Sun Ultraviolet radiation

Quality sunglasses protect the human eyes from being destroyed by the sun 's ultraviolet radiation .

质量合格的太阳镜保护人类的眼睛免收太阳紫外辐射的伤害。

In these ozone-depleted times , most of us reach for a T-shirt or a bottle of sunscreen to protect us from the sun 's ultraviolet radiation .

在这个损耗臭氧的时代，我们多数人可以拿一件T恤衫或一瓶防晒油来保护自己不受太阳紫外线的伤害。

The ozone layer blocks much of the sun 's dangerous ultraviolet radiation .

臭氧屋阻挡了阳光中大量有害的紫外线辐射。

Because less then 5 % of the sun spectrum is ultraviolet radiation and 43 % is visible light .

而太阳光谱中紫外光区占不到5%，可见光区则占43%。

Ozone in the stratosphere is important because it absorbs some of the Sun 's dangerous ultraviolet radiation .

平流层的臭氧非常，它可以吸收一有害的太阳紫外线辐射。

During these spotless phases of the sun , extreme ultraviolet radiation drops , resulting in lower aerodynamic drag as the Earth 's atmosphere cools and contracts .

在太阳黑子消失的时期，极紫外辐射下降，地球大气层冷却收缩，导致气动阻力变小。

Researchers from the University of Maryland School of Medicine , USA , showed that caffeine , including that found in coffee , can help lower the oxidative stress that results from the sun 's harmful ultraviolet radiation , which is one of the main risk factors for cataracts .

来自美国马里兰大学医学院的研究人员发现，咖啡因，包括咖啡中发现的咖啡因，可以帮助降低来自太阳紫外线辐射造成的恶性氧化应激反应--这是白内障的主要风险因素之一。

Monascus pigment fades in sun light , and ultraviolet radiation ( UV ) is main reason causing photobleaching of organic compound .

红曲色素在自然光的作用下会逐渐褪色，紫外线是自然光中引起有机物褪色的主要光线。