氨氧化作用 的英文怎麼說
中文拼音 [ānyǎnghuàzuòyòng]
氨氧化作用
英文
ammoxidation-
A novel catalytic property of hemin is described. in ammonium buffer medium of ph 8. 08. 9, hemin has an ability to catalyze the decoloration of bromopyro - gallol red. oxygen dissolved in solution plays a role as an oxidant in the reaction. with sodium dodecylbenzenesulfonate and ethanol as effect - enhancing agents, the catalytic system obeys the michaelis - menten equation of enzymatic catalysis. the michaelis constant, catalytic constant and specificity constant of the system are estimated by lineweaver - burk plot to be 3. 710
在ph 8 . 08 . 9氨性緩沖介質中, hemin催化溶解氧氧化溴鄰苯三酚紅的褪色反應。在sdbs和30 %乙醇的增效作用下,催化體系服從michaelis - menten方程。用lineweaver - burk作圖法求得米氏常數催化常數和專一性常數分別為3 . 710The complex formed by cnbr - activated alginate and antibody is aggregated to the surface of the paraffin - graphite - chitosan electrode by electrostatic adsorption ( coacervation ). the concentration of sjag can be detected by determining the redox current of o - aminophenol, which oxidized by h2o2 in the presence of hrp. moreover, the immunosensor shows some improved performances including high sensitivity, selectivity and less non - specific adsorption
褐藻酸鈉?抗體復合物通過靜電吸附作用被凝集到含石墨?石蠟?殼聚糖組分的電極表面,然後與抗原和酶標抗原進行競爭反應,以鄰氨基酚為電子媒介,通過測定酶催化下雙氧水對其氧化的電流大小來間接測定抗原的濃度。In this paper, the relationship between cyanide - resistant respiration and expression of alternative oxidase ( aox ) using polyantibodies prepared by synthetic polypeptide in mung bean seedling, as well as the effects of vernalization on cyanide - resistant respiration and expression of aox in winter wheat were studied respectively. in the first part, twelve peptides, including eight conservative amino acid residues in the amino acid sequence of hydrophilic s helix of aox. were synthesized by solid - phase method
第一部分,我們按照交替氧化酶( alternativeoxidase , aox )位於線粒體內膜外側親水區s螺旋的氨基酸序列,用固相法合成由12個氨基酸殘基組成的多肽,將此多肽與-牛胰凝乳蛋白酶原a相連,用作半抗原,免疫家兔制備人工合成12肽的抗體。Ammoxidation oxidative ammonolysis
氨氧化反應作用Anaerobic ammonium oxidation ( anammox ) is a newly discovered process in nitrogen cycle in aquatic systems, and it plays a significant role in the conversion of nitrogen
厭氧氨氧化過程是水生生態系統氮循環中的氮轉化新途徑,並在自然界氮素的轉化過程起著重要的作用。However, the research on the ecological characteristics of anammox bacteria and the application of anammox process in bioaugamentation of environmental pollution is still at the beginning
但對于這一過程中起作用的微生物厭氧氨氧化菌的生態學特性以及這一過程在環境污染物微生物修復中的應用研究還僅僅是一個開端。Based on the previous studies, the research in this paper was carried out, mainly including two parts as follows : ( 1 ) anammox bacteria and aerobic ammonia oxidizers were detected in situ in 6 sediment samples taken from jiangsu province. molecular techniques, such as fish, pcr, dna cloning and sequencing etc. were used for this purpose. ( 2 ) the continuous cultivation of anammox bacteria from sediment samples were studied, which provides experimental basis for the bioaugamentation of eutrophicated sediment applying anammox process
本論文在前人研究的基礎上,開展了以下兩個方面的工作: ( 1 )採用分子生物學技術熒光原位雜交( fish ) 、多聚酶鏈式反應( pcr ) 、 dna克隆和測序等對采自江蘇省蘇州市、東太湖、新沂河等6個底質樣品進行了厭氧氨氧化菌和傳統氨氧化菌的原位檢測; ( 2 )探討了以底質作為接種體進行厭氧氨氧化菌富集培養的可行性,為天然底質環境中厭氧氨氧化過程的強化,富營養化底質微生物修復的可行性提供一定的依據。Amino acids can be broken down by oxidative deamination
