详细分析了形成亚硝酸盐积累的原因。
试验结果表明：通过高浓度游离氨对硝化菌选择性抑制所获得的亚硝酸盐积累是不稳定的；
The experimental results showed that the nitrite accumulation obtained from selective inhibition of high concentration free ammonia to nitrifier was unstable.
虽然无机氨和亚硝酸盐很容易与“生物过滤”管理的许多有机化合物往往积累抗微生物降解。
While inorganic ammonia and nitrite are easily managed with "biological filtration" many organic compounds tend to accumulate resisting microbial degradation.
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