| 1. | Oxidation-reduction reactions are important in the solubilization and precipitation of iron and manganese .
氧化还原反应在铁和锰的增溶和沉淀中具有重要作用。
|
| 2. | The contents of organic material, limonite and manganese hydroxides influence the variation of ore element .
有机物、褐铁矿和氧化锰的含量影响着成矿元素含量的变异。
|
| 3. | Manganese ores - determination of sulphur contents
锰矿石化学分析方法硫量的测定
|
| 4. | Manganese ores - determination of titanium content
锰矿石化学分析方法钛量的测定
|
| 5. | Manganese ores - determination of vanadium content
锰矿石化学分析方法钒量的测定
|
| 6. | Determination of easy reducible manganese in forest soil
森林土壤易还原锰的测定
|
| 7. | Manganese ores - determination of chromium content
锰矿石化学分析方法铬量的测定
|
| 8. | Methods of chemical analysis for copper - manganese alloy
铜锰合金的化学分析方法
|
| 9. | Iron ores - methods for determination of manganese content
铁矿石.锰含量测定方法
|
| 10. | The actuality and prospect of studies on soil manganese
土壤锰的研究现状及展望
|