氨基酸可以被氧化脫氨基作用分解。Thioredoxins, an ubiquitous small proteins with a redox active disulfide bridge in its conserved motif - cp ( g ) pc -, are universally distributed in eucaryote and procaryote and have a molecular mass of approximately 12kda. by its disulfide / dithiol interchange reaction, this protein can transmit the regulatory signals to seleted targets ( enzymes, transcription factors etc ) and plays an important role in many plant physiological processes that includes photosynthesis, dna synthesis, transcription, protein disulfide reduction, protein repair, filamentous phage assembly, cell apoptosis and seeds germinating and so on
該蛋白質中含有保守的- cp ( g ) pc -氨基酸活性基序,該基序中的兩個半胱氨酸殘基可通過巰基二硫鍵的轉換實現其氧化還原狀態的變化和電子氫的傳遞,對細胞中與氧化還原相關的多種生理過程的調節起重要作用。通過同許多酶類、蛋白類、細胞內活性因子相藕連, trx能對光合作用、 dna復制、基因轉錄、細胞凋亡和生長、噬菌體組裝、蛋白質的還原和修復信號傳導等生理過程產生影響和調節。This paper stuffed with twelve important grain and vegetable crops, studied the injury symptom, dose reaction, injury threshold value and influential factor of main pollutant so2 on various plants, tested the dynamic transformation of pod, cat, mda, soluble protein, free pro and chlorophyll of resistant plant and sensitive of these physiological biochemical transformation with plant resistant ability. meanwhile, simply studied the protective role of the five compounds on plant. the result indicated the followings
本實驗以12種重要的糧食和蔬菜作物為研究對象,研究了主要大氣污染物二氧化硫( so _ 2 )對不同植物的傷害癥狀、劑量反應、傷害閾值以及影響因素,測定了抗性和敏感植物在受到so _ 2污染后植物體內過氧化物酶( pod ) 、過氧化氫酶( cat ) 、丙二醛( mda ) 、可溶性蛋白質、游離脯氨酸和葉綠素的動態變化,並分析了這些生理生化變化和植物抗性的相互關系,同時還對5種化合物溶液對植物的保護作用進行了初步研究,結果表明: 1The vasomotion was induced by noradrenaline na in vivo, then the changes of vasomotion after injecting si and ngmonomethyllarginine lnmma, a no synthase inhibitor were measured respectively on a tv monitor using a tv camera mounted on the microscope, and the influence of lnmma on effect of si was also observed
在活體情況下運用去甲腎上腺素noradrenaline , na血管運動誘導法誘導出血管運動,分別觀察靜脈注射g單甲基精氨酸gmonomethyllarginine , lnmma si后血管運動的變化及應用一氧化氮合酶抑制劑lnmma對si作用的影響,攝錄結果於監視器上用暫停功能測量。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。Using o - aminophenol as a substrate, hrp as label, a competitive immunoassay is used to determine the concentration of the analyte. we also reported the cyclic voltammetric behavior of 1 - o - allyl - 4 - hdroxy - anthraquinone ( oahaq ) and the preparation and electrochemical characteristics of electrode modified by 2 - pyridinamine
以辣根過氧化酶作為標記物,鄰-氨基酚作為酶催化反應的底物,採用一個競爭性免疫分析來確定待測抗原(或抗體)的濃度。The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion
本文的實驗主要是在天津芥園水廠的中試系統上完成的,論文的成果和結論主要包括: 1 )通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種; 2 )中試實驗確定粉末活性炭的較佳投加點為混合池投加,較佳投加量為10mg l ,此時可使濾后水的cod _ ( mn )降低40 ,且可較好地控制濾后水的嗅味和色度; 3 )初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內,投量增大時可吸附部分分子量大於6000的有機物4 )中試實驗表明:粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果,且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用; 5 )研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響:粉末活性炭的氧化改性會使其表面的酸性官能團大量增強,表面極性增加;經20的過氧化氫改性的活性炭在增大混凝劑投加量( fecl _ 3投量為15mg l )時對有機物的總體去除效果較原活性炭提高12 , 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ; 6 )研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響:經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ;負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力,一般可提高8左右。