硝酸鹽中的氮 的英文怎麼說
中文拼音 [xiāosuānyánzhōngdedàn]
硝酸鹽中的氮
英文
nitrate nitrogen-
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 。When vitamin c reacts with nitrite in acid it forms nitric oxide. however, the nitric oxide can diffuse into fat ; react with oxygen to form nitrosamine - generating chemicals
當維生素c在酸性環境下與亞硝酸鹽反應時，生成一氧化氮。然而，一氧化氮能夠擴散到脂肪中去；與氧反應生成會產生亞硝胺的化學物質。Batch experiment on reduction of nitrate in water by nanoscale zero valent iron particles
納米鐵去除水中硝酸鹽氮的批試驗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 。Nicrate nitrogen and phosphate in liquid medium were quickly consumed at the lag phase of the growth, the consumption rate was 16. 71 g / ml d and 1. 67 g / m ) d, respectively ; but during the rapid - growth phase, its consumption rate was decreased
在毛狀根生長遲滯期內，培養基中的硝態氮和磷酸鹽的消耗較快，其消耗速率分別為16 . 71 g ml ? d和1 . 67 g ml ? d ；但在快速生長期，其消耗速率反而減慢。( 3 ) the treatment result of no2 - n is good. when the influent concentration of no2 - n is 0. 01 ~ 2. 23mg / l, the effluent is less than o. lomg / l and the influence of temperature, hydraulic loading the total ratio of gas and water is small
（ 3 ）生物濾池對亞硝酸鹽氮的去除效果比較好，試驗期間，水源水中亞硝酸鹽氮濃度范圍為0 . 01 2 . 23mg / l ，出水濃度一般低於0 . 10mg / l ，水溫、濾速、氣水比對亞硝酸鹽氮的去除無明顯影響。Putting the potassium permanganate into the filter can improve its effect, the removal of organics and ammonia is increased, the influent concentration can satisfy the water reuse standard. but the turbidity of influent is unsatisfactory. the c / n ratio is the key factor to influence the nitrogen - removal of the anoxic / aerobic two - stage baf when the reflux ratio 、 hydraulic loading and the ratio of gas to liquid in aerobic filter are fixed. the anoxic / aerobic two - stage baf has a good removal of organics at different c / n ratio when the reflux ratio is 2, hydraulic loading is 2. 55m ~ 3 / m ~ 2 ? h and the ratio of gas to liquid in aerobic filter is 3 : 1. the influent concentration of organics is blow 7mg / l. from the beginning to 30cm of the anoxic filter, the removal of the organics is significant ; as the c / n ratio increasing, the influent concentration of ammonia is decreasing. when the c / n ratio is 3. 60, the enfluent concentration of ammonia is 3. 05mg / l which satisfies the water reuse standard. when the c / n ration is less than 3. 60, because of the imperfection
迴流比為2 : 1 ，水力負荷為2 . 55m3 / m2 ? h ，好氧柱氣水比為3 : 1時試驗表明:不同的c / n （ 1 . 05 7 . 45 ）下，兩級曝氣生物濾池對有機物有很好的去除作用，出水有機物濃度小於7mg / l ，其中在缺氧柱進水端30cm內對有機物的去除最為明顯;隨著c / n的增加，系統出水氨氮濃度降低，當c / n為3 . 60時，出水氨氮濃度降到3 . 05mg / l ，已經滿足回用水的氨氮標準; c / n < 3 . 60時，因為缺氧柱的不完全反硝化，體系中硝酸鹽氮和亞硝酸鹽氮發生積累影響了好氧柱的硝化反應使氨氮降解效果較差;系統對總氮的去除隨著c / n的增加而增加，當c / n為3 . 60時，出水總氮已經降到11 . 18mg / l ，滿足回用水的要求。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Since the contamination of the original water, the pollutant in the water such as organic substance, ammonia nitrogen, algae toxin, finally nitrate, pelagic microbe and so on, whose concentration and species are becoming higher and more, deteriorate the quality of drinking water seriously
由於水源受到污染，水中的有機物、氨氮和硝酸鹽氮、藻類及毒素、浮遊動物等污染物的含量和種類不斷增多，嚴重影響了飲用水水質。Adding nitrogen in the form of nitrate fertilizer raised food production enough to ward off disaster
只要在硝酸鹽肥料中加入氮元素，那麼糧食的產量將得到大大的提高，足以擺脫饑荒的災難。Purifying water quality : the first will be through cell amine and ammonia nitrate into substance, then later nitrate into ammonia volatile substances, so as to achieve degradation of ammonia and some toxic and harmful substances, three - dimensional improvement of water quality, water color, improve transparency and efficiency of the effect of rapid detoxification, and the establishment of the ecological balance of water for aquaculture environment
凈化水質：首先通過菌體的活動將胺及氨類物質轉化成硝酸鹽，爾后再將硝酸鹽轉化成揮發性物質氨，從而達到降解水中氨氮及一些有毒有害物質，立體改善水質、水色、提高透明度，並具有高效快速解毒的功效，建立養殖水環境的生態平衡。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It is a serious issue that water and nitrogen input rates are unreasonable high in vegetable production in china, which may increase nitrate accumulation in vegetable and ground water contamination. in result, these will be harmful to people ' s health. the objectives of this paper which based on column % pot and micro - plot experiments were to compare the effects of different water and nitrogen supply strategies on nitrogen leaching in the soil profile and nitrate accumulation in vegetable as a base for the n and water recommendations in vegetable production
針對蔬菜生產中水氮投入過量造成蔬菜品質下降、地下水硝酸鹽含量超標，水、肥資源的浪費以及給人體健康造成的潛在性威脅的實際情況，以油菜和芫荽為研究對象採用模擬土柱、盆栽和田間微區試驗相結合方法系統監測了蔬菜生育期內硝酸鹽含量的動態變化以及收獲后不同土層土壤硝態氮的殘留量，研究了水氮對蔬菜硝酸鹽累積的影響及對土壤硝態氮殘留的效應。Water quality - determination of dissolved anions by liquid chromatography of ions - determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water
水的質量.用液態離子色譜法測定已溶解的陰離子.第2部分:在廢水中溴化物氯化物氮化物亞硝酸鹽正磷酸鹽和硫酸鹽的測定分享友人