Analysis of manganese nodules from the Atlantic

Concentrations of the rare earths have been determined in ten modern manganese nodules from the Atlantic, Pacific, and Indian Oceans, the Baltic Sea, and Lake Charlotte in Nova...已对取自大西洋、太平洋、印度洋、波罗的海以及新斯科舍省夏洛特湖的10个现代锰结核中的稀土元素（rare earths）浓度完成了测定。