灌浆前期硝酸还原酶活性较高，后期迅速降低。
硝酸还原酶活性在整个生育期内呈单峰曲线变化。
The trend of the change of activity of NR took on as single apex in the whole growth stage.
硝酸还原酶活性和根瘤固氮活性之间没有直接关系。
The NRA was not directly correlated with nitrogenase activity.
硝酸还原酶活性随灌浆进程的推进呈逐渐降低的趋势。
The activity of NR degraded as the grouting course conducting.
不同逆境对玉米幼苗根系活力及硝酸还原酶活性的影响。
Effect of different stress on roots activity and nitrate reductase activity in Zea mays L.
研究结果，硝酸还原酶活性随氮素用量不同而发生变化。
The result showed that the activity was different to the change of quantity of nitrogen.
加入外源硝态氮培养后叶片硝酸还原酶活性的增加程度与叶柄硝态氮含量相一致。
The percentage increase of blade NRA after cultivated by extra-source nitrate was positively related to the petiole nitrate-N concentration.
芹菜叶绿素、硝酸还原酶活性和硝酸盐含量与氮肥施用量呈极显著的线性正相关。
Chlorophyll, NRA and nitrate content was positively related to the application quantity of nitrogen.
硝酸还原酶活性是对照的几十倍，根系过氧化物酶活性比对照降低了22.4％；
NR reactivity was many times of CK, root POD reactivity decreased by 22.4% than CK.
研究表明，生育期间硝酸还原酶活性在内外源基质条件下的变化规律是一致的，出现两个高峰期；
The result showed that the change regular of endogenous NR was similar to that of exogenous NR and there were two peaks during growth period.
在氮素代谢方面，增施氮肥使小麦旗叶中硝酸还原酶活性增加，旗叶中可溶性蛋白含量降低，可明显延缓小麦叶片的衰老；
Soluble protein in flag leaf, which implies senescence of flag leaf, tented to decline with the increase of nitrogen fertilization.
通过所做的硝酸还原酶活性实验、过氧化物酶实验，针对重金属在生态系统中对农作物的影响问题，做了一个早期的、比较完整的分析。
Through nitrate reductase active experiment, and peroxidase experiment. The impact on plant of heavy metal that correctly question, has done an early, more intact analysis.
结果表明，二氢茉莉酸丙酯提高了根系活力和叶片硝酸还原酶活性（NRA） ，增加叶绿素含量和可溶性蛋白含量，从而为高产奠定了良好的生理基础。
The results indicated PDJ could improve the vigor of root system and NRA of leaves, increase chlorophyll and soluble protein content, thus laying a better physiological foundation for high yield.
应用废水污泥不会影响硝化还原酶活性，但是BSW在根际土壤明显增加硝酸盐的含量。
The application of wastewater sludge did not affect the nitrate reductase activity but BSW significantly increased the content of nitrate in the rhizosphere soil.
通过室内模拟实验研究了氟苯尼考对海洋沉积物中硝酸盐还原酶、亚硝酸盐还原酶、碱性磷酸酶活性的影响。
Effects of florfenicol on the activities of nitrate reductase, nitrite reductase and alkaline phosphatase in marine sediment were studied in laboratory by simulation experiment.
超氧化物歧化酶（SOD）、过氧化物酶（POD）和硝酸还原酶（NR）活性也随氯化胆碱浓度的增大而明显提高。
The activities of superoxide dismutase (SOD), peroxidase (POD) and nitratase (NR) in leaves increased with increasing of concentrations of CC.
冻融交替作用明显地增强土壤中磷酸酶、硝酸还原酶和亚硝酸还原酶的活性。
The effect of alternative freezing and thawing can enhances the activities of some soil enzymes greatly, such as phosphatase, nitrate reductase and nitrite reductase.
冻融交替作用明显地增强土壤中磷酸酶、硝酸还原酶和亚硝酸还原酶的活性。
The effect of alternative freezing and thawing can enhances the activities of some soil enzymes greatly, such as phosphatase, nitrate reductase and nitrite reductase.
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