The molecules emit the infrared light that they have absorbed ultraviolet radiation from the star or have been heated by the wind from the star.
氢分子发出红外线的原因是它们吸收了恒星发出的紫外线，或者是受到了恒星喷发的炽热气体流的加热。
The supernova explosions that create and spread heavy elements also unleash a torrent of high-energy radiation: gamma rays, X-rays, and ultraviolet light.
创造并散播重元素的超新星爆发同样释放出一股高能辐射的激流：伽玛射线，X射线，紫外线。
Swirls of green in Hubble's ultraviolet and visible-light view reveal hydrogen and sulfur gas that have been heated and ionized by intense ultraviolet radiation from the Trapezium's stars.
紫外线成像显示出的绿色漩涡以及可见光形成的图像揭示了氢和硫磺气体的存在，它们受发自四边形的强紫外线的辐射而变热并形成等离子体。
Central filamentsof the dusty clouds glow with a faint reddish photoluminesence as some dust grains effectively convert the star's invisible ultraviolet radiation to visible red light.
在尘埃云中心的细丝发出微弱的红色荧光，这是由于一些尘埃微粒能有效地将恒星发出的不可见紫外线转换成可见的红光。
35% as thermal radiation; made up of a wide range of the electromagnetic spectrum, including infrared, visible, and ultraviolet light and some soft X-ray emitted at the time of the explosion; and.
35%为热辐射，由宽幅电磁频谱组成，包括红外线、可见光、紫外线，以及一些爆炸瞬间释放出的软x射线。
High quality light: no heat and radiation since there is no ultraviolet ray and infrared ray for the spectrum. It belongs to typical green lighting source.
光线质量高：由于光谱中没有紫外线和红外线，故没有热量，没有辐射，属于典型的绿色照明光源。
Photoaging refers to cutaneous damage caused by light, especially ultraviolet radiation exposure, in the process of skin aging.
光老化是指皮肤衰老过程中由光线特别是紫外线辐射所造成的损伤。
Chemicals that damage DNA, ultraviolet light, ionising radiation and viral infections are all culprits too—and culprits that can often be avoided by thoughtful behaviour.
化学物质对DNA的伤害、紫外线照射、电离辐射和病毒感染都是致癌诱因，而且，只要小心谨慎行事这些因素都能避免。
But the radiation produced by cellphones cannot directly damage DNA and is different from stronger types of radiation like X-rays or ultraviolet light.
不外由手机所孕育产生的辐射并不能直接对DNA孕育产生危害，并与X射线、紫外线遮阳高强度的辐射差异。
It Prevent ultraviolet ray, protect eyes and face, pass through sieve posterior all ultraviolet light radiate accord with stipulation the most big permit ultraviolet radiation level.
防止紫外线，保护眼睛及脸部，经过滤后的所有紫外光辐射符合规定的最大允许紫外辐射水平。
Through the experiment, it is indicated that regulated direct power makes the light source stable and provides the accurate UV radiation calibration with stable ultraviolet light source.
实验结果表明，带有光反馈的恒压恒流直流电源发光稳定，为精确紫外辐射定标提供了高稳定度的紫外光源。
Flax is rich in hemicelluloses, could effectively absorb ultraviolet light, which to protect the body from magnetism, radiation.
亚麻富含半纤维素，可以有效吸收紫外线使其不易直接照射到人体，起到防磁、防辐射，保护机体的作用。
Monascus pigment fades in sun light, and ultraviolet radiation(UV) is main reason causing photobleaching of organic compound.
红曲色素在自然光的作用下会逐渐褪色，紫外线是自然光中引起有机物褪色的主要光线。
The flexural and tensile strength can hold 99% under ultraviolet light radiation for one month.
紫外光照射一个月，修补材料的强度可以保持99%；
Lastly, a new method of sterilizing culture containers was established by combination of ultraviolet-light radiation, 70% ethanol spray, and 0.1% NaClO solution spray, without using high pressure.
第三，首先，对松口蘑菌丝体的培养用容器采用了新的非高压灭菌的方法，即先后经紫外照射、70%酒精喷洒、0.1%次氯酸钠溶液喷洒的组合灭菌方法。
Invisible ultraviolet or infrared radiation. Black light causes fluorescent materials to emit visible light and is used to take pictures in the dark.
看不见的紫外线或红外线。黑光使荧光物体发出可见光，用于黑暗中拍照。
It is shown from the data that main factor that affects composite material is the radiation of ultraviolet light.
数据表明影响合成材料的主要因素是紫外波段辐射。
Because less then 5% of the sun spectrum is ultraviolet radiation and 43% is visible light.
而太阳光谱中紫外光区占不到5%，可见光区则占43%。
Good for health: No ultraviolet rays and infrared radiation; No flicker, soft light, Relieve visual fatigue .
光线健康：无紫外线、红外光辐射；无闪烁，光线柔和纯正，有缓解视觉疲劳和保护眼睛。
Quantum dots are semiconductor nanostructures, 25 billionths of a meter in diameter, which can confine electrons in three dimensions and emit light when exposed to ultraviolet radiation.
量子点是一种直径为25纳米的半导体物体，当有紫外线的照射时，它能把电子限制在三维空间并产生光源。
The secondary metabolites contents changed with the intensity of ultraviolet radiation and light, which protected the plants from strong radiation.
次生代谢物质含量随紫外线和光强度而变化，从而保护植物免受强辐射的伤害。
Light texture, like the comfort of protective skin layer, melanoma and other powerful incentives to resist ultraviolet radiation.
质地轻盈，犹如肌肤的舒适防护层，强效抵抗紫外线等黑色素诱因。
Light texture, like the comfort of protective skin layer, melanoma and other powerful incentives to resist ultraviolet radiation.
质地轻盈，犹如肌肤的舒适防护层，强效抵抗紫外线等黑色素诱因。
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