Nodule bacteria are very good at biological nitrogen fixation.

根瘤菌是生物固氮的能手.

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Anaerobic ammonium oxidation ANAMMOX is an innovative process of biological nitrogen removal.

厌氧氨氧化是一种全新的生物脱氮工艺.

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The step feed biological nitrogen removal process ( SFBNP ) has distinct advantages in nitrogen removal.

分段进水生物脱氮工艺在脱氮方面具有较强的优势.

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The influence of internal recycle ratio and influent loads on biological nitrogen removal was discussed.

结果考察工艺的启动挂膜性能以及硝化液回流比和进水负荷对脱氮效果的影响.

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It also summarizes basic principles on biological nitrogen and phosphorous asas some new significant views.

另外,还简略介绍了生物除氮磷的基础理论.

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Nitrogen fixation trees of Leguminosae and non - Leguminosae are important biological nitrogen fixation resources.

摘要豆科及 非 豆科固氮树种是重要的生物固N资源.

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The authors indicate that single stage bio - film processes have great potential for biological nitrogen removal.

以期说明 单级 生物膜法的极具发展潜力的脱氮工艺.

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