Manganese concretions from Kara Sea and Karelia
收藏B2FIND2026-04-29 收录
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The determinations of the radioactivity of a series of ferro-manganese concretions of the seas and lakes of the U.S.S.R. (especially of the Kara Sea and lakes of Karelia) have...
针对苏维埃社会主义共和国联盟(U.S.S.R.)各海域与湖泊(尤其是喀拉海及卡累利阿地区湖泊)中一系列铁锰结核(ferro-manganese concretions)的放射性测定工作已……



