| 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. | Determination of easy reducible manganese in forest soil 森林土壤易还原锰的测定 |
| 4. | The actuality and prospect of studies on soil manganese 土壤锰的研究现状及展望 |
| 5. | Determination of exchangeable manganese in forest soil 森林土壤交换性锰的测定 |
| 6. | Determination of manganese content for compound fertilizers 复混肥料中锰的测定方法 |
| 7. | Determination of iron , magnesium and manganese in foods 食品中铁镁锰的测定 |
| 8. | Technologies and prospect of manganese sulfate production 硫酸锰的生产技术及发展方向 |
| 9. | Titanium ores - methods for determination of manganese 钛矿石.锰的测定方法 |
| 10. | Sillicate rocks . determination of manganese oxide 硅酸盐岩石化学分析方法氧化锰的测定 |