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1.THE COMPREHENSIVE UTILIZATION OF MANGANESE ORE-STUDIES ON MANGANESE BLACK BY PREPARATION OF MnSO_4 AND MnCO_3
锰矿的综合利用—用软锰矿制备MnSO_4和MnCO_3的研究收藏指正
2.black manganese oxide minerals
黑色氧化锰矿收藏指正
3.The Influence of Reaction Time on the Effect of the Manganese Removal of "Black-sand"
反应时间对“黑砂”除锰效果的影响收藏指正
4.Determination of Iron Manganese and Zine in Black Rice Beer and Black Beer by F—AAS
F—AAS法测定黑米啤酒、黑啤酒中三种微量元素收藏指正
5.Direct production of the Aluminum-Manganese Alloy With the Addifion of the Black Manganese in Industrial Aluminum Electrolytic Cells
在工业铝电解槽中添加氧化锰直接生产铝—锰合金收藏指正
6.A mixture of black manganese oxide minerals
硬锰矿一种黑色氧化锰矿的混合物收藏指正
7.Dianjiejinshumeng, manganese series products and other black metal, non-ferrous metal smelting, and processing; The enterprises produced a series of manganese products product; Des enterprise production for the original materials, mechanical equipment, instrumentation and spare parts imports.
电解金属锰、锰系列产品及其它黑色金属、有色金属冶炼、加工；本企业自产的锰系列产品的出品；本企业生产所需原辅材料、机械设备、仪器仪表及零配件进口。收藏指正
8.a black mineral consisting of basic manganese oxide; a source of manganese.
一种黑色矿物，由基性氧化锰组成，是锰的来源。收藏指正
9.A soft, black to dark gray mineral, MnO2, the commonest and most important secondary ore of manganese.
软锰矿一种软的，黑色至灰黑色的矿物质，MnO2，是最普通最重要的锰矿收藏指正
10.The mineral form of black iron oxide, Fe3O4, that often occurs with magnesium, zinc, and manganese and is an important ore of iron.
磁铁矿黑色氧化铁矿，Fe3O4，经常和镁、锌以及锰共生，是一种重要的铁矿石收藏指正
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