We want to know, what makes DNA resist damage by UV light?

我们想要了解什么使DNA抵抗紫外光的破坏？

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Ethanol solution can emit visible fluorescence when induced by UV light.

乙醇溶液在紫外光照射下可以发射荧光。

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A photochromic polyester paint has been developed, which can change the color by UV light.

制备了一种能用太阳光(或紫外光)控制色彩变换的涂料。

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We know that UV light gets absorbed by glass, so it shouldn't be able to go through the glass.

我们知道紫外光会被玻璃吸收，所以它无法通过玻璃。

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So that means we're going to need to figure out what is the energy per photon that's emitted by that UV light.

所以那意味着我们将需要,计算出从紫外光源发射出的,每个光子的能量。

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There are about 70, 000 new cases of skin cancer diagnosed in the UK each year, many of which could be prevented by avoiding overexposure to UV light.

BBC: High UK temperatures mean people should take more care