| 1. | Solid mineral fuels - determination of nitrogen
固体矿物燃料.氮含量测定 |
| 2. | Milk - determination of casein - nitrogen content - direct method
乳.酪蛋白氮含量测定.直接方法 |
| 3. | Raw natural rubber - determination of nitrogen
氮含量测定法 |
| 4. | Method for determination of nitrogen content in starches and derived products
淀粉及其衍生物氮含量测定方法 |
| 5. | Ammonium nitrate - method for determination of ammoniacal nitrogen content
硝酸铵.第1部分:氨型氮含量测定方法 |
| 6. | Nitroger determination system
氮含量测定系统生化 |
| 7. | Milk - determination of casein - nitrogen content - indirect method reference method
乳.酪蛋白氮含量测定.间接方法 |
| 8. | Fruit and vegetable juices . determination of nitrogen content . kjeldahl method
水果和蔬菜汁.氮含量测定.基耶达尔法 |
| 9. | Study on the determination of amide nitrogen and total nitrogen in urea nitrate
硝酸脲中酰胺态氮及总氮含量测定的研究 |
| 10. | Lubricating oils and fuel oils - determination of total nitrogen - modified kjeldahl method
润滑油及燃料油中总氮含量测定法 |
