您要查找的是不是：
- Effects of Formaldehyde on Measurement of Total Ammonia Nitrogen Concentration by Nessler and Salicylate Methods 甲醛對Nessler法和次氯酸酚鹽法測定養殖水體總氨氮的影響
- total ammonia nitrogen 總氨氮
- The key pollution indicators are ammonia nitrogen and BOD. 主要污染指標是氨氮和生化需氧量。
- The experiment indicates that the ammonia nitrogen content in the synthesized CNN is 22.78%,and its total nitrogen content comes to 35.08%. 實(shí)驗表明;合成的CNN中氨態(tài)氮含量22.;78%25;總氮含量35
- 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. 在無(wú)土栽培中要注意適當調節氮鉀比和氨態(tài)氮與總氮的比例。
- 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方程擬合的9種基質(zhì)磷的最大吸附量從大到小的排列順序為草炭、高爐渣人工土、高爐渣、煤灰渣人工土、耕層土、煤灰渣、中粗砂人工土、中粗砂、礫石。
- 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工藝能夠有效降解脫除煉油廢水中的氨氮，出水水質(zhì)可達到國家規定的排放標準。
- 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段對TN的去除率平均為44.;7%25;經(jīng)過(guò)B段后NH+4-N含量升高;使AB工藝對TN的總去除率降至35
- The hydrometer is an indirect method of estimating total nitrogen and phosphorus, while conductivity meter can estimate ammonia nitrogen and total potassium. 近紅外光譜分析法則可快速地預測總氮、銨態(tài)氮、硝態(tài)氮以及水分等含量，并且精度較高。
- Near infrared reflectance spectroscopy is being available for testing total nitrogen, ammonia nitrogen, nitrate nitrogen and moisture with high precision. 因此，可以用比重計法、電導儀法以及近紅外光譜法快速預測畜禽糞便中的肥料成分含量。
- The major pollution indicators in the Yangtze River system are petroleum and ammonia nitrogen. 長(cháng)江水系的主要污染指標是石油類(lèi)、氨氮和高錳酸鹽指數。與上年相比，水質(zhì)持平。
- In this article,the advances in studies on the treatment of ammonia nitrogen wastewater is introduced,and the research trend of this techni... 重點(diǎn)介紹了鳥(niǎo)糞石沉淀法處理氨氮廢水目前的研究進(jìn)展,并探討了該技術(shù)在今后的研究趨勢。
- A study on high ammonia nitrogen and low C/N ratio sewage reclamation using Self-forming Dynamic Membrane Bioreactor was presented in this thesis. 本文采用自生生物動(dòng)態(tài)膜反應器工藝來(lái)處理高氨氮、低碳氮比污水,著(zhù)重研究動(dòng)態(tài)膜生物反應器中氨氮的硝化情況。
- The ratio of isoparametric discharge pollution loading was applied to assess the environmental impact of ammonia nitrogen on the surface water bodies. 應用污染物等標排放負荷比進(jìn)行農業(yè)非點(diǎn)源氨氮污染環(huán)境影響評價(jià)。
- I bought a pair of tan leather shoes the other day. 前幾天我買(mǎi)了雙棕褐色的皮鞋。
- The result showed that phytoplankton,bacteria,ammonia nitrogen and nitrite nitrogen have different pollution level in different water. 通過(guò)分析，浮游植物、細菌、非離子氨和亞硝酸鹽氮等因子在不同的水體中表現出不同程度的污染。
- The performances of different powdered zeolites for removing low-concentration ammonia nitrogen from water were compared through batch experiments. 通過(guò)靜態(tài)試驗比較了不同產(chǎn)地粉末狀沸石去除水中低濃度氨氮的性能。
- In this paper the removal efficiency of MBR to organic matters and ammonia nitrogen is investigated by operation mode of intermittence aeration. 主要通過(guò)間歇曝氣的運行方式來(lái)考察MBR對有機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. 在分析鹽河淮陰段氨氮污染的特征后,對氨氮的來(lái)源進(jìn)行了研究。
- 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. 以佛山市雅瑤涌為研究實(shí)例,探討了珠江三角洲河網(wǎng)地區圍內河涌氨氮污染的特征,并對氨氮的來(lái)源進(jìn)行了研究。
