氮污染 的英文怎麼說

中文拼音 [dànwūrǎn]
氮污染 英文
nitrogen pollution
  • 氮 : 名詞[化學] nitrogen （7號元素, 符號n）
  • 污 : Ⅰ名詞（臟水; 臟物） slops; sewage; dirt; filth Ⅱ動詞（弄臟） defile; dirty; smear Ⅲ形容詞1 （臟）...
  • 染 : Ⅰ動詞1 （用染料著色）dye 2 （感染） catch [contract] （a disease） 3 （沾染） acquire （a bad hab...
  • 污染 : pollute; contaminate
  1. 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。
  2. 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。
  3. 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。
  4. One of wetland s function is to filter the pollutants. when the river goes through wetland with pollutants, the hydrophyte will slow down the speed of the stream and attract heavy metal so that those pollutants will steep in the ground. the chemical reaction of nitrogen and phosphorus from those water plants prevent water from oxidation

    濕地具有過濾污染物的功能，當河水挾帶著污染物流經濕地時，濕地上的水生植物，會使水流速度減緩，吸附重金屬，且讓污染物沈澱在濕地的底部，並藉著植物留存氮和磷，來預防水質優氧化。
  5. Management of n in agricultural ecosystem is one of the most essential factors for agricultural sustainability. injudicious use of nitrogen fertilizer has induced a crucial environmental problem, which includes volatilization of nox to the atmosphere, acid rain, induced leaching of soil nutrients, changes in the global n cycle, and nitrate pollution of groundwater

    農田生態系統中長期單一、過量偏施化學肥料特別是化學氮肥，造成農產品品質下降，肥料利用率低，不僅增加了農業生產成本，還嚴重污染環境，已成為農業可持續發展的一個重要制約因子。
  6. 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。
  7. Application of photocatalytic process in degrading inorganic nitrogenous pollutants

    光催化技術在降解無機含氮污染物方面的應用
  8. The watershed ' s worst problem is nutrient pollution, which is caused by the overabundance of the nutrients, nitrogen and phosphorus

    分水嶺面臨更嚴重的問題，來自營養物的污染，這些營養物污染源自營養物質、氮和磷的過量排放。
  9. Stationary source emission. determination of nitrogen oxid. n 1 - naphtye - ethylenediamine dihydrochloride spectrophotometric method

    固定污染源排氣中氮氧化物的測定.鹽酸萘乙二胺分光光度法
  10. Standard practice for cone penetrometer technology characterization of petroleum contaminated sites with nitrogen laser - induced fluorescence

    帶有氮激光感應熒光的石油污染位點的錐形透度計技術特性的標準操作規程
  11. 67 - 154. 02 % ( no determinate in paddy field on quaternary red clay ), respectively. after organic amendments and fertilizers were added to the metsulfuron - methyl - contaminated soils, microbiai biomass c increased by 0. 23 - 113. 14 % in paddy field on desalting muddy polder, 0. 30 - 46. 48 % in blue clayed paddy, and 1. 82 - 83. 76 % in paddy field on quaternary red clay, respectively, microbiai biomass n in correspoading soils by 4. 27 - 67. 87 %, 5. 43 - 58. 36 % and 5. 05 - 95. 40 %, respectively, and microbiai biomass p by 6. 03 - 139. 59 % 4. 09 - 141. 26 % ( no determinate in paddy field on quaternary red clay ), respectively

    （ 4 ）添加有機、無機物質后，勞去津除草劑污染的三種土壤中微生物生物量碳、氮隨培養時間變化的趨勢基本一致，即0 ~ 7d微生物生物碳、氮降低，但第7d時，添加有機、無機物質的處理中微生物生物量碳、氮均高於僅加養去津的處理和空白對照; 7 ~ 14d微生物生物量碳、氮迅速增加; 14 ~ 42d又下降， 42d后變化較小。
  12. No marked nitrate pollution in the groundwater was found, mainly because the nitrate transport to underground water was impeded by the heavy clay soil

    地下水中的硝態氮污染現象不顯著，主要由於土壤質地黏重，阻礙了硝態氮向地下水中的運移。
  13. Abstract : the paper summarized the present situation of nitrate pollution in some area of our country where the surface water, underground water and vegetable crop were polluted by using nitrogen excessively, put forward some proposals and control countermeasures to prevent the nitrogen pollution in agriculture ecology environment such as draw up the " pollution prevention administrative stipulate for farm land fertilizer application "

    文摘:概述了我國部分地區因過量施用化肥氮而導致對地面水、地下水及蔬菜造成硝酸鹽污染的現狀；提出了制定《農田施肥污染防治管理規定》等防止農業生態環境氮污染的對策意見。
  14. Analysis on nitrogen pollution of panjin section of liaohe river

    遼河盤錦段氮污染源解析
  15. Research of recession flow on the loess slope and its nitrogen pollution

    黃土坡面退水及其氮污染試驗研究
  16. Based on the analysis of multi - yea ' s water quality and volume in xingtai, this article obtains that the main influence factors on groundwater quality is the area pollution induced by rainfall infiltration, of which most serious pollution is nitrogen pollution

    通過對邢臺市多年水質水量資料的分析得出，對地下水水質的影響因素主要為通過降雨入滲補給而形成的面污染，在面污染中的氮污染對水質影響最嚴重。
  17. Situation of nitrogen pollution in water bodies in suzhou region

    蘇州地區水體氮污染狀況
  18. No - 3 contamination of groundwater and preventable measures in the high distributive district of esophagus cancer in linzhou and anyang

    安陽地區食管癌高發區地下水氮污染及防治措施
  19. Ligang xu, jingsong yang, qi zhang, hailin niu. modelling water and salt transport in a soil - water - plant system under different groundwater tables. water and environment journal

    李正兆，高海鷹，張奇，徐力剛.撫仙湖流域典型農田區地下水硝態氮污染及其影響因素.農業環境科學學報
  20. Studies on nitrogen pollution characterstics in hangzhou section of the qiantang river

    錢塘江幹流杭州段水體氮污染特徵分析
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