锰

• Water quality - determination of permanganate index
  水质.高锰酸盐指数的测定
• Sintering characters of copper and manganese powder
  铜与锰金属粉末的烧结特性
• Pulp , paper and board - determination of manganese
  纸浆纸和纸板锰含量的测定法
• A mineral processing test of ferromanganese ore in yunnan
  云南铁锰矿选矿试验
• Waste dregs of emm for usage of crops
  电解金属锰生产废渣为农作物利用的可行性
• Determination of iron , magnesium and manganese in foods
  食品中铁镁锰的测定
• Technical requirements of manganese carbonate ore powder
  碳酸锰矿粉技术条件
• Guimeng alloys , ferromanganese production and marketing
  硅锰合金、锰铁生产，销售。
• Manganese ores - methods for determination of calcium content
  锰矿石.钙含量测定方法
• Recycling zinc in waste zinc - manganese cells at vacuum
  废锌锰电池中锌的真空回收处理