Astronomers detected a bright fluorescent signal, caused by radiation from the nearby star being absorbed by methane and released as light.
天文学家探测到了强荧光信号，该信号来源于甲烷气体吸收附近恒星辐射而发出的光线。
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In this paper, a method for quantitative determination of spectral distributions of primary radiation from X-ray tubes for diffraction and X-ray fluorescent spectral analysis is presented.
本文提出了衍射或荧光分析用的X射线管原级X射线谱强度分布的定量测定方法。
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Warning—In addition to other precautions, never look directly at the fluorescent UV lamp because UV radiation can damage the eye.