锰

• Manganese ores - determination of chromium content
  锰矿石化学分析方法铬量的测定
• Methods of chemical analysis for copper - manganese alloy
  铜锰合金的化学分析方法
• Study on passivation condition of zn - mn alloy coating
  锌锰合金镀层钝化条件研究
• Iron ores - methods for determination of manganese content
  铁矿石.锰含量测定方法
• The actuality and prospect of studies on soil manganese
  土壤锰的研究现状及展望
• On imp amp; exp situation of ore resources in china
  浅析我国锰矿资源进出口现状
• Gold alloys - determination of copper and manganese contents
  金合金中铜锰量的测定
• A new matrix in electroplated diamond tools
  采用镍钴锰镀层制造玉雕用金刚石工具
• Guimeng alloys , silicon metal production and sales
  硅锰合金，金属硅生产、销售。
• Manganese ores - methods for determination of iron content
  锰矿石.铁含量测定方法