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- ammonia nitrogen recovery 氯化铵回收
- The key pollution indicators are ammonia nitrogen and BOD. 主要污染指标是氨氮和生化需氧量。
- The major pollution indicators in the Yangtze River system are petroleum and ammonia nitrogen. 长江水系的主要污染指标是石油类、氨氮和高锰酸盐指数。与上年相比，水质持平。
- The experiment indicates that the ammonia nitrogen content in the synthesized CNN is 22.78%,and its total nitrogen content comes to 35.08%. 实验表明;合成的CNN中氨态氮含量22.;78%25;总氮含量35
- In this article,the advances in studies on the treatment of ammonia nitrogen wastewater is introduced,and the research trend of this techni... 重点介绍了鸟粪石沉淀法处理氨氮废水目前的研究进展,并探讨了该技术在今后的研究趋势。
- In soilless culture, we should pay attention to proper adjust the ratio of nitrogen to potassium and the ratio of ammonia nitrogen to total nitrogen. 在无土栽培中要注意适当调节氮钾比和氨态氮与总氮的比例。
- A study on high ammonia nitrogen and low C/N ratio sewage reclamation using Self-forming Dynamic Membrane Bioreactor was presented in this thesis. 本文采用自生生物动态膜反应器工艺来处理高氨氮、低碳氮比污水,着重研究动态膜生物反应器中氨氮的硝化情况。
- The ratio of isoparametric discharge pollution loading was applied to assess the environmental impact of ammonia nitrogen on the surface water bodies. 应用污染物等标排放负荷比进行农业非点源氨氮污染环境影响评价。
- Under the same nitrogen application rate,higher topdressing ratio improved nitrogen agronomic efficiency,nitrogen recovery efficiency,increased accumulation amount of topdre... 因此合理运筹氮肥是提高氮肥利用率、增加产量、改善品质和减少污染的重要措施。
- The result showed that phytoplankton,bacteria,ammonia nitrogen and nitrite nitrogen have different pollution level in different water. 通过分析，浮游植物、细菌、非离子氨和亚硝酸盐氮等因子在不同的水体中表现出不同程度的污染。
- The results showed slow/controlled release fertilizers felted and coated by Nano-materials could improve nitrogen recovery and decrease NO3--N loss effectively. 结果表明，纳米级材料胶结包膜型缓/控释肥料能有效的提高氮素利用率和减少硝态氮的淋溶损失。
- The performances of different powdered zeolites for removing low-concentration ammonia nitrogen from water were compared through batch experiments. 通过静态试验比较了不同产地粉末状沸石去除水中低浓度氨氮的性能。
- In this paper the removal efficiency of MBR to organic matters and ammonia nitrogen is investigated by operation mode of intermittence aeration. 主要通过间歇曝气的运行方式来考察MBR对有机物和氨氮的去除效果。
- After analyzing the characteristics of ammonia nitrogen pollution in Huaiyin section of Salt river,the sources of ammonia nitrogen are investigated. 在分析盐河淮阴段氨氮污染的特征后,对氨氮的来源进行了研究。
- Septic tank effluent (STE) is a typical form of sewage contenting with high ammonia nitrogen (AN), total nitrogen (TN), and total phosphorus (TP). 用Langmuir方程拟合的9种基质磷的最大吸附量从大到小的排列顺序为草炭、高炉渣人工土、高炉渣、煤灰渣人工土、耕层土、煤灰渣、中粗砂人工土、中粗砂、砾石。
- The study shows that the A/O Process can effectively degrade and eliminate the ammonia nitrogen and total nitrogen in Refinery Wastewater. 采用A/O工艺能够有效降解脱除炼油废水中的氨氮，出水水质可达到国家规定的排放标准。
- In this paper,the characteristic and the source of ammonia nitrogen are studied in Yayao river,which is a typical inner river in the Pearl Delta Area. 以佛山市雅瑶涌为研究实例,探讨了珠江三角洲河网地区围内河涌氨氮污染的特征,并对氨氮的来源进行了研究。
- By means of dynamic lab-experiment, we simulate the migrating and transforming course of ammonia nitrogen in polluted river permeating in soil column. 方法通过室内动态实验模拟污染河流中的氨氮渗入地下后的迁移转化过程。
- After analyzing the characteristics of ammonia nitrogen pollution in Huaiyin section of Salt river, the sources of ammonia nitrogen are investigated. 摘要在分析盐河淮阴段氨氮污染的特征后，对氨氮的来源进行了研究。
- L-lactic acid production wastewater with highconcentration organic pollutants and ammonia nitrogen is a kind of refractory organic wastewater. 乳酸生产废水中含有较高浓度的有机污染物和氨氮,属于难处理的有机废水。
