Ultraviolet A, UVA, can travel more deeply into the skin, but both UVA and UVB rays can burn skin.
紫外线A，也就是长波紫外线，穿透皮肤更深，不过紫外线A和B都能晒伤皮肤。
Objective To investigate the preventive effect of quercetin on DNA damage in human epidermoid carcinoma cells induced by ultraviolet a (UVA).
目的观察长波紫外线引起人表皮癌细胞DNA链断裂损伤的情况，以及槲皮素对这种损伤的预防作用。
Narrow-band ultraviolet B (UVB) has better overall repigmentation rates and safety profile than either topical or oral psoralens and ultraviolet A (PUVA).
比起局部用补骨脂素或口服后再照UVA，窄谱紫外线有较好的恢复色素的效果和安全性。
This product USES the latest scientific formula, a long continuous sunscreen sunscreen, ultraviolet a wave of strong segregation, B wave, avoid UV damage, improving dry skin, tan, red, oxidation.
本品采用最新科学配方，长时间防晒持续防晒，强力隔离紫外线A波、B波，避免紫外线伤害，改善肌肤干燥，晒黑，发红，氧化现象。
Fluorescent lights use electricity to excite mercury vapor. This produces ultraviolet light that causes a phosphor coating inside the bulb to glow.
荧光灯用电激发水银蒸气。这会生成紫外线光而使得镀在灯管内壁上的磷涂层发光.
First, we tried to make the Archimedes'words stand out with a variety of technologies, using ultraviolet light．
首先，我们尝试用各种各样的技术，例如利用紫外线清晰地展示阿基米德的文字。
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。
At the German Physical Society, Max Planck presented a resolution to the Ultraviolet Catastrophe.
马克斯·普朗克向德国物理学会提交了针对紫外灾难的解决方案。
A dab of hydrogen peroxide and a flash of ultraviolet light serve as the final sterilizing gatekeepers before the water reenters potable supplies.
在这些水重新进入安全饮用的供水系统之前，作为最后的消毒系统是一小点过氧化氢和闪现紫外光线。
If you get some of these in the upper atmosphere, a photon, an ultraviolet photon, has the energy capable of breaking this bond.
如果你把它放到大气层上，一个光子，一个紫外光光子，有能量可以破坏它的化学键。
In this view the aurora appears blue because of the ultraviolet camera, but a Saturn-based observer would see red light flashes.
根据以此种观点，由于紫外线相机，极光看上去是蓝颜色的，但土星上的观察者看到的可能是红色的闪烁。
Hubble was originally designed to observe in the visible and ultraviolet parts of the spectrum, but a 1997 mission added an infrared observing capability.
哈勃望远镜的最初设计是只能观察光谱中的可见光和紫外线部分，后来在1997年增加了红外观测能力。
If a gene is active, the RNA in the sample binds to the complementary gene fragment on the slide, and can be detected under ultraviolet light as a coloured dot.
如果基因是激活的，样本中的RNA就会与相应的基因片段结合在一起，再利用紫外光观察，那些激活的基因就成为一个个被染色的斑点。
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。
If you have chronic stress, and you're exposed to a carcinogen such as ultraviolet light, you are more susceptible "to cancer."
如果你存在慢性压力，同时暴露于诸如紫外线之类的致癌物下，那么你将更易罹患癌症。
A likely candidate is rising ultraviolet radiation as a result of either ozone depletion, or a change in the level of cloud cover.
一个可能的原因是臭氧耗竭或云层高度改变引起紫外线辐射增强。
Though invisible in normal light once it has hardened, this adhesive glows yellow when illuminated by a beam of ultraviolet of the sort often used in discotheques.
虽然粘着剂在普通光照下看不见，但一旦变硬便可以在紫外线光束的照射下变成黄色。
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。
On its own, titania works best as a catalyst for this reaction in ultraviolet light.
格兰姆斯说，二氧化钛本身在紫外线下就是催化这个反应的良催化剂。
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。
When exposed to ultraviolet light, azobenzene molecules rearrange themselves internally, a process called isomerisation.
当接触紫外线时，偶氮苯分子便会在内部重新组合，即所谓的异构体过程。
The upshot is that you can write on Dr Grzybowski’s paper (using a pen that emits ultraviolet light) or print on it (using a patterned mask through which such light is shone).
结果便是你能在Grzybowski博士的纸上使用放射紫外线的笔书写或是用放射紫外线的磨具印刷。
With SDO watching the sun in a wavelength of extreme ultraviolet light, the dark moon created a partial eclipse of the sun.
据太阳动力学观测台当时的监测显示，在太阳强烈的紫外线的波长影响下，漆黑的月亮遮挡了部分强光，从而出现了日偏食。
He said there is no safe way to operate such a spa, and some infections are resistant to ultraviolet light.
他说，没有安全的方式来经营这样一个水疗中心，并且一些传染病是耐紫外线的。
Simpson said the water, treated by a filtration system and ultraviolet light, softened clients' skin.
辛普森说，通过一个过滤系统和紫外线处理的水软化顾客的皮肤。
Increased exposure to ultraviolet light is a risk factor.
过多地暴露于紫外线是一个危险因素。
In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing green-a hallmark of the antibiotic tetracycline.
1980年，一位科学家在紫外线显微镜下观察了骨头碎片，注意到骨头发出绿光——这是含有抗菌四环素的特征。
She and four other beagles all produce a fluorescent protein that glows red under ultraviolet light.
她和其他四只猎兔犬都能制造一种可以在紫外线照射下发红光的荧光蛋白质。
The StoppaRed, devised by Matthew Wilkinson of Nottingham, England, and developed in the U.S. by Mace, sprays aggressors with a sticky and ultraviolet red-marker gel from a pressurized container.
由英国诺丁汉马太·威尔金斯发明、美国梅斯继续开发的“斯托帕·雷得”喷雾，是一种装在密封容器中的、有粘性的、可在紫外光下发光的红色染色凝胶。
The StoppaRed, devised by Matthew Wilkinson of Nottingham, England, and developed in the U.S. by Mace, sprays aggressors with a sticky and ultraviolet red-marker gel from a pressurized container.
由英国诺丁汉马太·威尔金斯发明、美国梅斯继续开发的“斯托帕·雷得”喷雾，是一种装在密封容器中的、有粘性的、可在紫外光下发光的红色染色凝胶。
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