The amounts of cadmium and lead in the samples were determined by atomic absorption spectrometry with the deuterium lamp for the deduction of background absorption.

取适量的乳浊液制成试液，注入石墨炉中，以氘灯扣除背景吸收，石墨炉原子吸收光谱法的快速测定铅和镉。

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One of LRO's instruments, the Lyman Alpha Mapping Project (Lamp), detected enhanced concentrations of mercury and atomic hydrogen in the cloud from the demise of the twin spacecraft.

BBC: Nasa reveals new information about moon probes crash sites