Metal-poor stars from SDSS/SEGUE. I. Abundances
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Chemical compositions are determined based on high-resolution spectroscopy for 137 candidate extremely metal-poor (EMP) stars selected from the Sloan Digital Sky Survey (SDSS)...
针对从斯隆数字巡天（Sloan Digital Sky Survey，SDSS）中筛选得到的137颗极贫金属星（extremely metal-poor stars，EMP）候选体，本研究通过高分辨率光谱学方法测定其化学组成……
