Composition of standard reference samples of Fe-Mn nodules and bottom sediments
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The first series of Soviet standard reference samples of composition of ore materials and ocean pelagic sediments has been created. It includes iron-manganese nodules (SDO-4,...
苏联已研制出首批矿石成分与海洋远洋沉积物标准参考样品系列。该系列涵盖铁锰结核（SDO-4……）
