1.
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
2.
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
3.
Effects of Glycerin on Energy and Nitrogen Balance of Ration for Simmentals
甘油对西门塔尔牛日粮能量平衡和氮平衡的影响
4.
Contribution of Atmospheric Nitrogen Deposition to the N-Balance in Smooth Crabgrass/Winter Radish Rotation Ecosystem on Red Soil Upland;
大气氮沉降对红壤旱地马唐—冬萝卜生态系统氮平衡的贡献
5.
an amino acid essential for growth in children and nitrogen balance in adults.
儿童生长和成人氮平衡所必需的氨基酸。
6.
Spatio-Temporal Changes of Nitrogen Balance in 1980-2005 for Agricultural Land in Three Gorges Reservoir Area
三峡库区1980～2005年农业用地氮平衡时空变化研究
7.
Determination of Nitrogen Balance after Abdomen Operation with Total Parenteral Nutrition
腹部手术后肠外营养支持体内氮平衡的监测
8.
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
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.
EQUILIBRATION AND OPTIMIZATION OF N_2 IN SHELL PULVERIZED COAL GASIFIER
Shell粉煤气化装置的氮气平衡及优化
11.
Analysis on Mass Balance of Carbon,Nitrogen and Phosphorus in A~2/O Process
A~2/O系统中碳、氮、磷的物料平衡分析
12.
Practice and Experience on Under-balanced Drilling with Nitrogen-foam
DF1井氮气泡沫欠平衡钻井实践与认识
13.
The nutrient balance of N P K in aquent of Hebei alluvial plain and their evaluation
河北低平原潮土氮磷钾平衡状况及评价研究
14.
Analysis of Vapor-Liquid-Solid Equilibria of Binary Cryogenic Mixtures Containing Nitrogen and Alkanes or Nitrogen and Freon
二元氮──烃类与氮──氟里昂低温混合工质的汽液固相平衡分析
15.
Study on Time and Spatial Change of Nitrate Nitrogen of Cotton and Apparent Budget of Soil Nitrogen;
棉田土壤硝态氮实时变化规律及氮素平衡初步研究
16.
Effect of Water Saving and Nitrogen Controlling on Nitrogrn Balance and No_3~--N Leaching of Different Soil-Vegetable Systems Ningxia;
节水控氮对宁夏不同土壤—蔬菜体系中氮素平衡及NO_3~--N淋失的影响
17.
Nitrogen Cycling and Balance in Winter Wheat-Summer Corn Rotation System under Optimized Nitrogen Management
优化施氮下冬小麦/夏玉米轮作农田氮素循环与平衡研究
18.
Effects of Water and Fertilizer on Nitrogen Use Effeciency and Balance in Lowland Rice Field
水肥交互作用对稻田氮素利用率和氮素平衡的影响