A black light can emit a person's invisible ultraviolet rays, and agricultural pests have a great.
而由这几颗恒星发出的紫外线在星云中挖出了一个空洞,还干扰了其它数百颗较小恒星的生长。
Ultraviolet light emitted by these stars is creating a cavity in the nebula and disrupting the growth of hundreds of smaller stars.
身体从太阳的紫外线中产生维生素D,所以它被称为阳光维生素.
The body makes vitamin D from the sun's ultraviolet rays, so it's known as the sunshine vitamin.
但过多的紫外线会导致疼痛的晒伤,更糟糕的是会导致皮肤癌。
But too much ultraviolet light can cause painful sunburn, and even worse, it can lead to skin cancer.
贫瘠的土壤和由于太阳辐射而造成的紫外线的极端污染,在埃德尔维斯的环境中引发了所谓的“环境压力”。
The nutrient-poor soils and the extreme pollution of UV due to the solar radiation provoke a so called“environmental stress” within the edelweiss.
需要有足够的紫外线来触发生命的形成,但不是太多,它会侵蚀和消除地球的大气。
There needs to be enough ultraviolet light to trigger the formation of life, but not so much that it erodes and removes the planet's atmosphere.”.
夏天过量的紫外线直射双眼,可引起角膜水肿,出现流泪、疼痛等症状从而影响视力。
Excessive ultraviolet radiation in the summer, can cause corneal edema, tears, pain and other symptoms, thus affecting the vision.
可经常把衣服、被褥放到阳光下进行曝晒,因为阳光里的紫外线有很好的杀菌作用。
銆€銆€The clothes can be often exposed to the sun for exposure, because the ultraviolet rays in the sunlight have a good bactericidal effect.
好在《蒙特利尔议定书》的实施使造成晒伤的紫外线辐射类型没有大幅增强。
Implementation of the Montreal Protocol, however, had meant that large increases in the type of UV radiation that caused sunburn had been avoided.
当发生这种情况时,来自太阳的更多紫外线使其到达表面,增加了皮肤癌等不良事物的风险。
When that happens, more ultraviolet light from the sun makes it to the surface, increasing the risk of bad things like skin cancer.
特别是作为太阳发出更多的紫外线,它与在上层大气水分子相互作用,并分开打破它们。
In particular, as the Sun emits more ultraviolet radiation, it interacts with water molecules in the upper atmosphere and breaks them apart.
大多数人都知道阳光中含有可见光,也有能晒黑或灼伤皮肤的不可见的紫外线。
Most people are aware that sunlight contains visible light rays and also invisible ultraviolet rays that can tan or burn the skin.
购买太阳镜时,请确保它们阻挡至少98%的紫外线辐射。
When buying a pair of glasses, make sure the reflecting at least 98% of UV radiation.
当发生这种情况时,来自太阳的更多紫外线使其到达表面,增加了皮肤癌等不良事物的风险。
When that happens, more ultraviolet light from the sun rises to the surface, increasing the risk of bad things such as skin cancer.
另外,医生提醒,患者还应该注意防晒,过多的紫外线会严重影响皮肤内黑色素细胞的合成。
In addition, patients should also pay attention to sun, too much ultraviolet radiation will seriously affect the synthesis of melanin cells in the skin.
过去的40年里,太阳一直是敌人:医学证据警告我们应远离会造成皮肤癌的紫外线。
Over the past 40 years the sun has been the enemy: the medical establishment has warned us off the ultraviolet rays that contribute to skin cancer.
购买太阳镜时,请确保它们阻挡至少98%的紫外线辐射。
When buying sunglasses, make sure that they block at least 98% of UV radiation.
需要有足够的紫外线来触发生命的形成,但并不是因为它会侵蚀并消除地球的大气层。
There needs to be enough ultraviolet light to trigger the formation of life, but not so much that it erodes and removes the planet's atmosphere.".
它的结构经常被认为有助于阻止太阳有害的紫外线伤害人类皮肤。
Its structure is often thought to help block the sun's harmful ultraviolet rays from damaging human skin.
计算机控制的飞机未开发颜料喷到你的皮肤,然后一个小时的紫外线照射呈现所有的颜色清晰可见。
Computer-controlled jets sprayed the undeveloped pigments onto your skin, then an hour of UV exposure rendered all the colours visible.
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