thin, there is very little protection from ultraviolet radiation.

由于大气稀法阻挡紫外线的辐射。

The ultraviolet rays and the heat from the sun act together on the water.

太阳的紫外线和热量共同对水产生影响。

It is disinfecting using a form of ultraviolet light called UVC.

它使用一种叫做UVC的紫外线进行消毒。

However, that comes with the need to protect ourselves against those UV rays.

然而，这是为了保护自己免受紫外线的伤害。

And some materials are better at blocking UV than others.

有些材料的防紫外线性更好。

Both of these ingredients are used to help protect people from the sun's ultraviolet rays.

这两种成分被用来帮助保护人免受太阳紫外线的灼伤。

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

彗星释放的气体分子被太阳的紫外线电离。

The researchers assumed an eight-minute UV exposure each time.

研究人员假设每次美甲进行8分钟的紫外光照射。

We have an -- The robot uses waves of ultraviolet light called UVC.

有——这种机器人，使用的是叫做UVC的紫外线波。

Higher-wattage lamps emitted higher levels of harmful UV.

高功率的灯发射出高水平的有害紫外光。

The type and amount of melanin in your skin determines whether you'll be more or less protected from the sun.

那么的祖先是如何应对大量的紫外线照射的呢？

It protects every living thing by absorbing two types of ultraviolet radiation from the Sun.

它通过吸收太阳的两种紫外线辐射来保护每一个生物。

Cells sensitive mainly to green light and cells sensitive mainly to ultraviolet light.

主要对绿光敏感的细胞，主要对紫外线敏感的细胞。

All forms of UV light are known to be harmful to the skin and to the eyes.

众所周知，所有形式的紫外线都对皮肤和眼睛有害。

The reindeer is also one of the only mammals on the planet that can see ultraviolet light.

驯鹿还是为数不多的看到紫外线的哺乳动物之一。

High in the stratosphere, a thin layer of ozone shields us from the sun's deadly ultraviolet rays.

在平流层的高处，的一层臭氧保护免受太阳致命的紫外线。

If ozone disappears, then ultraviolet from the sun in all 3 forms will enter the atmosphere.

如果臭氧层消失了，来自太阳的所有三种形式的紫外线将进入大气层。

This divergence, known as the ultraviolet catastrophe, hinted at a deep-seated flaw in classical physics.

这种被称为紫外线灾难的分歧暗示了经典物理学中的一个根深蒂固的缺陷。

And to break it down even further looking at specifically UVA light, which is what ages our skin.

为了进一步分析，特别是要看看会使的皮肤老化的紫外线。