| 1. | Characterization of sludges - determination of kjeldahl nitrogen 淤泥的特性.氮含量的测定 |
| 2. | Standard test methods for total kjeldahl nitrogen in water 水中氮总数的基耶达尔标准试验方法 |
| 3. | Water quality - determination of kjeldahl nitrogen 水质凯氏氮的测定 |
| 4. | Characterization of sludges - determination of kjeldahl nitrogen 污泥特性描述.基尔达斯氮的测定 |
| 5. | Photo of total kjeldahl nitrogen concentration in the siu lek yuen nullah tr23l 小沥源明渠tr23l的凯氏氮含量图片 |
| 6. | Characterization of sludges - determination of kjeldahl nitrogen ; german version en 13342 : 2000 污泥特性.基耶达尔氮的测定 |
| 7. | Total kjeldahl nitrogen 凯氏氮总量 |
| 8. | Water quality - determination of kjeldahl nitrogen - method after mineralization with selenium 水质.基尔达氮的测定.用硒矿化后的检测方法 |
| 9. | Leachate . determination of kjeldahl nitrogen . method after mineralization with mercuric sulfate catalyst 生活垃圾渗沥水.凯氏氮的测定.硫酸汞催化消解法 |
| 10. | The graph shows the marked reduction of total kjeldahl nitrogen i . e . ammonia and organic nitrogen arising primarily from livestock waste in the siu lek yuen nullah from 1989 附图表显示小沥源明渠自1989年以后凯氏氮总含量主要来自禽畜废物产生的氨及有机氮显著减少。 |