This review focuses on morphological and physiological reactions of fruit tree to water stress. leaf area, root growth and microstructure of leaves and roots were investigated. some physiological and biochemical index of fruit tree leaves and roots under water stress, such as variations of stomatal aperture, photosynthesis, photoinhibition, metabolism of lipoxygenase, content of proline, nuclear acid and endogenous phytohormones, were summarized
從水分脅迫對果樹葉、根的形態指標及顯微結構,葉片氣孔行為、光合作用、光抑制、活性氧代謝、脂氧合酶代謝、多胺代謝、脯氨酸、核酸代謝、內源激素變化等生理生化方面綜述了近十幾年來的研究成果,為全面研究果樹抗旱機理及進一步制定抗旱措施奠定理論基礎。30 " is the project to produce 18ton / year synthetic ammonia and 30ton / year urea. the key equipment in the project are the copressor for the mixed gases of nitrogen and hydrogen and the compressor for carbon dioxide. reciprocating compressor as well as centrifugal compressor can be selected for this project. the different opinions for the selection of the compressor existed in 8medium scale fertilizer plants in which coal is used as the raw material. from the points of technology and cost, the analysis and comparison of using these two kinds of compressor were carried out. it is concluded that reciprocating pump is more appropriate
工程就是建成年生產能力達到18萬噸合成氨、 30萬噸尿素的項目,項目中的關鍵設備為氮氫氣壓縮機及二氧化碳壓縮機,壓縮機選型正介於往復式壓縮機和離心式壓縮機之間,國內各設計院在八家立項的以煤為原料的中化肥廠『 18 . 30 』工程初步設計中選何種類型的壓縮機爭論不休,本文從技術及經濟的角度對此作了分析比較,並推薦採用往復式壓縮機,以供參考。Under the permitted conditions, the all - scale plant was made to pre - ozonation. the results showed : ( l ) the optimal advanced purification drinking water process should be " regular treatment + ozonation + biological activated carbon ". though pre - ozonation had no effects on ammonia nitrogen in the water of micro - pollution water source, instead the turbidity of pre - oxidation finished water was raised, it had effects on killing bacteria and removing algae, and controlling the growth of micro - organism
得出如下結論: ( 1 )最優化的深度處理飲用水的工藝應該是「常規處理+臭氧化+生物活性炭」 ,如果投加預臭氧,對微污染水源水中的氨氮沒有效果,反而引起預氧化出水的濁度升高,但是對滅菌除藻,控制微生物的生長有一定的作用。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。Under middle level drought condition mosuchun can increase content of soluble organic osmoticum ( pro, amino add and sugars ) maintain or raise the activity of sod and cat, and decrease permeability of plasma and content of mda
在乾旱條件下摩素淳能增加游離氨基酸、可溶性糖和脯氨酸3種有機滲透調節物質的含量,維持或提高sod和cat活性,降低膜相對透性和mda含量,防止或降低了膜脂過氧化作用對膜的傷害。N - acetylcysteine is the acetylation of l - cysteine as the donor of sulfhydrylgruppe ( - sh ), not only has the great antioxidation, but also supplies the reduced glutathione in the body efficiently, and pretects the cell not to be injuried. the preventive effective of n - acetylcysteine against acute lung injury has been supported by the animal experiment and clinic research
N -乙酰半胱氨酸是l -半胱氨酸的乙酰化物,作為巰基的供體,不僅具有強大的抗氧化作用,還能有效補充機體內降低的還原型谷胱苷肽,保護細胞免受損傷,其對急性肺損傷的防治作用已獲得動物實驗和臨床研究結果的支持。分享友人