氮的硝化 的英文怎麼說

中文拼音 [dàndexiāohuà]
氮的硝化 英文
nitrification
  • 氮 : 名詞[化學] nitrogen （7號元素, 符號n）
  • 的 : 4次方是 The fourth power of 2 is direction
  • 硝 : Ⅰ名詞（硝石） nitre; saltpetre Ⅱ動詞（用樸硝或硭硝加黃米面處理毛皮） taw
  1. The rhizosphere microflora dynamics of bacteria, actinomyces, fungi and four bacterial physiological groups of kentucky bluegrass under different quality of illumination were studied by adopting selective culture medium to explain scientifically response regular of this grass to different illumination condition

    摘要研究了草地早熟禾在不同光照條件下其根際與非根際細菌、真菌、放線菌以及氨化細菌、硝化細菌、好氣性纖維素分解菌、固氮菌生理類群的區系動態變化，擬從根際土壤微生物數量變化方面來闡述草地早熟禾對不同光照條件的響應規律。
  2. ( 6 ) 4, 6 - diamino - 5 - nitrobenzofuroxan is designed to synthesis from trichlorobenzene through nitration aminatiom azidation and thermal decomposition. this compound is a new explosive. but we only got the intermediates of the first and second steps ( nitration, amination ) because the limit of time

    （ 6 ）從均三氯苯出發，設計經硝化、氨化、疊氮化和脫氮四步合成4 ， 6 -二氨基- 5 -硝基苯並氧化呋咱，這是未見文獻報道的新化合物，不過由於時間關系，我們只得到氨化這一步的中間產物即3 ， 5 -二氨基- 2 ， 4 -二硝基氯苯，這也是個未見文獻報道的新化合物。
  3. The nitrogen fixation in alpine meadow ecosystem is mainly accomplished by anaerobic nitrogen fixing bacteria. both ammonification and nitrification are the highest in 0 cm 10 cm soil depth

    從不同植被類型土壤的表層中各生理群菌數的平均值來看，反硝化細菌的數量最高，嫌氣性自生固氮菌次之，再次為氨化菌和硝化菌。
  4. The order of four soil biochemical intensity being sensitive to heavy metal pollution indicated as : nitrification > nitrogen fixation > decomposition of cellulose > ammonification. however, soil microbial biomass c : n ratio increased with the increasing of heavy metals level

    幾種生化作用強度的下降順序為硝化作用固氮作用纖維素分解強度氨化作用；但土壤微生物生物量碳氮比則隨著重金屬污染水平的升高而增加。
  5. 1. ecological effects of long - term organophasphate pesticides contamination on soil microflora the long - term effects of organophosphate pesticides contamination on soil microflora were investigated in the present study. little difference in total counts of bacteria, actinomycetes and fungi was observed between the contaminated and the non - contaminated soil. compared with the control there were a slight decrease in total counts of free - living nitrogen - fixer and denitrifying bacteria and a significant increase in those of ammonifying and ammonia - oxidizing and nitrifying _ bacteria in the methylparathion contaminated soil

    一、甲基對硫磷長期污染對土壤微生物的生態學效應研究了有機磷農藥甲基對硫磷長期污染對土壤微生物的影響，實驗表明：土壤細菌、放線菌、真菌總的數量影響不大；自生固氮菌和反硝化細菌數量減少；氨化細菌、亞硝化細菌、硝化細菌的數量在污染土壤中卻有所增加；與對照土壤相比，污染土壤呼吸作用下降了29 . 93 ；氨化作用和硝化作用強度得到增強。
  6. 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 。
  7. Effect of nitrate concentration on phosphorus removal in denitrifying dephosphatation system

    硝氮對反硝化除磷系統效率的影響
  8. Determination of the abilities of denitrification of denitrifying bacteria in electrode - biofilm reactor

