| 1. | Chemical reagent . manganous nitrate , 50 % solution 化学试剂. 50 %硝酸锰溶液 |
| 2. | Determination of calcium for manganous sulfate by aas 原子吸收分光光度法测定硫酸锰中的钙 |
| 3. | Feed grade manganous sulphate 饲料级.硫酸锰 |
| 4. | Study on the basecourse of phosphogypsum , lime and fly - ash stabilizing manganous slag 磷石膏二灰稳定锰渣基层材料的研究 |
| 5. | Acid manganous phosphate 酸式磷酸锰 |
| 6. | The persulfate oxidation photometric mothod for the determination of manganous oxide content 过硫酸盐氧化光度法测定一氧化锰量 |
| 7. | Production of manganous sulfate by curing process with pyrite , pyrolusite and concentrated sulfuric acid 两矿加浓硫酸熟化法生产硫酸锰 |
| 8. | Chemical analysis methods for acid slay of cupola . determination of manganous oxide by volumetric method using sodium arsenite - sodium nitrite 铸造化铁炉酸性炉渣化学分析方法.亚砷酸钠-亚硝酸钠容量法测定一氧化锰量 |
| 9. | Methods for chemical analysis of spodumenite and lepidolite concentrates - the persulfate oxidation photometric method for the determination of manganous oxide content 锂辉石,锂云母精矿化学分析方法过硫酸盐氧化光度法测定-氧化锰量 |
| 10. | Methods for chemical analysis of high - titanium slag and rutile - the persulfate oxidation arsenite volumetric method for the determination of manganous monoxide content 高钛渣,金红石化学分析方法过硫酸盐-亚砷酸盐容量法测定一氧化锰量 |