| 1. | Method of test for organic nitrogen in paper and paperboard
纸和纸板中有机氮试验方法 |
| 2. | Standard test method for organic nitrogen in paper and paperboard
纸和纸板中有机氮的标准试验方法 |
| 3. | Effect of different organic nitrogen sources on inosine biosynthesis
不同有机氮源对肌苷合成的影响 |
| 4. | Atmospheric organic nitrogen compounds and their deposit to the ocean
大气中的有机氮化合物及其向海洋的沉降 |
| 5. | Soil organic nitrogen compounds and the research of its mineralizable models
土壤有机氮组分及其矿化模型研究 |
| 6. | Advances in studies on dissolved organic nitrogen in terrestrial ecosystems
陆地生态系统可溶性有机氮研究进展 |
| 7. | Contents of soluble organic nitrogen in soil and its influencing factors
土壤中可溶性有机氮含量及其影响因素研究 |
| 8. | Atmospheric organic nitrogen deposition and significance in marine ecosystem
大气有机氮沉降及其对海洋生态系统的影响 |
| 9. | Ammonium is toxic and is converted to organic nitrogen compounds in the root
铵有毒，在植物根部被转化为有机含氮化合物。 |
| 10. | Different forms of organic nitrogen loss in soil by runoff in slope land of loess plateau
黄绵土不同形态有机氮径流流失规律 |
