| 1. | Milk - determination of nitrogen content - kjeldahl method 牛奶.氮含量的测定.基耶达法kjeldahl |
| 2. | Apparatus for microdetermination of nitrogen by kjeldahl method 用基耶达法进行氮气微量测定用仪器 |
| 3. | Method for the determination of soil total nitrogen semi - micro kjeldahl method 土壤全氮测定法半微量开氏法 |
| 4. | Kjedahl milk - determination of nitrogen content - part 1 : kjeldahl method 牛奶.氮含量的测定.第1部分:基耶达 |
| 5. | 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 |
| 6. | Fruit and vegetable juices - determination of nitrogen content - kjeldahl method 水果和蔬菜汁.氮含量的测定.基耶达斯法 |
| 7. | 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 |
| 8. | Municipal domestic refuse . determination of total nitrogen . semi - micro kjeldahl method 城市生活垃圾.全氮的测定.半微量开氏法 |
| 9. | Soil quality - determination of total nitrogen - modified kjeldahl method iso 11261 : 1995 土质.氮总含量测定.改良基尔达斯法 |
| 10. | Kjeldahl soil quality . determination of total nitrogen . modified kjeldahl method 土壤质量.氮总含量的测定.改进的凯氏测氮法 |