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| nitrogen (nitrogenium) | |||
| azote; Az | |||
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| E 941 | |||
| azote (nitrogenium) | |||
| nitrogen An essential nutrient in the food supply of plants and the diets of animals. Animals obtain it in nitrogen-containing compounds, particularly amino acids. Although the atmosphere is nearly 80% gaseous nitrogen, very few organisms have the ability to use it in this form. The higher plants normally obtain it from the soil after micro-organisms have converted the nitrogen into ammonia or nitrates, which they can then absorb | |||
| nitrogen | |||
| nitrogeno: 247 短语, 38 学科 |
| 一般 | 2 |
| 养鱼（养鱼） | 2 |
| 农业 | 40 |
| 冶金 | 10 |
| 包装 | 2 |
| 化学 | 41 |
| 医疗的 | 21 |
| 卫生保健 | 6 |
| 地球科学 | 1 |
| 微生物学 | 3 |
| 技术 | 3 |
| 政治 | 1 |
| 机械工程 | 1 |
| 材料科学 | 3 |
| 林业 | 1 |
| 核物理 | 1 |
| 核能和聚变能 | 3 |
| 植物学 | 1 |
| 气象 | 2 |
| 汽车 | 1 |
| 法律 | 1 |
| 热能 | 2 |
| 煤炭 | 3 |
| 环境 | 41 |
| 生命科学 | 1 |
| 电子产品 | 3 |
| 畜牧业 | 4 |
| 纺织工业 | 1 |
| 组织机构名称 | 1 |
| 联合国 | 10 |
| 能源行业 | 1 |
| 自然科学 | 8 |
| 药店 | 3 |
| 行业 | 1 |
| 运输 | 1 |
| 透析 | 3 |
| 食品工业 | 5 |
| 食品服务和餐饮 | 13 |