英语释义

1. the loss or removal of nitrogen or nitrogen compounds specifically reduction of nitrates or nitrites commonly by bacteria (as in soil) that usually results in the escape of nitrogen into the air

片语

scr denitrificationscr脱硝

Denitrification unit脱硝机组

denitrification ability反硝化能力

chemical denitrification[土壤]

denitrification technique脱氮技术

Denitrification Characteristics反硝化特性

denitrification process脱氮工艺

Paracoccus denitrification脱氮副球菌

英汉例句

• the results of tests show that tn removal rate higher than 10% could be reached in the aerobic denitrification process of common activated sludge technique for the ammonia nitrogen rich leachate.

  连续动态试验研究表明，对于高浓度氨氮渗滤液，普通活性污泥法的好氧反硝化工艺的总氮去除率可达10%以上。

• by immobilizing the enriched nitrobacteria separately, the feasibility of applying microorganism immobilization technology to the denitrification of coking wastewater is studied.

  通过把富集培养的硝化细菌单独固定化，进行了固定化用于焦化废水脱氮的可行性研究。

• denitrification is always the focus in wastewater treatment industry.

  脱氮一直是污水处理界的研究热点。

• the results also showed that the five-tank integrated active sludge process could realize dephosphorization and denitrification at high efficiency.

  研究还表明五箱一体化活性污泥工艺能在交替运行过程中实现高效除磷脱氮。

• the new biological denitrification techniques have gradually attracted the attention of people because of their obvious advantages.

  生物脱氮新工艺由于其独特的优点日益引起人们的关注。

• the paradoxical relationships are inevitably produced because of the different requirements on denitrification and phosphor removal.

  就脱氮与除磷而言，由于各自过程的要求不同，二者之间存在一定的矛盾关系。

• denitrification bacteria play a very important role in wastewater treatment system.

  反硝化细菌在污水处理过程中起到十分重要的作用。

• thirdly, it summarizes numeral model of denitrification rate.

  介绍反硝化速率模型的研究开发状况。

• biological nitrogen removal through nitrification and denitrification was the main removal mechanism of nitrogen, which could remove about 50% of influent total nitrogen.

  地下渗滤系统中通过硝化、反硝化作用可以去除约50%的进水总氮，是地下渗滤系统去除氮的主要途径。

• biological denitrification was the major method, and some new processes of nitrate treatment were reviewed.

  生物脱氮是硝酸盐治理的主要方法，本文综述了硝酸盐治理的一些新工艺。

• the denitrification of antibiotic wastewater with two-stage biological contact oxidation process was studied, with highly efficient removal of organic compounds ensured.

  在保证有机物高效去除的前提下，采用两段生物接触氧化反应器进行了抗生素生产废水脱氮的实验研究。

• this paper presents the test of a/o biological denitrification system .

  本文介绍了a/o生物脱氮系统的试验情况。

• in the present paper we apply the biological dephosphorization and biological denitrification technique to the deep disposition of sewage in the cities.

  将生物脱磷和生物脱氮应用到城市废水处理系统中，能有效地解决废水深度处理中存在的一些问题。

• like other biological treatment process, the purified reaction of rbc includes: oxidation and decomposed of organic substances, nitration, denitrification and so on.

  与其他生物处理工艺相同，生物转盘的凈化反应包括：有机物的氧化分解、硝化、脱氮等。

• the performance of denitrification in the up-flow biological aerated filter(ubaf) is studied experimentally.

  文章对单级上流式曝气生物滤池的脱氮性能进行了初步研究。

• it has been conducted an experimental study on the effect of sulfate reduction on denitrification under anoxic condition.

  对缺氧环境下硫酸盐还原对反硝化脱氮过程影响进行了试验研究。

• beaulieu and colleagues measured nitrous oxide production rates from denitrification in 72 streams draining multiple land-use types across the united states.

  对美国各地多种土地使用类型的72条排水溪流，比尤利和同事测量了脱氮作用造成的一氧化二氮产生率。

• with the wastewater discharging standards getting increasingly stricter, many new and effective wastewater treatment processes were studied, especially in the biological denitrification field.

  随着排放指标的日益严格，出现了很多氨氮废水处理新技术，尤其是在生物脱氮领域。

• the structure and shape of magnesia base catalyst-sorbent before and after denitrification were characterized by xrd and ft-ir.

  利用红外光谱、x射线衍射对脱硝处理前后的氧化镁基催化吸附剂进行了分析，探讨其脱硝的机制。

• high degrees of treatment. can be designed for any desired degree of treatment achievable through biological means, including denitrification with submerged units.

  高级处理效果。通过生物方法，包括使用潜式组件进行反硝化的方法，可以处理任何期望程度的污水。

• this paper introduced the principles of various wastewater denitrification processes applied currently, and expounded the features and defects of each process.

  介绍了目前应用的各种废水脱氮工艺原理，阐述了各种处理工艺的特点和应用中存在的缺点。

• lower hydrogen sulfide concentration of the sulfurization process has great effect on the denitrification activity and decarbon activity of residue hydrotreating catalysts.

  硫化过程中较低的硫化氢浓度会对渣油加氢处理催化剂的脱氮活性和脱残炭活性产生较大影响。

• nitrate nitrogen removal from ground water by autotrophic denitrification in a packed bed reactor.

  固定床自养反硝化去除地下水中的硝酸盐氮。

• objective to discussion of electrolysis disinfection and denitrification techniques and their applications in water treatment.

  目的探讨电解杀菌和反硝化脱氮技术在水处理中的应用。