| 1. | Water quality - determination of kjeldahl nitrogen
水质凯氏氮的测定 |
| 2. | Laboratory glassware - kjeldahl flask
实验室玻璃仪器凯氏烧瓶 |
| 3. | Specification for kohlrausch flasks
凯氏量瓶规范 |
| 4. | 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 |
| 5. | Evaluation of uncertainty in measurement protein by kjeltec auto analyzer
用凯氏定氮仪测定蛋白质结果的不确定度评定 |
| 6. | 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 |
| 7. | Total kjeldahl nitrogen
凯氏氮总量 |
| 8. | Kelly ball test
凯氏球体贯入试验 |
| 9. | Water quality - determination of kjeldahl - nitrogen gas - phase molecular absorption spectrcmetry
水质.凯氏氮的测定.气相分子吸收光谱法 |
| 10. | Soil quality - chemical methods - determination of total nitrogen - modified kjeldahl method
土壤质量.化学方法.氮总含量的测定.修正的凯氏法 |
