ammonia nitrogen是什么意思

ammonia nitrogen 氨型氮；氨氮 氨态氮；氨态氨；膜式氧合器 例句筛选 1. LC_(50) that exposed with ammonia nitrogen time had lengthening downward trend of presenting. 半致死浓度随氨氮暴露时间延长呈下降趋势。 2. But its return to original state product is mainly the ammonia nitrogen, but is not the ideal nitrogen. 但其还原产物主要是氨氮，而不是理想的氮气。