Chemical composition of marine manganese nodules from four potential mining s...

Manganese nodules were selected from various potential mining sites of the Pacific ocean. They were dried by heating at 110°C for 24 hours and ground to powder before their...本研究选取的锰结核（Manganese nodules）采自太平洋多处潜在采矿区域。样品先经110℃加热干燥24小时，随后被研磨为粉末，其后续相关操作原文此处未完整呈现。