We present a detailed abundance analysis based on high-resolution and high signal-to-noise spectra of eight extremely metal-poor (EMP) stars with [Fe/H] approx< - 3.5 dex, four of which are new. Only stars with 4900 K < T_eff < 5650 K are included. Two st
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机译：我们基于高分辨率的高丰度分析，对8个[Fe / H]约<-3.5 dex的极贫金属（EMP）星进行了高分辨率和高信噪比光谱分析，其中有四个是新的。仅包括4900 K 展开▼
