The NRA was not directly correlated with nitrogenase activity.
硝酸还原酶活性和根瘤固氮活性之间没有直接关系。
Soil drought reduced moisture content and nitrogenase activity of nodules.
土壤干旱降低田菁根瘤的含水量和固氮活性。
Ethylene was used as a probe to detect the N2-binding site in nitrogenase.
用乙烯为探针研究了固氮酶中n2的键合位。
Soil drought reduced moisture content and nitrogenase activity of nodules.
田 菁根瘤的含水量和固氮活性。
Reduced nicotinamide nucleotides can function as reductants to nitrogenase.
还原的烟酰胺核苷酸对固态酶可以起还原剂的作用。
Molybdenum is an essential element consisting of nitrogenase enzyme complex.
钼是豆科作物固氮酶复合体组成的必需元素。
The results showed that PA19, PA2 and PK1 strains had high nitrogenase activities.
经固氮酶活性测定，PA19、PA2和PK1菌株具有较强的固氮酶活性。
It creates an enzyme called vanadium nitrogenase, which produces ammonia from nitrogen.
这些作物都能产生一种名为钒固氮(vanadium nitrogenase)的酶，它具有把氮转变成氨的能力。
The photosynthetic rate and excretory ability affected the nitrogenase activity in the rhizosphere.
水稻的光合作用及报分泌能力影响根际固氮活性。
In order to simulated biological nitrogen fixation, a series of studies on nitrogenase are proceeded.
为了模拟生物固氮，对固氮酶进行了一系列的研究。
Deficiency or excess of water in the soil could cause the tremendous decline of the nitrogenase activity.
土壤水分过多或缺乏，都导致固氮活性极大降低。
The level of nitrogenase activity was correlated reciprocally with the content of cell phycocyanin and the light intensity.
酶活的高低与藻蓝素含量和光照强度成反相关。
There was a negative correlation between the nitrogenase activities of nitrogen fixing bacteria in root and that in leaf and stem.
此外，甘蔗根、茎、叶中固氮菌的固氮酶活性之间关系较为密切，根中固氮菌的固氮酶活性与叶片和茎中的都呈负相关。
ATP binding sites are regulatory sites in the nitrogenase and the acetylene reduction active sites are catalytic sites in the nitrogenase.
ATP结合部位是固氮酶的调节部位；乙炔还原活性部位是固氮酶的催化部位；
Stable and high efficiency micro-plant interaction is essential to the optimal nitrogenase activity of root-associated nitrogen fixation bacteria.
联合固氮体系的建立是联合固氮菌发挥高效生物固氮活性的关键要素之一。
If the original host plant was replaced by others, both these Frankia 'infective ability and nitrogenase activity in new symbiotic system were lower.
供试菌随寄主植物的改变，侵染能力及所建立的共生系统固氮活性有所降低。
Chromium treatment significantly decreased nodule Numbers, nodule fresh weight, leghemoglobin content and nitrogenase (acetylene reduction) activity per plant or per gram of nodules.
铬还使单株固氮酶活性(乙炔还原法测定)显著降低，用高浓度铬处理者克瘤固氮活性也显著降低。
If low nitrate concentration was applied to Jilin 20, its nodule nitrogenase activity and ureide content were increased in early growth period, but were inhibited in later growth period.
低浓度硝酸盐在生育前期对吉林20号根瘤固氮酶活性有促进作用，酰脲含量增加，在生育后期有抑制作用。
There were many good strains which had such potential such as X4 and X1 in Xi 'an only in consideration of nitrogenase activity. But few strains with such ability were isolated from Lanzhou.
单从固氮酶活性来看，西安地区草地有开发潜力的优良菌株相对较多，如X4和X1，而兰州地区的相对较少。
There were many good strains which had such potential such as X4 and X1 in Xi 'an only in consideration of nitrogenase activity. But few strains with such ability were isolated from Lanzhou.
单从固氮酶活性来看，西安地区草地有开发潜力的优良菌株相对较多，如X4和X1，而兰州地区的相对较少。
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