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- The key pollution indicators are ammonia nitrogen and BOD. 主要污染指标是氨氮和生化需氧量。
- 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。
- 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。
- He is pitching hay onto the high load. 他正在把干草抛到高高的草堆上。
- The technology of magnesium ammonium phosphate(MAP) is one of effective removal of high strength ammonia nitrogen and phosphate in wastewater. 磷酸铵镁(MAP)技术是一种有效去除废水中高浓度氨氮和高浓度磷酸盐的技术。
- Near infrared reflectance spectroscopy is being available for testing total nitrogen, ammonia nitrogen, nitrate nitrogen and moisture with high precision. 因此，可以用比重计法、电导仪法以及近红外光谱法快速预测畜禽粪便中的肥料成分含量。
- A torsion bar is used in a high load capacity truck. 扭力杆用于高承载量的卡车。
- Using struvite sediment to remove the nitrogen in waste water has many advantages,such as high removal rate of nitrogen and reaction speed,small amount of sludge,reclaiming the ammonia nitrogen etc. 在废水处理中采用鸟粪石沉淀法脱氮,具有氨氮去除率高、反应速度快、污泥体积小的优点,同时可以回收氨氮。
- When the influent COD load is F=8.60g/(m~2d), influent ammonia nitrogen is 25 mg / L, 15 mg / L, 40 mg / L, through step feed in the first, second stages of the RBC, ammonia conversion rate can increase to more than 90%. 在进水COD盘面负荷为F=8.;60g/(m~2·d);进水氨氮分别为为25mg/L、15mg/L、40mg/L时;通过在一、二级转盘分点进水;可使氨转化率提高至90%25以上。
- 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。
- Heating zone with low thermal inertia to allow high load variations. 加温区带有低温惯性装置允许高温下负载变化。
- 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
- High loads of nitrogen, phosphorus and organic matters have been found in the water of creeks, outskirts of Shanghai. 上海市郊河流水体中有很高的氮、磷和有机负荷。
- 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。
- Steel castors with double bearing ensure high loading capacity and smooth running. 高承重力。全钢滑轮与路轨之间的磨擦力减至最低，运行更为畅顺。
- 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。
- JDB JFB HAVE LOWER FRICTION,HIGHER LOAD AND LONG LIFE. JDB具有低的摩擦系数，高承载的能力及使用寿命长优点。
- 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。
