The method based on microliter sample dilution was applied to monitoring of ammonium nitrogen in fermentation solutions. 把微升进样在线稀释技术同气体扩散光度法结合,测定了农药发酵液中氨态氮的含量。
The key pollution indicators are ammonia nitrogen and BOD. 主要污染指标是氨氮和生化需氧量。
The performances of different powdered zeolites for removing low-concentration ammonia nitrogen from water were compared through batch experiments. 通过静态试验比较了不同产地粉末状沸石去除水中低浓度氨氮的性能。