Separation between acid insoluble and soluble parts from Mn nodules from the ...
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After drying at 110°C the fine powder was treated with concentrated hydrochloric acid.From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database...
将该细粉于110℃下干燥后,以浓盐酸进行处理。1983年至1989年间,美国国家海洋和大气管理局国家环境信息中心(NOAA-NCEI)编制了NOAA-MMS海洋矿物地球化学数据库……



