...属 ( Stangeria )和泽米铁科的大头苏铁属(Encephalartos)分布于非洲；蕨铁科的莲铁属(Bowenia)、泽米铁科的鳞苏铁属(Lepidozamia)和叠鳞苏铁属(Ma..
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根据上海硅酸盐研究所有关岩相的分析表明，紫砂黄泥属高岭—石英—云母类型，含铁量很高，最高含铁量达8.83%。
According to the analysis about the Shanghai Institute of Silicate facies showed purple Wong belongs kaolin - quartz - mica type, high iron content, the highest iron amounted to 8.83%.
通过在锰砂及石英砂上固定自行分离的纤发菌属细菌，研究了生物固定化锰砂及石英砂滤柱的除铁除锰能力。
Through immobilizing the isolated Leptothrix bacteria on manganese sand and quartz sand, the iron and manganese removal efficiency by the biologically immobilized filtration columns were studied.
氟铁云母是三八面体云母类矿物新种，属铁云母的富氟类似物。
Fluorannite is a new mineral of trioctahedral mica group, belonging to the F_rich analogue of annite.
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