您要查找的是不是：
- 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
- The total nitrogen(TN) is removed by 44.7% after stage A,but the ammonia nitrogen content rises up after stage B,so the TN removal rate drops to about 35.7%. A段对TN的去除率平均为44.;7%25;经过B段后NH+4-N含量升高;使AB工艺对TN的总去除率降至35
- Ammonia nitrogen content 氨氮含量
- The key pollution indicators are ammonia nitrogen and BOD. 主要污染指标是氨氮和生化需氧量。
- Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. 肥料.;在氢氧化钠作用下其它物质释放出的氨气中测定氨态氮的含量
- Growing the lasers by MBE rather by MOCVD promises to lowermanufacturing costs by reducing the consumption of ammonia gas, whichprovides the nitrogen content in the devices. 与MOCVD法相较，以MBE来生长雷射二极管，不需使用氨气来制作氮成份，因此可以降低制造成本。
- Using fuzzy comprehensive judgment,the content of oxygen,hypermanganate and ammonia nitrogen in water are analysed in the paper,then a model of water quality assessment is gained. 文章对问题深入分析,采用模糊综合评判方法,对水中溶解氧,高锰酸盐和氨氮含量进行分析,得到对水质综合评价的数学模型。
- During composting, total nitrogen content descended by 26.3% and total nitrogen lost by 50%, which were attributed mostly through ammonia volatilization. 一次发酵前后，厨余堆肥全氮含量下降了26.;3%25，总氮损失率达50
- Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide.Titrimetric method. 肥料.;在氢氧化钠作用下其它物质释放出的氨气中测定氨态氮的含量
- After harvesting the crops, he tested them for nitrogen content. 作物收获后，他测定了作物中氮的含量。
- Due to higher content of protein in chondroitin sulfate wastewater and low measured value of ammonia nitrogen, organic nitrogen was neglected in designing wastewater treatment process. 硫酸软骨素废水中蛋白质含量虽然较高,但氨氮测定值较低,导致有机氮问题在设计时容易被忽视。
- 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。
- Using fuzzy comprehensive judgment, the content of oxygen, hypermanganate and ammonia nitrogen in water are analysed in the paper, then a model of water quality assessment is gained. 摘要文章对问题深入分析，采用模糊综合评判方法，对水中溶解氧，高锰酸盆和氨氮含量进行分析，得到对水质综合评价的数学模型。
- Nitrogen Content Dynamic Variation Analysis in the Second Songhua River. 第二松花江水体中氮含量的动态变化分析
- The adhesive has high cohesive strength,low nitrogen content and low viscosity. 该粘结剂具有粘结强度高、低氨、低粘度等优点。
- Urine is a complete manure with fast function rich in nitrogen content. 尿液是一种快速作用的、富含氮的完全肥料。
- 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。
