WFC3的光谱范围从紫外线到近红外线,揭示了恒星不同的演化阶段,这使天文学家得以剖析星系的恒星形成历史。
WFC3's broad wavelength range, from ultraviolet to near-infrared, reveals starsat different stages of evolution, allowing astronomers to dissect the galaxy'sstar-formation history.
这些动物早已拥有四色觉,但关键的区别是,他们的第四种颜色位于高频的紫外线区域,在人类可视范围之外。
Those creatures have long had four-color vision, but a key difference is that their fourth type of color detector is in the high-frequency ultraviolet range, beyond where humans can see.
波长范围从紫外线通过可见光到近红外光。
Wavelengths range from ultraviolet light through visible light to near-infrared light.
描述了有关专业术语,紫外线吸收和屏蔽剂的性能、应用范围、安全性问题、在法规上的禁忌和配方使用,展望了防晒剂未来的发展趋势。
Some professional terms, the function, usage, safety concerns, legal prohibition, formulation tips are described. Meanwhile, the future trends of UV absorbers and blocks are also included.
紫外线稳定剂:虽然大量的太阳高能辐射已被大气层所吸收,然而一些在280-400nm范围内的射线(紫外线)仍能达到地球表面。
Ultraviolet Stabilizers: While much of the sun's high-energy radiation is absorbed by the atmosphere, some radiation in the 280 to 400 nm (ultraviolet) range reaches the earth's surface.
紫外线稳定剂:虽然大量的太阳高能辐射已被大气层所吸收,然而一些在280-400nm范围内的射线(紫外线)仍能达到地球表面。
Ultraviolet Stabilizers: While much of the sun's high-energy radiation is absorbed by the atmosphere, some radiation in the 280 to 400 nm (ultraviolet) range reaches the earth's surface.
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