固定氮

  • 网络fixed nitrogen;nitrogen fixation
固定氮固定氮
  1. 与大多数蓝绿藻一样,念珠藻属含有两种色素,并有固定氮的能力。

    Like most other cyanobacteria , nostocs contain two pigments and are capable of nitrogen fixation .

  2. 固定化氮循环细菌修复城市湖泊水体脱氮效果及N2O排放

    Nitrogen removal and N_2O emission from water purification process by immobilized nitrogen cycling bacteria in urban lake

  3. ~(15)N同位素稀释法测得其茎叶~(15)N原子百分超低于不固氮参照组,表明,2,4-D加田菁固氮根瘤菌诱发的小麦类瘤能固定大气氮。

    The atom % 15N excess in leaf and stem of treated plants measured by 15N isotope dilution method is lower than that of reference group .

  4. 采用水生植物、人工填料和固定化氮循环细菌技术(INCB),在秋冬季节对新沂河进行原位污染治理和生态修复实验。

    A technique consisting of aquatic plants , artificial fillers and immobilized nitrogen cycling bacteria ( INCB ) was adopted in situ purifying contaminated Xinyi River in fall and winter seasons .

  5. 该菌系好气性、快生型,能固定大气氮。

    Moreover the strain is capable of fixing molecular nitrogen .

  6. 固定源氮氧化物排放及控制技术应用

    Emission and control of nitrogen oxides from stationary sources

  7. 秋冬季环境下固定化氮循环细菌净化湖泊水体氮污染动态模拟

    Purification of Lake Water by Simulative Dynamic Experiment Using Immobilized Nitrogen Cycle Bacteria in Winter

  8. 固定化氮循环细菌的抗逆境运行

    Adversity-resistant Running of Immobilized Nitrogen Cycling Bacteria

  9. 基于固定化氮循环细菌技术的镇江金山湖生态工程效果研究

    Ecological Engineering Experiment for Jinshan Lake in Zhenjiang Base on Techniques of Immobilized Nitrogen Cycling Bacteria

  10. 凤眼莲-固定化氮循环细菌联合作用对富营养化水体原位修复的研究

    In situ remediation of eutrophic water bodies by the combination of water hyacinth and immobilized nitrogen cycle bacteria

  11. 生物固定态氮对当季作物的有效性远较新固定的固定态铵的低。

    The availability of the biologically immobilized N to the current crop was much less than that of the " newly " fixed ammonium N.

  12. 研究了固定化氮循环细菌抗高氮污染、有机质污染,抗逆境运行以及抗逆境运行后的恢复能力。

    Resistance to pollution of nitrogen and organic matter , adversity resistant running of immobilized nitrogen cycling bacteria ( INCB ) and its recoverable ability after the function were studied .

  13. 查明大豆从空气中固定的氮量占植株全氮产量的50&70%,以黑土为最高,淡黑钙土最低。

    It was proved that the amount of N fixed from atmosphere accounted for 50-75 % of the total N of soybean , and the highest is in black soil the lowest is in light chernozem .

  14. 固定化氮循环细菌在冬季低温(7℃)条件下仍保持了较高的除氮能力,总氮和氨氮去除率分别为55.6%,58.9%。

    It was found that the immobilized nitrogen cycle bacteria also have purificatory effect on eutrophic water of Taihu lake in winter ( 7 ℃), the removal efficiencies for Total N ( TN ), NH + 4 N were 55.6 % , and 58.9 % , respectively .

  15. 固定化土著氮循环细菌在城市湖泊水体净化中的应用

    Application of immobilized nitrogen cycling bacteria in water purification of urban lakes

  16. 而且,固定铵态氮的分布在马兰黄土中也能体现出三次小的低-高值的波动特征。

    In addition , there are three low high value fluctuations of fixed N in the Malan loess .

  17. 洛川黄土13万年以来固定铵态氮的分布与磁化率和<2μm组分的分布相似。

    Distribution of fixed N is similar to that of magnetic susceptibility and the < 2 μ m fraction in the S0 L1 S1 sequence .

  18. 固定化的氮从细胞中发散到根部环境中,在那里它被植物用来合成蛋白质。

    The fixed nitrogen then diffuses out of the cells into the root environment where it is used by the plant for the synthesis of proteins .

  19. 氮氧化物是烟气中的主要污染物之一,氧化吸收脱硝技术是脱除固定源烟气氮氧化物的重要方法。

    NOx is one of the key air pollutants from flue gas , and the combined oxidation-absorption process is an important method for denitrification of flue gas from stationary sources .

  20. 首先在金电极表面固定含有叠氮基团的捕获探针,然后与标记有亚甲基蓝的炔基发夹形检测探针发生点击化学反应,该方法利用一价铜离子的催化效应进行电化学定量检测。

    Firstly , the azido capture probe was immobilized on the gold electrode surface , then the methylene blue labeled alkynyl hairpin probe was added to initiate click reaction . This method utilizes the catalytic activity of Cu ( I ) for electrochemical quantitative detection .

  21. 不同pH条件下铜对固定化小球藻除氮效果的影响

    Effects of copper at different pH on the nitrogen-removal efficiencies of immobilized Chlorella pyrenoidosa

  22. 利用~(15)N在盆栽条件下研究了铵的矿物固定作用对肥料氮在三种土壤中转化的影响。

    The effect of ammonium fixation on the transformation of ~ ( 15 ) N labelled fertilizer N in three soils was studied in a pot experiment .

  23. 烟气中NO的体积浓度不高于300×10-6时,不影响ZY-1的生长及其对CO2的固定,可作为氮源供ZY-1生长用;

    The presence of NO at a concentration lower than 300 × 10 ~ ( - 6 ) did not influence the growth of ZY-1 and its CO_2 fixation , with NO absorbed in the medium utilization as a nitrogen source .

  24. 固定源排气中氮氧化物的测定

    The Measurement of the Nitrogen Oxides Inside the Gas Emitted from Stationary Sources

  25. 稻田土壤对铵的矿物固定对土壤保氮作用的贡献

    Mineral fixation of ammonium by paddy soils in relation to the N-preserving capacity in paddy soils

  26. 本文还对固定化藻类脱氮除磷机理进行了初步探讨,为固定化藻类去除污水中的氮磷物质提供了理论依据。

    Preliminary mechanism research on removal of nitrogen and phosphorus by immobilized algae is also presented in the dissertation .

  27. 固定源辐射-氮氧化物质量浓缩的测定-自动测量系统的性能特性

    Stationary source emissions - determination of the mass concentration of nitrogen oxides - performance characteristics of automated measuring systems

  28. 说明徒长苗干物质积累量减小,碳水化合物含量降低,能量固定减少,碳氮代谢缓慢。

    Leggy seedlings ' dry matter accumulation decreased , carbohydrate content was decreased , the energy fixed less , carbon and nitrogen metabolism is slow . 4 .

  29. 结果表明:影响煤粉NO静态排放量的四个主要因素依次为:碳含量、固定碳含量、氮含量、灰分含量。

    Results show that four major influence factors of pulverized coals NO static emission amount are carbon content , fixed carbon content , nitrogen content and ash content respectively .

  30. 藻类包埋固定化与附着固定化相比较,包埋固定化去除氮磷的效率更高,藻类更易收获。

    Compared with attached algae system , embedded algae system has higher nutrient removal efficiency , and ingathering of algae is easier .