氨氮 的英文怎麼說

中文拼音 [āndàn]
氨氮 英文
ammonia nitrogen
  • 氨 : 名詞[化學] （氮和氫的化合物） ammonia; hydrogen nitride
  • 氮 : 名詞[化學] nitrogen （7號元素, 符號n）
  1. Ammoniac nitrogen enters salt of nitric acid of the translate into after soil, the chroma when arriving at groundwater is less than 30 milligram / litre, far be less than the lowermost standard with drinkable groundwater

    氨氮進入土壤后轉化為硝酸鹽，到達地下水時濃度小於30毫克/升，遠小於地下水飲用的最低標準。
  2. The research indicates that the modern sediment is divided three layers : polluted layer, transition zone and unpolluted layer. just the pollute layer cause dianchi lake environmental pollution. the high value district of ammoniac nitrogen distributes near northern part haigeng mainly, middle part increase slightly, have most lower near southern part, the content of ammoniac nitrogen of the polluted layer sediment lower than the lower layer ; the high value district of effective phosphorus distributes near haikou - jinning, from the north to the south, the content of effective phosphorus increases progressively, the content of effective phosphorus of the polluted layer sediment obviously higher than the lower layer

    研究結果表明：滇池現代沉積物主要分為三層，污染層、過渡層和未污染的湖泊沉積層，其中污染層是對滇池環境污染造成影響的層位；氨氮的高值區主要分佈在北部海埂附近，中部略有增高，南部則最低，表層沉積物的氨氮含量低於下層；而有效磷的高值區則分佈在海口?晉寧附近，由北向南，有效磷的含量依次遞增，表層有效磷的含量要明顯高於底層。
  3. So the effect of eutrophication of dianchi lake of sediment ca n ' t be ignored. based on the research of modern sediemnt of dianchi lake, the thesis is concerned about some physical and chemical characteristics ( including magnetic susceptibility, ammoniac nitrogen and effective phosphprus etc. ) and thermodynamics analysis of spontaneous mineral of iron

    本論文主要以滇池現代沉積物為研究對象，對滇池現代沉積物的主要物理和化學性質（包括氨氮、有效磷、磁化率等） ，進行基礎性地分析研究並對滇池現代沉積物鐵的自生礦物進行了熱力學分析。
  4. On the base of degrading effect of cm, the paper investigated the correlation between microorganisms and nutrient salt in the water body. it showed that the correlation between ammonifying bacteria and nh3 - n was 0. 74 ; the correlations between nitrifying bacteria, denitrifying bacteria and no _ ( 3 ) - n were 0. 65, - 0. 53, respectively. the correlation between phosphorus bacteria and po _ ( 4 ) ~ ( 3 ) p was 0. 76

    根據復合微生物對水質的降解效果，選擇其使用量為2g時，對水體中微生物功能菌群與營養鹽含量的相關性進行了研究，其中氨化菌與氨氮，硝化菌與硝氮，磷細菌與磷酸鹽均成正相關關系，相關性r分別為0 . 74 ， 0 . 65 ， 0 . 76 。
  5. Study on anoxic - oxic mbr process for high - strength ammonia wastewater treatment

    好氧膜生物反應器處理高氨氮廢水的研究
  6. Toxicity of ammonia - n in babylonia areolata at different ph and salinity

    和鹽度下氨氮對方斑東風螺的毒性研究
  7. Study on the analysis in field of ammonia - nitrogen in seawater with indophenol blue

    現場分析海水中氨氮的靛酚藍法
  8. Chemical analysis of sulphuric acid and oleum. determination of ammoniacal nitrogen. spectrophotometric method

    硫酸和發煙硫酸的化學分析.氨氮測定.分光光度法
  9. With the domestic and foreign advanced oxidizing preconditioning ( it can remove ammonia and nitrogen organic material, humic acid, magnesium and hvm film ) separating technology, it separated solid precipitant from brine so as to obtain purified salt brine

