nitrification 中文意思是什麼

nitrification 解釋
氮的硝化作用
  1. Acclimation in partial nitrification process of long mcrt

    亞硝化系統的污泥適應性
  2. 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。
  3. 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。
  4. The contents of organic matters, tn and tp in sediment layer from 0 - 20cm also decreased after 2 months of harvested, but nh / - n and no3 - - n increased due to the amelioration of transperancy and aeration, which accelerated ammonification and nitrification

    2個月以後，收割區底泥0 - 20cm深度范圍內有摘要機質、 tn 、 tp含量明顯下降，收割改善了濕地的通風、透氣條件，促進了氨化和硝化作用的發生，使底泥中nh擴一n和n島一n含量上升。
  5. The respiratory intensity of the contaminated soil decreased by 29. 93 % while ammonification and nitrification increased significantly than that of control soil. 2. extraction and purification of soil microbial total dna a method of extracting soil total dna was developed, and it can extract dna from g + bacteria

    二、土壤微生物總dna的提取和純化方法研究為了採用不依賴于培養的16srdna分析的方法研究有機磷農藥長期污染對土壤微生物群落結構的影響，建立了從土壤中提取總dna的方法，並通過改進使適合於對革蘭氏陽性菌的提取。
  6. Seven plots selected from wanglang reserve were distributed in different types of forest and at different altitude, and different plot has different microclimate. soil property, microbial population, soil nutrient content of forest soil were determined in wanglang natural reserve, from may to october 2002 to july 2003, the ecological distribution of three main groups, bacteria, actinomycete and fungi were determined in the forest soils by the cell enumeration methods. six kinds of physiological groups, including ammoniation bacteria, nitrification bacteria, nitrosification bacteria, aerobic autogenesis azotobacter, aerobic cellulose - decomposing bacteria and anaerobic cellulose - decomposing bacteria were enumerated by the most - probable number ( mpn )

    2001年10月在王朗自然保護區內設立了3個定位研究樣地和4個臨時樣地，通過多次現場采樣與室內實驗分析，測定了白樺林、岷江冷杉林、紫果雲杉林、繡線菊-羊茅群落、羊茅群落及高山柳灌木叢等6種不同植物群落內土壤微生物三大類群數量、功能微生物數量、土壤養分，並在固定樣地內使用埋袋法進行了三個埋藏深度的凋落物分解袋試驗，初步研究了枝條、闊葉、針葉等凋落物組分在不同分解階段所含養分的動態變化。
  7. The number of mold, bacteria, culturable microorganisms, aerobic nitrogen - fixing bacteria, anaerobic nitrogen - fixing bacteria, aerobic cellulose decomposition microbes, anaerobic cellulose decomposition microbes were the most in 16 - year - old organic tea garden, and the biomass carbon and nitrification of edaphon were also the strongest

    黴菌、細菌、可培養微生物總量、好氣性自生固氮菌、嫌氣性自生固氮菌、好氣性纖維分解菌、嫌氣性纖維分解菌均以16年生茶園最多，土壤微生物生物量碳和硝化作用也以16年生茶園最強。
  8. Flumiclora - pentyl was prepared from p - fluorophenol as starting material via several steps such as chlorination, nitrification, reduction and condensation. the yield of the product was 50 %, and the purity was higher than 97 %

    摘要以對氟苯酚為原料，首先與氯氣發生反應，生成2 -氟4 -氯苯酚，再經過硝化、還原、縮合等幾步反應得到氟胺草酯，反應總收率達到50 % ，產品純度大於97 % 。
  9. Because there are a great quantity ' s heterotrophic bacteria in the breeding pool, which will have the repulsion action to the insufficient quantity ' s nitrifier and prevent the nitrification, the situation will bring the accumulating of nitrite which is the middle substance of nitrification in water, the long term accumulated nitrite can debase fish and shrimp ' s disease - resistant and decrease the growth and even die

