nitrite nitrogen 中文意思是什麼

nitrite nitrogen 解釋
亞硝酸鹽氮
  • nitrite : n. 【化學】亞硝酸鹽[根、酯]。
  • nitrogen : n 【化學】氮,氮氣。 nitrogen chloride 三氯化氮。 nitrogen cycle 氮循環。 nitrogen dioxide 二氧化...
  1. Strain hn could ammonize organic nitrogen compounds and nitrify ammonia itself when it grew on acetamide companying the formation of ammonia and nitrite

    該菌株能以乙酞胺為唯一碳源和氮源進行氨化作用和硝化作用並產生亞硝酸。
  2. Results showed that in the water body of xizi lake, annual average of culturable planktonic ammonifiers and nitrogen fixers were 510 and 236 cfu / ml, respectively ; ammonia oxidizers, nitrite oxidizers, nitrate reducers and denitrifiers were 8. 5, 16, 587 and 16 mpn / ml, respectively ; inorganic phosphate solubilizing bacteria ( 1pb ) and organic phosphorus mineralizing bacteria ( opb ) were 89 cfu / ml and 37 mpn / ml, aerobic and anaerobic cellulose decomposers were 7 and 5 mpn / ml, respectively

    水體中可培養異養細菌(氨化細菌)和固氮菌的年平均值分別為510和236cfu ml ,氨氧化細菌、亞硝酸氧化細菌、硝酸鹽還原菌和脫氮菌的數量分別為8 . 5 、 16 、 587和16mpn ml ;無機磷和有機磷分解菌分別為89cfu ml和37mpn ml ;好氧性纖維素分解菌和厭氧性纖維素分解菌只有7和5mpn ml 。
  3. Method study of fast field analysis of nitrite nitrogen in water and waste water

    水和廢水中亞硝酸鹽氮的現場快速分析方法研究
  4. This course demonstrate the important sorts of wastewater analysis, it includes chemical oxygen demand ( cod ), biochemical oxygen demand ( bod ), suspended solids ( ss ), volatile suspended solids ( vss ), ammonia nitrogen, organic nitrogen, nitrite nitrogen, nitrate nitrogen, orthophosphate, total phosphate, sulfate, and sulfide

    本課程包含污水分析重要項目的原理解說及實驗分析,分析項目包括:化學需氧量、生化需氧量、懸浮固體物、揮發性懸浮固體物、氨氮、有機氮、亞硝酸鹽氮、硝酸鹽氮、正磷酸鹽、總磷、硫酸鹽及硫化物。
  5. The potential for river eutrophication was originally measured by seven nutrient parameters : ammonia - nitrogen, nitrite - nitrogen, nitrate - nitrogen, total kjeldahl nitrogen, ortho - phosphate, total phosphorus, and silica. more recently, in 2001, two further parameters relating to eutrophication were added. these are the plant pigment parameters of chlorophyll - a and pheo - pigment

    多年來我們根據七項營養參數水平來評估河水富營養化的可能性:氨氮亞硝酸鹽氮硝酸鹽氮總凱氏氮正磷酸鹽總磷量及硅,於2001年我們增加了兩項關于富營養化的植物色素新參數:葉綠素- a及葉綠素分子色素。
  6. However, except nitrate, the nitrogen concentration including nitrite, ammonia, don, pn and tn in spring 1998 were higher than those in autumn 1997, with the average concentration of 4. 9714. 65, 0. 67 ?. 20, 0. 7210. 30, 9. 2516. 88, 7. 3014. 42 and 22. 9 ? 0. 2 mol / dm3 in autumn, and 4. 5812. 39, 0. 70 + 0. 14, 2. 2611. 05, 9. 8814. 92, 7. 8816. 21 and 25. 318. 94 mol / dm3 in spring, respectively. the n / p ratio in autumn 1997 was 13. 217. 54 in average which a little lower than redfield ratio, nevertheless in spring 1998 the value was as high as 25. 6113. 0, much hi gher than redfield ratio. there shows a clear seasonal variation of phosphorus structure in two seasons, but the nitrogen structure almost unchanged

    兩個季節海水中磷的結構變化明顯,秋季磷主要以pp ( 54 )為主,而春季長江口營養鹽、石油烴對海洋生態系統影響及動力學研究主要以po4一p ( 51 % )為主;兩季節氮的結構基本一致,溶解氮都以don為主,分別為40 %和39 % :秋季no3一n比例較春季略高( 22 % ) ,而春季nh4一n比例較秋季略高( 9 % ) 。
  7. Nitrogen removal by denitrification from nitrite

    亞硝酸鹽反硝化脫氮
  8. Water quality - determination of nitrite - nitrogen gas - phase molecular absorption spectrometry

    水質.亞硝酸鹽氮的測定.氣相分子吸收光譜法
  9. Improvement of the method for rapidly determinating minor nitrite nitrogen in environmental water body

    環境水體中的微量亞硝酸鹽氮快速測定方法的改進
  10. Water quality - determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis cfa and fia and spectrometric detection

    水質.用流量分析法cfa and fia和光譜檢測法測定亞硝酸氮和硝酸氮及兩者總含量
  11. Considering that this way may result more nitrite nitrogen, it really needs to add chlorines regularly before recovery with duration 30 days in summer and 60 days in winter

    考慮到濾前加氨會導致濾后水產生過多的亞硝酸鹽氮,因此需要定期恢復前加氯。恢復前加氯的周期為夏季30天左右,冬季60天左右。
  12. The changes of the three aspects have the cause - and - effect relationships : changes of soil moisture and temperature were affected directly by the farming practice, subsequently, the content of soil nitrate nitrogen was affected by the former changes, ultimately, the soil nitrate reductase ( nr ) and nitrite reductase ( nir ) activities were affected by the formers

    由通徑分析的路徑系數比較,土壤含水量( 0 . 3604 )土壤溫度( 0 . 3091 )硝態氮含量( 0 . 1212 ) ,並共同作用於土壤硝酸還原酶活性。 2冬小麥的不同生育期地膜覆蓋的農作措施顯著的增加了土壤中n _ 2o排放通量。
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