1.
Methylation Alternations in Riceinduced by the Nitrogen Starvation
低氮水平下诱导的水稻DNA甲基化变异
2.
Survey on serum nitric oxide level and nitric oxide synthase activity in low temperature exposed workers;
低温作业工人血清一氧化氮和一氧化氮合酶水平调查
3.
Effects of low temperature on the nitrogen metabolism by the activities of key root enzymes in Malus baccata under different supply of nitrogen levels
低温对不同供氮水平下山定子幼苗根系氮代谢的影响
4.
Table 7 showed that the rice yield increased with the increase of K application under the lower level of nitrogen.
表7显示在低施氮水平下产量随施钾量增加而增长。
5.
The performance of Nitrate Reductase Activity(NRA) in plant leaf reflects the status of nitrogen metabolism.
硝酸还原酶活性高低可反映植株营养状况和氮素代谢水平。
6.
Study on Dynamics of Ammonia Nitrogen Degradation in Wastewater with Low Carbon-nitrogen Ratio
低碳氮比污水中氨氮降解动力学研究
7.
Experimental Study on Biological Nitrogen Removal Process of Low C/N Industrial Wastewater
低碳氮比工业废水生物除氮试验研究
8.
Experiment Research of New Biological Denitrification Process to Low C/N Wastewater of Nitrogenous Fertilizer Plant
氮肥厂低碳氮比废水生物脱氮新工艺试验研究
9.
Study on the Utilization of Water and Nitrogen and the N-Fertilizer Balance under Water Saving Irrigation;
节水灌溉水稻水氮利用与肥料氮量平衡研究
10.
low level open washer
低水位平槽,低水位平洗机
11.
Research Advances of Constructed Wetlands for Nitrogen Removal of Wastwater with High Nitrogen and Low Carbon Contents
低碳高氮废水的人工湿地脱氮研究进展
12.
Study on Treatment of High Concentration Ammonia Nitrogen and Low Concentration Carbon Wastewater by Shortcut Nitrification-Denitrification Process
高氨氮低碳废水短程硝化-反硝化脱氮过程研究
13.
River Ganges Lowland Raw Water Pumping Station
平原河低地原水抽水站
14.
The Changes of Serum Nitric Oxide and Leptin Levels in Patients with Obstructive Sleep Apnea/Hypopnea Syndrome;
阻塞性睡眠呼吸暂停低通气综合征患者血清一氧化氮及瘦素水平的变化及临床意义
15.
Effect of N Rates on Yield of Spring Wheat,Fertilizer N Recovery and N Balance
不同供氮水平对春小麦产量、氮肥利用率及氮平衡的影响
16.
The Effects of N Application Levels on N Use Efficiency in Rice Growth Stages and the Dynamic Variation of N Leaching in Paddy Field;
施氮水平对水稻生育期氮素利用率及稻田氮淋失动态的研究
17.
Principles and applications of nitrogen removal under oxygen limited conditions
污水低氧脱氮机制及其应用研究进展
18.
Studies on the Screening Index for Low Nitrogen Tolerant Rice and Its Selection
耐低氮水稻材料筛选及筛选指标研究