1.
asymbiotic nitrogen fixatio
非共生固氮（作用）
2.
nitrogen fixer
(土壤中的)固氮微生物
3.
respiration and nitrogen fixation by root nodules
根瘤的呼吸与固氮作用
4.
An enzyme of nitrogen-fixing bacteria that activates the conversion of nitrogen to ammonia.
定氮酶在固氮细菌中催化氮转化成氨的一种酶
5.
Mycorhizae perform the function of nitrogen fixation and storage.
菌根起着固氮和贮氮的作用。
6.
Isolation of Endophytic Diazotrophic Bacteria from Gramineae Grasses and Their Activity for Nitrogen Fixation and Plant Growth-Promoting;
禾草内生固氮菌的分离及固氮促生效能研究
7.
The Research on Nitrogenase Activities of N_2-fixation Bacteria by Border Separation from Three Flowers Root;
三种花卉根际固氮细菌固氮酶特性研究
8.
Effects of Environmental Factors on the Nitrogen-fixing Quantity of Nitrogen-fixing Bacteria in Agropyron Cristatu;
环境因子对冰草根际固氮菌固氮量的影响
9.
Study on Nitrogenase Protein in Azotobacter Vinelandii Mutant DJ194 and UW3;
棕色固氮菌突变株DJ194和UW3中固氮酶蛋白的研究
10.
Analysis of Correlation between Growth Quantity and N-Fixation Efficiency of 29 N-fixing Trees
29种固氮树种生长量与固氮效率相关性研究
11.
Identification of endogenous nitrogen-fixing bacteria of Polygonum viviparum and analysis on nitrogen fixation gene(nifH)
珠芽蓼内生固氮菌鉴定及其固氮基因分析
12.
Isolation and identification and evaluation of nitrogen-fixing bacillus strain GD272
固氮芽孢杆菌GD272的筛选鉴定及其固氮性能研究
13.
Isolation and Identification of Endophytic Nitrogen-fixing Bacteria and Different Levels of N on Nitrogen Fixation in Sugarcane;
甘蔗内生固氮菌的分离鉴定与不同氮水平对其固氮的影响
14.
To convert(nitrogen) into stable, biologically assimilable compounds.
固氮把（氮）转变成稳定的、能被生物吸收的化合物
15.
Influence of Different Levels of Nitrogen on Nitrogen Fixation in Sugarcane (Saccharum Officinarum L.);
不同氮水平对甘蔗生物固氮活性的影响
16.
A Study on Effects of N-fixing Bacteria Fertilizer under Different Soil Nitrogen Level;
不同施氮水平下固氮菌肥施用效果的研究
17.
Effect of Different Forms Nitrogen on Nodule Growth and Nitrogen Fixation in Soybean(Glycine max L.)
不同形态氮对大豆根瘤生长及固氮的影响
18.
Nodule Growth,Nodulation and Nitrogen Fixation in Soybean(Glycine max L.)as Affected by Nitrogen Application
施氮对大豆根瘤生长和结瘤固氮的影响