来自印度的青少年Tenith Adithyaa利用紫外线使这些叶子保持新鲜一年。
Tenith Adithyaa, a teenager from India, used UV to make the leaves stay fresh for a year.
其他行星上没有氧气,这意味着这些行星缺乏保护生命体免受紫外线辐射的臭氧层。
The absence of oxygen on other planets means that those planets lack an ozone shield to protect life forms against UV radiation.
在火星和我们太阳系的其他行星上没有氧气,这意味着这些行星也缺乏保护地表生物免受紫外线辐射的臭氧层。
The absence of an oxygen atmosphere on Mars and other planets in our solar system means that these planets also lack an ozone shield that would protect surface-dwelling life from UV radiation.
孩子们应该佩戴可以滤除紫外线的眼镜。
复杂的生命在地球表面进化,而不是在火星或太阳系的其他行星上,因为在那些行星上,早期的地表生命被紫外线杀死了。
Complex life evolved on the Earth's surface, but not on Mars or other planets in the solar system because on those planets, early surface life was killed by UV radiation.
表面的一种特殊材料接收来自太阳的紫外线。
A special material on the surface receives UV light from the sun.
紫外光谱与芳香族对苯二酚离子的光谱最相似。
The UV spectrum most resembled that of the aromatic tropylium ion.
它们对 C 类紫外光中也有很强的吸收能力,这表明它们最初可能是天线色素。
They also absorb strongly in the UV-C, suggests that they might have originally acted as antenna pigments.
考察了纳米二氧化硅掺杂的紫外光固化涂料的性能。
The properties of nanosilica modified UV-coatings were investigated.
利用紫外灯显然更快,更容易也更精准。
科学家们建议设立屏障遮挡紫外线和阳光来保护这些名画。
Scientists suggest shielding the affected paintings as much as possible from UV and sunlight.
还有证据表明,紫外线辐射可降低免疫系统的有效性。
There is also evidence that UV radiation reduces the effectiveness of the immune system.
儿童和青少年特别容易受到紫外线辐射的有害影响。
Children and adolescents are particularly vulnerable to the harmful effects of UV radiation.
过度暴露于紫外线(UV)辐射下,如阳光,晒黑机,或日光灯。
Overexposure to ultraviolet ( UV) radiation, such as from sunlight, tanning booths, or sunlamps.
50%至90%的皮肤癌是由紫外线辐射造成的。
Between 50% and 90% of skin cancers are due to UV radiation.
纬度:越接近赤道,紫外线辐射水平就越高。
Latitude: the closer to the equator, the higher the UV radiation levels.
但是,可千万别放个紫外线灯在保育室。
过度暴露于紫外线辐射可导致多种皮肤慢性病变。
Excessive UV exposure results in a number of chronic skin changes.
紫外线处理也能为我们提供安全的液体鸡蛋产品吗?
慢性紫外线辐射的影响包括。
云量:在晴朗无云的天空,紫外线辐射水平最高。但是,即使有云层,紫外线辐射水平也可以很高。
Cloud cover: UV radiation levels are highest under cloudless skies but even with cloud cover, they can be high.
他们的发现是,驯鹿确实可以看到紫外线。
该微紫外装置能够漂浮而且小到可以在玻璃杯中使用。
This micro-UV device floats and is small enough to use in a glass.
暴露在紫外光下会使你的细胞突变,引起癌症。
太阳所发出的紫外光是不统一的,所以由于太阳的自转地球所吸收的紫外光的数量也就不同。
The sun's emissions of UV light are not uniform, so as it rotates UV-bright regions move in and out of view of Earth.
臭氧:臭氧吸收一些太阳紫外线辐射。
黑色素可以帮助身体过滤紫外线,但它也有害处。
Melanin helps the body filter out UV radiation, but it also can be harmful.
研究表明某些轻质衣服不具备足够的防紫外线功能。
Studies have shown that some lightweight fabrics do not provide enough UV protection.
然而,紫外线也会伤害皮肤并导致癌症,日晒床释放出比太阳多三倍的紫外线,这使它们可能很危险性并且使人上瘾。
However, UV rays also damage the skin and cause cancer, and tanning beds give off three times more UV than the sun, making them both potentially dangerous and addictive.
紫外线照射下,干净的沙子呈紫色或黑色。
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