The nitrogen, which is in ammonium in the ammonia sulfite pulping waste liquor of rice straw, is converted into organic nitrogen by using oxide-ammonium decomposition method.
稻草亚硫酸铵法制浆废液采用氧化氨解的方法，将废液中的铵态氮转化为有机氮。
The effects of a new fertilization method-NDSA(nitrogen depot with saturated ammonium) on the loss of nitrogen from ammonia volatilization and N leaching were studied by imitation experiments.
采用室内模拟氨挥发和模拟降雨土柱淋洗方法，研究了NDSA（饱和铵贮库）施肥法对降低氨挥发和氮素淋失的作用。
A new method to determine the concentration of ammonia-nitrogen by ammonium ion selective electrode has been introduced in this paper.
本文介绍一种新型的测量氨氮浓度的方法？铵离子选择电极分析法。
A new method to determine the concentration of ammonia-nitrogen by ammonium ion selective electrode has been introduced in this paper.
本文介绍一种新型的测量氨氮浓度的方法？铵离子选择电极分析法。
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