The sun's ultraviolet rays are responsible for both tanning and burning.
太阳的紫外线是皮肤晒黑和晒伤的原因。
Heat, too, makes our environments tolerable and some ultraviolet rays penetrate the atmosphere.
热也使我们的环境变得适宜生存，而且一些紫外线会穿透大气层。
Many types of radiation, especially ultraviolet rays from the Sun, can damage skin cells and cause cancer.
许多类型的辐射都会损害皮肤细胞并导致癌症，尤其是来自太阳紫外线的辐射。
The ozone layer shields the earth from the sun's ultraviolet rays.
臭氧层保护地球不受太阳紫外线的辐射。
For example, sunglasses are not just for fashion but they can also serve as a great way to protect your eyesight from ultraviolet rays.
例如，太阳镜不仅仅是为了时尚，也是保护视力免受紫外线伤害的好方法。
Tout Va Bien in ultraviolet rays that make the clients of the Dupont chain cafés look like gangrened cadavers.
用紫外线打出的“皆大欢喜”，在它的照射下光顾一连串杜邦咖啡店的顾客显得像生了坏疽的尸首。
We do know that it was developed by emitting ultraviolet rays at CPS in a carbon hydrogen solvent in order to polymerize part of the CPS to make a polysilane.
我们现在所知道的是，这种液态硅化物是在碳氢溶剂的环境下进行紫外辐照，从而使得这种液态硅化物的片段聚合为一个聚硅烷的形态。
One reason for the rise in sunburn could be the hole in the ozone layer - the protective layer that shields the Earth from the sun's harmful ultraviolet rays.
晒伤增多的一个原因可能是臭氧层空洞，而臭氧层是保护地球不受太阳紫外线危害的保护层。
Both sets of test animals were exposed to levels of ultraviolet rays that an average Australian receives.
这两组实验动物都是暴露于高于澳大利亚平均紫外线水平的紫外线下。
Researchers believe that these growths are caused in part by long-term exposure to the ultraviolet rays contained in sunlight.
研究者们认为，造成这种增生的一部分原因是长期地暴露于阳光中的紫外线下。
It takes more than sunscreen to keep the sun's ultraviolet rays from harming your skin.
防止太阳光中紫外线对皮肤的伤害，除了防晒霜，还有其他保护方法。
For instance, plastics have a known weakness to ultraviolet rays from the sun, and so long exposure might represent an issue.
例如，塑料有一个缺陷，不能长期暴露于太阳紫外线的照射中。
Calculations suggest, for instance, that in the nucleus of the isotope thorium-229 is a transition that should emit ultraviolet rays.
举例来说，计算表明，钍- 229的原子核内存在着能发出紫外线的转变过程。
One is black carbon and the other is ozone, which is vital for blocking ultraviolet rays in the stratosphere but hazardous in the bits of the atmosphere where plants live and people have to breathe.
其一是黑碳，另一样是臭氧，后者对阻止平流层的紫外线起着至关重要的作用，但对大气中的植物和人类有害。
After that is the transition region a few hundred to a few thousand miles or kilometers thick, which is heated by the corona above it and sheds most of its light as ultraviolet rays.
在这之外是厚度为几百到几千公里的过渡区，它由在其上的日冕加热，并发射大部分光和紫外线。
As Lesley Alderman reports in this week's Patient Money column, snow reflects nearly 80 percent of the sun's rays. That means more harmful ultraviolet rays are directed into your eyes.
正如雷斯利·奥尔德曼(LesleyAlderman)在本周“长期的财富”专栏所说，近80%的阳光被雪地反射，意味着更多紫外线直接损害我们的眼睛。
Harmful ultraviolet rays cause 90 percent of skin damage [source: Poirot].
紫外线极具杀伤力，足以引起皮肤90%的损坏【Poirot研究中心】。
You might also opt for special sun-protective clothing, which is specifically designed to block ultraviolet rays while keeping you cool and comfortable.
或许你更喜欢防紫外线的衣物，这些是被专门设计的，能阻挡紫外线并且让你会穿起来更凉爽和舒适。
The ozone layer protects life on Earth from harmful ultraviolet rays.
臭氧层可以保护地球上的生物免受有害紫外线的辐射。
The boys could not be exposed to any ultraviolet rays, or they ran the risk of almost certain skin cancer.
两个孩子不能照射任何的紫外线光，否则他们极容易患上皮肤癌。
They can protect your eyes from ultraviolet rays.
它们可以保护你的眼睛不受紫外线的伤害啊。
Other areas of concern are transparent sunscreens that block all ultraviolet rays just as efficiently as any zinc paste.
其它要注意的还有透明的遮光剂，它可以阻挡所有紫外线，功效同zinc paste一样。
SYDNEY (AFP) - Climate change will increase the risk of people losing their sight through cataracts because of higher levels of ultraviolet rays, an expert said Monday.
悉尼(法新社)气候变化导致的更高水平的紫外线可增加白内障患者失明的风险，一位专家周一说。
Because ultraviolet rays also trigger the synthesis of vitamin D in the skin, sunlight is an important source of the vitamin.
由于紫外线也可以触发皮肤中维生素d的合成，因此日晒是维生素d的一个重要来源。
Perforated 100% recyclable non - mercuric corten steel plates absorb most of the ultraviolet rays and decrease the energy load for cooling.
100%循环多孔无汞耐用钢板吸收大部分紫外线，降低能量荷载以达到内部降温的目的。
June: yes, these sunglasses will protect your eyes from the sun's harmful ultraviolet rays.
朱恩：是的，这太阳镜会保护你的眼睛免受太阳的有害紫外线。
Objective To know the germicidal efficacy of tableware disinfector with ozone, ultraviolet rays and heat as the germicidal factors.
目的了解以臭氧、紫外线和热力为杀菌因子的食具消毒柜杀菌效果。
When bombarded with ultraviolet rays from the sun, the lettuce leaf creates UV-absorbing polyphenolic compounds in its outer layer of cells.
当来自太阳的紫外线轰击到莴笋时，莴笋叶子就会在外层细胞创造吸收紫外线的多酚类物质。
The sun's ultraviolet rays can also stimulate the bone marrow produce red blood cells, improve blood function, in order to prevent anemia.
阳光中的紫外线还可以刺激骨髓制造红血球，提高造血功能，从而防止贫血。
The sun's ultraviolet rays can also stimulate the bone marrow produce red blood cells, improve blood function, in order to prevent anemia.
阳光中的紫外线还可以刺激骨髓制造红血球，提高造血功能，从而防止贫血。
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