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1964年9月11至14日西德矿冶工作者协会在汉诺威举行了年会。会议期间,选矿和冶金组讨论了如下报告: 印度尼西亚班卡岛、勿里洞岛和新格岛锡矿采选的现状和前景(巴拉); 腊姆斯贝克矿富矿选别中的铜铅分离(克洛塞尔); 腊姆斯贝克重介质选矿厂用硅铁代替方铅矿作重介质的结果(伏尔克); 关于用水解化学和电化学法提取锌和镉的研究(朗格);
September 11-14, 1964 The Association of Mining and Metallurgists in West Germany held its annual conference in Hannover. During the meeting, the Mineral Processing and Metallurgy Group discussed the following reports: Status and Prospects of Prospecting and Mining of Tin Mines in Bangka, Belitung Island, and Singe Islands, Indonesia (Barra); Copper and Lead in Refineries, Separation (Cloerre); the result of the use of ferrosilicon instead of galena for heavy media at the Concentrate beneficiation mill in Sembeck (Volk); the study on the extraction of zinc and cadmium by hydrolytic and electrochemical methods grid);