fixation of nitrogen
英 [fɪkˈseɪʃn ɒv ˈnaɪtrədʒən]
美 [fɪkˈseɪʃn əv ˈnaɪtrədʒən]
固氮作用
双语例句
- Nitrogen fixation trees of Leguminosae and non-Leguminosae are important biological nitrogen fixation resources.
结荚和籽粒的豆科植物豆科及非豆科固氮树种是重要的生物固N资源。 - The aim of this paper is to evaluate the significance of ammonium immobilization and fixation inthe determination of soil microbial biomass nitrogen.
数据表明：生物固持作用和固铵作用在生物量氮测定中均不可忽略。 - Effects of Legume/ cereal Intercropping on N, Fe Nutrition and Biological Nitrogen Fixation; Study on the Effect of Legume Nitrogen Fixation and Fertility Betterment on the Bashang Plateau
豆科/禾本科间作的氮铁营养效应及对结瘤固氮的影响冀西北坝上高原豆科作物固氮培肥效应研究 - Biological Nitrogen Fixation Efficiency in Soybean under Different Levels of Nitrogen Supply
外源供氮水平对大豆生物固氮效率的影响 - Analysis of Correlation between Growth Quantity and N-Fixation Efficiency of 29 N-fixing Trees Nitrogen fixation trees of Leguminosae and non-Leguminosae are important biological nitrogen fixation resources.
29种固氮树种生长量与固氮效率相关性研究豆科及非豆科固氮树种是重要的生物固N资源。 - The pot incubation experiment was conducted to study the influence of different C/ N organic substance on the biological fixation of inorganic nitrogen and its effect in the regulation of nitrogen in soil.
采用培养试验方法，研究了不同碳氮比值的碳源物质对土壤无机氮生物固定的影响及其在土壤氮素调控中的作用。 - The biologic fixation of soil inorganic nitrogen also plays positive roles in decreasing lose of nitrogen, increasing efficiency of nitrogen fertilizer and protecting environment.
土壤无机氮的生物固定对减少N素损失，提高N肥利用效率和保护环境具有积极的作用。 - Some hot questions in nitrogen fixation study OVERVIEW OF NITROGEN FIXATION OF MARINE CYANOBACTERIA
生物固氮研究中的几个热点问题海洋蓝细菌生物固氮的研究进展 - Effect of application of nitrogen, zinc and selenium on fixation of nitrogen and transfer of nitrogen fixed in white clover
氮锌硒肥配合施用对白三叶的固氮作用与氮转移的影响 - A hypothesis is put forward that sulphur may have relation to symbiotic nitrogen fixation of Frankia and can promote formation of root nodules and nitrogen fixation. The Frankia isolates grown in N-deficient BAP medium exhibited an acetylene reducing activity.
提出硫元素与Frankia放线菌的共生固氮有关，有利于根瘤形成和固氮。这些分离株在无氮BAP培养基上表现出乙炔还原活性。 - Biological nitrogen fixation and nitrogen export of groundnut intercropped with rice cultivated in aerobic soil and its effect on soil nitrogen fertility
旱作水稻/花生间作系统中的氮素固定与转移及其对土壤肥力的影响 - Hippophae rhamnoides could keep the balance of nutrition in the woodland through the fixation of nitrogen by root nodule and the decomposition of litter.
沙棘可通过根瘤固氮及枯枝、落叶等凋落物的分解维持林地养分平衡。 - Evaluation of nitrogen fixation of soybean germplasm using composite grade index under inoculation and application of nitrogen
在接种和施氮胁迫下应用综合等级指数对大豆种质固氮的评价 - Mo nutrition in soil and plant at podding stage was correlated significantly or highly significantly with nitrogen fixation of root nodule, nitrogen nutrition of plant and yield.
结荚期连作大豆土壤和植株钼营养与根瘤固氮、植株氮营养及产量间相关显著或极显著。 - The paper reviews home and overseas research works on exhumation and use of nitrogen-fixing resource, genetics engineering of nitrogen fixation, and biochemistry of nitrogenase and chemical modeling of biological nitrogen fixation, and describe the prospect of biological nitrogen-fixing research.
本文从固氮资源的发掘和利用、固氮的遗传工程以及固氮酶生物化学和化学模拟生物固氮三方面对国内外的研究进展进行了全面的阐述，并对生物固氮研究的前景进行了展望。 - Grassland biological nitrogen fixation is not only an important part of nitrogen cycling in the grassland ecological system, but also important in intensive grassland livestock husbandry establishment and in recovery of degraded grassland.
草地生物固氮不仅是草地生态系统氮素循环输入过程的重要部分，而且与集约化草地畜牧业的建立和退化草场的恢复有着重要的关系。 - The adversity resistance of three sand plant in desert grassland will been predicted by measuring the bioelectric resistance and the biological fixation of nitrogen of the root system in early stage of their seedling
苗木根系生物电阻测量和固氮能力分析预测荒漠草原三种固沙植物抗逆性 - The low dff value in physiologically active organs, such as young leaves, flowers, and stem apices indicated that the nodular nitrogen fixation and the application of nitrogen fertilizer were important for their development.
dff值表明，在花序、顶心、绿叶生理功能旺盛器官，比茎干和衰老器官低，说明生物固氮或土壤供氮对紫云英功能器官发育的重要性。 - STUDIES ON THE ASSOCIATIVE SYMBIOSIS OF NITROGEN FIXATION IN RICE ROOTS ⅱ. Assay of Nitrogenase Activity and Isolation of Nitrogen fixing Organisms from the Rice Roots
水稻根系联合固氮的研究Ⅱ.水稻根系固氮酶活性的测定及固氮微生物的分离 - Many questions such as host types, Frankia classification, quantity of nitrogen fixation, adaptability, character of nitrogen fixation, new symbiotic system, infection crops and so on are discussed.
着重评述了弗兰克氏菌的宿主种类、菌种分类、固氮数量、适应范围、固氮特性、新共生体系和侵染作物等的研究进展； - Study on A High Nitrogen Fixation Engineering Strain of Bradyrhizobium japonicum and Its Effect in Nitrogen Fixation Enhancement
高固氮基因工程大豆根瘤菌的研制及其增氮效应 - Effect of the Level of Soil Fertility on Biologic Fixation of Nitrogen Fertilizer
土壤肥力水平对肥料氮生物固定的影响 - The results show that SSC increased nodulation and nitrogen fixation. The amount of nitrogen fixed in SSC increased 44% over that of CI.
结果表明，淹水能促进根瘤生长，增加固氮率、比常规栽培法多固定氮素44%以上。 - Biological fixation is a main resource of nitrogen in natural ecosystem.
生物固氮是自然生态系统中氮的主要来源。 - At present, the impact of transgenic rice on soil bacterial communities still little is known. One crucial function carried out by soil microorganisms is nitrogen fixation, which is the major source of nitrogen for many natural ecosystems.
有关转基因水稻对稻田土壤微生物的影响目前仍知之甚少。固氮微生物是水稻根际微生物群落中重要的微生物功能菌群之一，对水稻氮素营养调节起着重要作用。 - Plant absorption, denitrification, microbial fixation are the main three ways to remove the nitrogen in riparian zones, in which the soil denitrification can permanently remove most of the nitrogen, so denitrification is seen as the most effective way.
河岸带去除氮（N）素的机制主要有植物吸收、反硝化、微生物固定等方式，其中反硝化作用能将大部分N素永久性去除，被认为是阻止外界N03-进入河流水体的最有效途径。