    該工藝採用國內外先進的氧化預處理除氨氮有機物、腐植酸、鎂和hvm膜分離技術將反應生成的固體沉澱物從鹵水中分離出來，從而得到純凈的鹽鹵水。
  10. This is a product of the metabolism of warm blooded animals. it is an important indicator of contamination of water source. the ammonia nitrogen in the water is not toxic or poisonous to humans

    人畜等溫體動物代謝之產物，為水源是否受到污染的重要指標，水中存在氨氮對人體幾不具毒性，主要為味覺之困擾。
  11. 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

    摘要文章對問題深入分析，採用模糊綜合評判方法，對水中溶解氧，高錳酸盆和氨氮含量進行分析，得到對水質綜合評價的數學模型。
  12. A past of high nh4 ( superscript + ) - n source water not biological treated was fed into bac filter after conventional treatment to enhance the nh4 ( superscript + ) - n concentration of bac filter influent water

    將一部分未經生物預處理的高氨氮原水經常規處理后進入生物活性炭濾池以提高活性炭濾池進水氨氮濃度。
  13. Ammonia - nitrogen removal from landfill leachate by chemical precipitation

    化學沉澱法去除垃圾滲濾液中氨氮的試驗研究
  14. The potential supply to phy ' toplankion nitrogen demand was smail in both ecosystems. 4

    但兩者的微型浮遊動物排泄的氨氮對初級生產力的貢獻都較低。
  15. This paper reviewed new progress of biosensor applying to environmental monitoring, including detection of arsenide, sulphide, insecticide and herbicide ' s remains, on - line monitoring of wastewater quality, measurement of bod and ammonia nitrogen, detection of phenol and odorous compounds, as well as monitoring of air and exhaust gas

    摘要綜述生物傳感器應用於環境監測的最新進展，包括對砷化物、硫化物和殺蟲劑及除草劑殘留物的檢測，對廢水水質的在線監側，對bod和氨氮的測定，對酚類和有氣味的化合物的檢測以及對大氣和廢氣的監測等方面。
  16. By analyzing the result of survey, we can find that din and nh3 in sea area of deep water net - cage culturing is more higher than other sea area, but the pollution is smaller

    摘要通過對箬跳、青山2個深水網箱養殖區的水質狀況的調查數據分析發現，養殖海區的無機氮和氨氮含量明顯升高，但是深水網箱養殖海區的總體污染狀況要比海區小。
  17. Pvc pipe, which is connected to filter tank for discharge. feed water passes the catalyst, through 7 loops around the tank to eliminate ammonia and nitrogen and kill bacteria

    管內，連接過濾槽出水，流入水經過二氧化鈦紫外線光觸媒裝置，藉以氧化?除氨氮及殺菌後排出。
  18. Effects of temperatures on ammonia - n excretion and energy utilization in pelteobagrus vachelli

    溫度對瓦氏黃顙魚氨氮排泄及能量利用的影響
  19. Excretion of phytoplanktonederived nitrogen by microzoopiankton was 2. 14mg / ( m ' - d ), which couid potentiaiiy supply 0. 2 % of phytoplankton nitrogen demand

    廈門西港微型浮遊動物的氨氮排泄率為2二4mg （ m 『 ? d ） ，對初級生產力的貢獻為0
  20. The effects of food concentration and diurnal photo period on the filtering and grazing rates a. pacific were discussed. the main results are showed as follows : 1. in the prawn cultivated pond, the year - round phytoplankton apparent growth rate ranged between 0. 181 ~ 1. 2888 d - 1

    主要分析了微型浮遊動物對浮游植物現存量和初級生產力的攝食壓力，微型浮遊動物的氨氮排泄率及其對初級生產力的貢獻，探討了實驗室條件下食物濃度和光周期對太平洋紡錘水蚤（ acartiapacifica ）濾食率和清濾率的影響。
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