河南桐柏老湾花岗岩岩浆动力学与成矿。
The magmatic dynamics of the Laowan granite and its relations with mineralization in Tongbai, Henan.
目的掌握豫南桐柏县的疟疾真实发病情况，评估疟疾在该区域的流行现状。
Objective Ensure to provide a relative real figure of malaria prevalence in Tongbai County, the southern part of Henan and evaluate current epidemic situation in the area.
本文介绍从南桐矿务局干坝子选煤厂洗选尾矸中回收黄铁矿的工业性试验生产流程。
This paper discusses a plant test at the Gan Baji Coal Preparation plant, Natung Coal Mine, involving a circuit for recovering pyrite from refuse of that plant.
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