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- Barbarika, A., Silkora, L.J. and Colacicco, D. 1985, “Factors affecting the mineralization of nitrogen in sewage sludge applied to soil,” Soil Sci. Soc. Am. J., Vol. 49, pp.1403-1406. 何易儒，2002，由氮素在水田的淋洗率与转换探讨猪粪尿废水的处理，国立台湾大学生物环境系统工程学研究所硕士论文。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
- The crux of the matter was a lack of nitrogen. 问题的关键在于缺少氮。
- Among the blue-green algae are many species of nitrogen fixation. 许多种蓝藻有固氮的能力。
- Urea is commonly used as the source of nitrogen in foliage sprays. 尿素作为氮素给源普遍地应用于叶面喷布。
- mineralization of nitrogen 氮素矿化
- Has an atmosphere, which is mainly made up of nitrogen. 它拥有主要由氮组成的大气。
- The amount of nitrogen needed will increase as yield increases. 随着产量增加，需氮量也要增加。
- The discharge amount of nitrogen oxide can reduce 30%. 氮的氧化物排放量减少30%25。
- The Effect of Nitrogen on Beauveria bassiana (Bals.) Vuill. 氮素对球孢白僵菌的影响
- The main mineral of Qinghai nephrite is tremolite. 其主要矿物为透闪石。
- Shen Y F, Li S Q, Shao M A.Effects of temperature and water condition on soil nitrogen mineralization of different layers in Eum-Orthic Anthrosols of sub-humid area. 沈玉芳;李世清;邵明安.;半湿润地区土垫旱耕人为土不同土层氮矿化的水温效应研究
- Results show that, nitrogen removal rate in the sedimentation tank (ST) unit is not apparent, where the mineralization of organic nitrogen to NH4(superscript +) may happen. 研究表明，沉淀池除氮效果最不明显，在该区内有机氮可能发生矿化作用而转变为氨氮。
- Moluranite is a mineral of uranyl molybdate group. 多水钼铀矿属铀酰钼酸盐类矿物。
- The result indicated that aeration status had a great effect on the mineralization and release of nitrogen in AOL. 结果发现,通气状况对AOL的氮素矿化与释放有较大的影响。
- A translucent mineral of hydrated silica, often used as a gem. 蛋白石一种非晶质氧化硅，含有明显的变色晕彩，常被用来当作宝石
- Mycorhizae perform the function of nitrogen fixation and storage. 菌根起着固氮和贮氮的作用。
