nitrogen fixation是什么意思

网络释义

用法例句

This article laid great emphasis on the method and procedure of in situ determination of pelagic nitrogen fixation rate in aquaculture ponds, and some improvements, such as the use of syringe as incubator and the adiustment of the amount of yielded gas volume, were proposed.

侧重应用乙炔还原法进行养殖池水层生物固氮作用原位测定的具体操作步骤 ,并提出了应用医用注射器作为原位培养容器和对培养后生成的气体体积进行了校正的改进措施。

The optimal pO2 of nitrogen fixation,respiration rate of stem nodule bacteroids, nodule leghemoglobin and cytosol soluble protein were reduced by water deprivation.

测定不同ｐＯ２下离体茎瘤固氮活性以ｐＯ２为６０％最高；当把茎瘤切碎后，茎瘤皮层的扩散屏障作用降低或失去，最适ｐＯ２降至４０％，说明Ｏ２是茎瘤固氮作用的限制因子。

respiration and nitrogen fixation by root nodules

根瘤的呼吸与固氮作用

Study of Sodium Humate on the Property of Fixing Nitrogen in the Ammonium Phosphate Production;

腐植酸钠在磷铵生产中固氮作用的研究

Studies on the Nitrogen Fixation and Structure of Legume-rhzibium Symbioty Grown on the Loess Plateaus, Shaanxi and Gansu;

陕、甘黄土高原根瘤菌-豆科植物共生体结构及固氮作用研究

ISOLATION AND IDENTIFICATION OF PHYLLOBACTERIUM AND RHODOCOCCUS STRAINS FROM SOILS AND THEIR FREE-LIVING NITROGEN-FIXATION

土壤叶杆菌和红球菌菌株的分离鉴定及其自生固氮作用

asymbiotic nitrogen fixatio

非共生固氮（作用）

Mycorhizae perform the function of nitrogen fixation and storage.

菌根起着固氮和贮氮的作用。

The soil nitrogen status is a function of the processes of nitrogen fixation, microbial decompostion, nitrificattion and denitrification.

土壤氮状况是一个固氮、微生物分解、硝酸化和脱氮过程的作用。

Study status on the photosynthesis of photosynthetic bacteria and H_2-evolving function of nitrogenase

光合细菌光合作用及固氮酶产氢作用研究进展

Effects of Rhizobia, NH_4～+-Fertilizer and Light Strength on Nitrogen Fixation and Photosynthesis of Soybean;

根瘤菌、铵态氮、光照强度对大豆固氮和光合作用影响的研究

The photosynthesis and the azotaseactivity were decreased in Mo deficient soybean.

缺钼大豆的光合作用和固氮酶活性降低。

A review on the functions of nitrogen-fixers in terrestrial ecosystems

固氮类植物在陆地生态系统中的作用研究进展

Interaction among Indigenous Plasmids of Mesorhizobium Huakuii Strains and Its Effect on Symbiotic Nitrogen Fixation;

华癸中生根瘤菌内源质粒间的相互作用及其对共生固氮的影响

Interaction among Indigenous Plasmids of Sinorhizobium Fredii Strains and Its Effect on Symbiotic Nitrogen Fixation;

费氏中华根瘤菌内源质粒间的相互作用及其对共生固氮的影响

Screening and Functional Analysis of the Interacting Factors with NifA in Azospirillum Brasilense Sp7;

巴西固氮螺菌Sp7中与NifA有相互作用的因子的筛选和功能分析

Studies on the role of nitrogen fixing plant fence having accordant heights to reorganize agricultural industry structure in intersecting mountain area;

等高固氮植物篱对横断山区农业产业结构调整作用的研究

Studies on Allelopathy of Peanut Root Exudates on Root Rot Fungi and N-fixing Bacteria

花生根系分泌物对根腐镰刀菌和固氮菌的化感作用研究

Effect of Nitrogen-fixation Bacteria on Resistance of Eucalyptus urophylla to Bacteria Wilt Disease and Changes of Defense Enzymes Activity

接种固氮菌对尾叶桉抗青枯病的作用及相关酶活性变化

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