    由於養殖池中存在大量的異養菌，受到異養性細菌排斥，本身無足夠數量的硝化菌，硝化作用往往受阻，結果就會引起硝化作用的中間產物亞硝酸鹽在水體內的累積、亞硝酸鹽長期蓄積會使魚蝦等抗病力降低、生長受阻、嚴重者中毒死亡。
  10. The content of mineral nitrogen content ( nh4 + - n + no3 - n ) decreased during the incubation period after applying nh4 + - n fertilizer and urea. it maybe relates to the nh4 + - n fixation, volatilization, and its nitrification. ( 4 ) fertigation by drip irrigation increased the n uptake and accumulation of dry matter of summer maize, and improved the activity of crop photosynthesis

    與滴灌施用硝態氮肥相比，施用銨態氮肥和尿素后在培養期間土壤礦質態氮（ n03一n + nh獷一n ）的含量有降低的趨勢，降低的原因可能與nh4 +一n在土壤中的固定、揮發及硝化等過程有關。
  11. The height of media 、 the ratio of gas to liquid 、 hydraulic loading 、 the organic and ammonia loading of influent are the key factors influence the performance of one - stage aerobic baf. the conclusions of the experiment are as following : the best height to remove the organic matter and ammonia is at 60cm 、 120cm from the influent side respectively. the best ratio of gas to liquid is 3 : 1 4 : 1 ; the organic and ammonia loading of influent have litlle influence on the performance of one - stage aerobic baf when the concentration are low ; whe the ratio of gas to liquid is 3 : 1, the ammonia loading is blow 0. 87kgnh _ 4 ~ + - n / m ~ 3. d, the enfluent concentration of ammonia is blow 5mg / l which satisfies the water reuse standard ; at different organic loadings, the removal of organic matter keeps 35 % 45 %. hypothermia is unfavourable to nitrification for one - stage aerobic baf to removel ammonia, the influent concentration of ammonia can ’ t satisfy the water reuse standard

    試驗表明:對有機物的去除主要發生在進水端60cm內，對氨氮的去除主要發生在進水端120cm內;曝氣生物濾池運行的最佳氣水比為3 : 1 4 : 1 ;在進水有機物和氨氮濃度比較小時，水力負荷對其去除率影響不大;在氣水比為3 : 1 ，進水氨氮負荷小於0 . 87kgnh4 + - n / m3 （濾料） ? d時，出水氨氮小於5mg / l ，滿足回用水的要求;在不同有機負荷下，有機物去除率保持在35 % 45 % 。
  12. Effects of free ammonium and ph on partial nitrification process

    污水生物亞硝化的影響
  13. Influence of do on nitrification of municipal wastewater with low c n ratio

    比污水生物亞硝化的影響分析
  14. A o pilot - scale nitrogen removal process treating domestic wastewater. the study of short - cut nitrification and denitrification

    泥齡對反硝化除磷脫氮系統效率的影響分析
  15. Study of factors influencing ammonia nitrification

    氨氮生物硝化過程影響因素研究
  16. Nh4c did not accumulate in the marsh, and no significant differences were observed between the river and the marsh water, while the no3 contributed by the river water was depleted within the marsh, caused probably by coupled nitrification - denitrification at the sediment ? water interface

    Nh4c不在濕地中積累，在河水和濕地水中沒有觀察到顯著差異，而由河水帶來的no3卻在濕地中耗盡，可能是由於成對的硝化和反硝化過程導致的。
  17. Thermo - lability ; nitrification ; low temperature ; biofilm activity

    熱不穩定性硝化反應低溫生物膜活性
  18. However, when the water temperatures were equal to or above 5, there was no sign of adverse effect of temperature rise on nitrification

    但當水溫不低於5時，溫度升高對硝化反應並沒有負面影響。
  19. The effect of temperature on nitrification in a two - stage baf system used for the treatment of ammonia - rich river water was investigated

    考察了溫度對處理氨氮較高的河水的兩級曝氣生物濾池系統中硝化反應的影響。
  20. After the short - cut nitrification was realized, chemical dosage could be saved and short - cut nitrification maintained by means of changing the chemical dosing method

    當短程硝化反應實現后，通過改變投藥方式可節省投藥量並維持短程稍化反應。
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