Nitrogenous heterocyclic compounds exist in many kinds of industrial wastewaters and municipal wastewaters. Anxic denitrification is an important biological treatment process for wastewaters.
含氮杂环化合物存在于多种工业废水和城市污水中，而缺氧反硝化是一种重要的生物处理手段。
Nitrogenous heterocyclic compounds exist in many kinds of industrial wastewaters and municipal wastewaters. Anxic denitrification is an important biological treatment process for wastewaters.
含氮杂环化合物存在于多种工业废水和城市污水中，而缺氧反硝化是一种重要的生物处理手段。
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