1.
Study on the Distribution and Accumulation of Nitrate Nitrogen in Soil under Moisture-retaining Irrigation
保墒灌溉条件下土壤中硝态氮分布和累积研究
2.
Effects of Different Organic Manure Fertilization on NO_3~--N Distribution in Greenhouse Soil
不同有机肥处理对设施菜地土壤硝态氮分布影响
3.
Effect of Different Nitrogen Fertilizer Levels on Vertical Distribution of NH_4~+-N and NO_3~--N in Rubber Plantation Soil
施氮量对橡胶园土壤铵态氮和硝态氮垂直分布的影响
4.
Spatial Distribution Patterns of Nitrate Nitrogen and Ammonia Nitrogen in Typical Calamagrostis Angustifolia Wetland Soils of Sanjiang Plain
三江平原典型小叶章湿地土壤中硝态氮和铵态氮的空间分布格局
5.
Distribution of NO_3～--N in Maize Rhizosphere Soil Under Style of Different Irrigation;
不同灌水方式下玉米根际硝态氮的分布
6.
Study on the Distribution of Soil Nitrate Along Huaihe River and Its Branches
淮河及其支流沿岸土壤硝态氮空间分布研究
7.
Temporal-spatial Distribution and Release Mechanism of Nitrite Nitrogen in Cage Culture Area;
网箱养殖海域亚硝态氮的时空分布规律及其释放机理初探
8.
Molecular Regulation for Uptake and Utilization of Ammonium and Nitrate in Plant
植物吸收利用铵态氮和硝态氮的分子调控
9.
THE ABSORPTION,UTILIZATION AND DISTRIBUTION OF NITRATE ~(15)N AND AMMONIUM ~(15)NIN Populus Tomentosa SEEDLINGS
毛白杨对~(15)N-硝态氮和铵态氮的吸收、利用及分配
10.
The Physiological and Molecular Mechanism of Nitrate Transport in Rice (Oryza Sativa L.);
水稻硝态氮跨膜运输的生理与分子机理
11.
The Genetic Analysis of Nitrate Induced Elongation and Initiation of Lateral Roots in Rice (Oryza Sativa L.);
硝态氮诱导水稻侧根发生发育的遗传分析
12.
Acute Toxicity of Ammonia and Nitrite to Adult Siniperca chuatsi
分子氨和亚硝态氮对鳜鱼成鱼的急性毒性试验
13.
Analysis on Nitrate Nitrogen Content of Soils for Planting Vegetable in Different Areas of Yangtze River Delta
长三角不同地区蔬菜种植土壤硝态氮含量分析
14.
Water Drainage and Nitrate Leaching of Vegetable Field under Water and Nitrogen Management;
不同水氮管理下蔬菜地水分渗漏和硝态氮淋洗特征的研究
15.
The Forms and Distribution of Nitrogen in the North of Yellow Sea in Summer 2006
2006年夏季北黄海海域氮的形态和分布
16.
Spatial distribution of nitrogen species in sediment of lakeside zone of Lake Dianchi
滇池湖滨带沉积物氮形态的空间分布
17.
Relationship between soil nitrate,nitrogen balance and utilization in rainfed land
旱地土壤硝态氮与氮素平衡、氮肥利用的关系
18.
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