They found that the layer of wax is composed of tiny structures that work by scattering (散射) blue and UV light from the sun, while absorbing most of other colors of light.(在这项研究中,米德尔顿和他的团队用电子显微镜检查了蓝莓的蜡。他们发现,这层蜡是由微小的结构组成的,这些结构通过散射...
the best way to protect your eyes.So wear a pair of sunglasses when you're out in the sun. You should care for your eyes by(2) wearing(wear) glasses when watching sports.It's easy to(3) hit/hɪt/ your unprotected(未受保护的) eyes.And don't get close to fireworks(烟火) ...
"Blue light is what makes the sky blue on a sunny day and what gives your smartphone screen its bright and clear background, " says Susan Massick, an expert at The Ohio State University Wexner Medical Center.Given that overexposure to UV light (紫外线) causes serious damage like skin ...
UV features, how to better use of its service of humanity, the world put a lot of manpower, material resources. Natural ultraviolet from the sun, study of artificial UV light source is the industry's biggest task, the DUV led its unique advantages for the industry recognized. In order to...
Blue-violet light, from 400 to 455 nm is stated as the ""potentially harmful range"" by ISO TR 20772:2018 (p14). Beyond visible blue light are ultraviolet (UV) rays, which cannot be seen by the eye, and have even shorter wavelengths and higher energy than blue light. Foster Grant®...
SEE RELATED:UV Light How can I tell if my sunglasses have UV protection? Unfortunately, it’s not easy to tell if your sunglasses have UV-protection lenses just by looking at them. Nor can you distinguish the amount of protection based on the lens color, as lens tints have nothing to do...
C. Snow and ice make people suffer much more from UV light damage.D. People outdoors needn't worry about getting sunburned on a cold day.(2)Which is the most vital factor as for sun damage? AA. Your skin color.B. The clothes you wear.C. The altitude of your...
Sunlight is electromagnetic radiation, or energy, that is emitted by the Sun. It consists of visible, infrared, and ultraviolet light. Properties of Light All light, regardless of its source, behaves in a similar way. It has both wave-like and particle-like properties, which means that it ...
太阳是非常big.It,为我们提供了非常四通light.The月亮看起来相当明亮,但它不发出任何光线,在月球的all.The光来自太阳。 翻译结果2复制译文编辑译文朗读译文返回顶部 太阳是非常big.It,为我们提供了非常四通light.The月亮看起来相当明亮,但它不发出任何光线,在月球的all.The光来自太阳。
Ultraviolet, or UV, rays are electromagnetic radiation from the sun. While you can’t see it,UV radiationpenetrates Earth’s atmosphere and reaches your skin and eyes in the form of UVA and UVB waves. Protection from UV light is important because without it you’re at risk of developing ca...