manganese in hair
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批发高纯硝酸锰 Manganese Nitrate
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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.
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