1.
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
2.
Study on Water and Nitrogen Use Characteristics of Aerobic Rice under Different Water and Nitrogen Conditions;
不同水氮条件下旱稻水分与氮素利用特征研究
3.
Relationship of Activities of Key Enzymes Involved in Nitrogen Metabolism with Nitrogen Utilization in Rice under Water-Nitrogen Interaction
水氮互作下水稻氮代谢关键酶活性与氮素利用的关系
4.
Effects of irrigation and nitrogen interaction on soil NO_3~- -N transport,nitrogen use efficiency and water use efficiency in wheat
水氮互作对小麦土壤硝态氮运移及水、氮利用效率的影响
5.
Effects of nitrogen fertilizer application and irrigationlevel on soil nitrate nitrogen accumulation and water and nitrogen use efficiency for wheat/maize intercropping
水氮量对小麦/玉米间作土壤硝态氮累积和水氮利用效率的影响
6.
Effects of nitrogen fertilization and irrigation rate on grain yield,nitrate accumulation and nitrogen balance on sandy farmland in the marginal oasis in the middle of Heihe River basin
水氮配合对绿洲沙地农田玉米产量、土壤硝态氮和氮平衡的影响
7.
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
8.
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
9.
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
10.
Simultaneous determination of the total nitrogen,ammonium-nitrogen,nitrite-nitrogen,and nitrate-nitrogen in wastewater by continuous fluxion analysis
连续流动分析法同时测定污水中总氮、氨氮、亚硝酸盐氮、硝酸盐氮
11.
1,10-phenanthroline monohydrate
1,10-邻二氮杂菲（一水合物）
12.
Cupric azide is insoluble in water.
叠氮化铜不溶于水。
13.
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
14.
A DIAGNOSIS OF NITROGEN NUTRITION IN COTTON PLANTS--THE RELATIONSHIP BETWEEN THE AMINO--NITROGEN AND THE LEVEL OF NITROGENOUS NUTRITION IN COTTON LEAVES
棉花氮素营养诊断——棉花叶片氨基态氮与氮素营养水平的关系
15.
Studies on Nitrogen Uptake Characteristics, Nitrogen Use Efficiency, Real Time Nitrogen Management, and Site Specific Nutrient Management of Irrigated Rice;
水稻氮素营养特性、氮肥利用率与实时实地氮肥管理的研究
16.
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
17.
Effect of Different Nitrogen Rates on Nitrogen Utilization and Residual Soil Nitrate of Spring Maize
不同施氮水平对春玉米氮素利用及土壤硝态氮残留的影响
18.
Effects of Nitrogen Management on Rice Nitrogen Uptake and Nitrogen Concentrations in the Leachate from Rice Field
氮肥运筹对水稻氮素吸收和稻田渗漏液氮素浓度影响