    電極生物膜反應器中異養反硝化菌脫氮能力的測定
  9. The dynamic change of nh4 +, no3 - and tn, under the situation which urea was applied in the high fertility paddy - field in yuhang of hangzhou city with a lysimeter which was designed and made by ourselves, was studied and analyzed in order to find the rules of the change in the water - body of surface and the leakage rule of nitrogen, to reduce the effect of nitrogen loss on the water pollution

    藉助自行設計製作的稻田滲漏計，在杭州餘杭對高肥力稻田不同施用尿素氮肥情況下，稻田地表水和滲漏水中銨態氮、硝態氮和總氮（簡稱三氮）的動態變化規律進行了研究分析，以利於發現氮素在地表水體變化和淋失規律，盡量減少氮素淋失對地下水體所造成的影響。
  10. Nitrous oxide pollution of the atmosphere occurs usually from the nitration of cellulose and other organic materials.

    大氣中的一氧化二氮污染通常由纖維和其他有機物質的硝化作用產生。
  11. Nitrogen loss in internal - loop granular sludge bed nitrifying reactor

    內環流顆粒污泥床硝化反應器的氮損失
  12. Chemical analysis of sulphuric acid and oleums. determination of nitrous nitrogen and nitric nitrogen

    硫酸和發煙硫酸的化學分析.硝態氮的測定
  13. Pyroxylin plastic, storage of

    低氮硝化纖維素塑料的存儲
  14. The reaction mechanics, operation conditions and influence factors of anaerobic ammonium oxidation ( anammox ) for biological nitrogen removal are summarized, and feasibility of anammox with sharon and potential of anammox are also reviewed

    摘要綜述厭氧氨氧化微生物脫氨的反應機理、運行條件及影響因素，介紹厭氧氮氧化輔以中溫亞硝化生物脫氮的可行性，以及厭氧氨氧化的發展前景。
  15. 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。
  16. The two methods correlation of ammonia - oxidizers and nitrite - oxidizers are 0. 9593 and 0. 9823, respectively. compared with the conventional mpn method, int dehydrogenase method is more rapid, simpler, and easily operated. the detection periods were shorten from 4 weeks of mpn to 2 days. the int dehydrogenase is a pragmatic method for rapid detection of nitrifying bacteria

    採用硝化細菌的偶氮鹽（ int ）還原計數檢測法對活性污泥的硝化細菌進行檢測，所得的結果與傳統的mpn ? griess法檢測值有著很好的相關性， int法檢測周期為2天，具有快速、簡便、操作容易等優點，是一種有推廣價值的硝化細菌快速計數檢測方法。
  17. With the low irrigation water, the content of no3 - - n was lower in the upper layer of soil, and higher in deeper soil layers

    土壤硝態氮的變化趨勢為，灌溉施肥灌水量低時，上低下高；增加灌水量降低了土壤中硝態氮含量。
  18. Nitrification, performed oxidation of ammonia to nitrate by nitrifying bacteria is a key process in the cycling of nitrogen and an impotent component of modern wastewater treatment

    由硝化細菌催化氨氮氧化的硝化作用是氮循環的關鍵步驟，也是現代污水處理廠生物處理氨氮廢水的重要環節。
  19. In 1986, he confirmed his suspicion that blood vessels can make nitric oxide, the active ingredient in nitroglycerin, a common drug used to treat heart conditions

    一九八六年，他證實了自己的假設，確定血管能夠製造一氧化氮。一氧化氮是硝化甘油中的活性成分，而硝化甘油則是一種經常被用來治療心臟病的藥物。
  20. We use time domain reflectometry ( tdr ) to simultaneously estimate volumetric soil water content, soil solution electrical conductivity, and soil nitrate concentrations in combination with porous ceramic cup solution samplers to follow no3 - n transport in soil exposed to different irrigation, fertilizer quota and temperature. the experiment was conducted with nondestructive soil colums

    本研究中以原狀土為研究對象，利用時域反射技術隨時測定土壤含水量和電導率的特點結合多孔陶瓷杯抽濾技術，研究在不同灌水、施肥和溫度下硝態氮的變化。
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