Molecular oxygen (O2) is essential to human beings on the earth.Although elemental oxygen is rather abundant,O2 is rare ......

The relationship between abundances and orbital parameters for 235 F- and G-type intermediate- and low- mass stars in th......

Based on a high resolution and high signal-to-noise ratio (S/N) spectral analysis of 90 solar-type stars, we have establ......

依据2013年5月（春季）和10月（秋季）对金塘港区2个航次的浮游动物调查结果,分析和研究了浮游动物的种类组成、数量分布、多样性和群落结......

以内禀AGB星重元素丰度的演化和外赋AGB星重元素超丰的计算为基础，计算了外赋AGB星较重s-元素丰度、较轻s-元素丰度、重s-元素和s-......