1.
Nitrogen Budgets in Agro-ecosystem of Hebei Province
河北省农田生态系统氮养分平衡状况研究
2.
Nitrogen Cycling and Balance in "Agriculture-Livestock-Nutrition-Environment" System of China;
我国“农田—畜牧—营养—环境”体系氮素养分循环与平衡
3.
Studies on the Nitrogen Phosphorous Potassium Nutrition Balance Case of Albic Rice Soils;
三江平原白浆土型水稻土氮磷钾养分平衡的研究
4.
Research on Effect of Nitroent, Potassium and the Balance of Nutrient in Rice-rapeseed Rotation System in Different Regions;
不同生态区水稻—油菜轮作制中氮钾肥效应及养分平衡研究
5.
Effects of Soybean Trypsin Inhibitors on Nitrogen Balance and Apparent Digestibility of Feed Nutrients in Rex Rabbits
大豆胰蛋白酶抑制因子对獭兔氮平衡和养分消化率的影响
6.
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
7.
Material Balance of N and P of Mixed Culture Ecosystem in Seawater Pond
海水围塘混合养殖生态系统氮磷平衡的研究
8.
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
9.
"apart from the above "typical"symptoms, other symptoms may occur as a result of imbalance of potassium with other nutrients, nitrogen and calcium in particular. "
除上述"典型"症状外，钾和其它养分(尤其是氮和钙)的不平衡还可引起其它症状。
10.
Nitrogen Nutrient Balance and Load in Agro-ecosystem of Miyun Fangshan County in Beijing
北京市农田生态系统氮素养分平衡与负荷研究——以密云县和房山区为例
11.
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
12.
Effects of Physically Effective Neutral Detergent Fiber on Flow of Nutrition Composition and Digestive Performance and Nitrogen Balance on Goats;
物理有效纤维对山羊营养物质流通量、消化性能和氮平衡的影响
13.
Analysis on the financial balance of the pension under the system of the nominal account;
名义账户制下养老金的财务平衡分析
14.
Analyses on the Revenue and Expenditure Balance of the Endowment Insurance and Influential Factors;
养老保险收支平衡及其影响因素分析
15.
Effect of Balanced Fertilization on Yield of Soybean and Nutrients Balance of Soil-crop System
平衡施肥对大豆产量及土壤-作物系统养分收支平衡的影响
16.
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
17.
Effects of Different Nitrogen and Potassium Levels on Wheat Yield and Uptake and Utilization of Nitrogen and Potassium Nutrients
不同氮·钾水平对小麦产量和氮·钾养分吸收利用的影响
18.
Yield Change and Accumulation Regular Pattern of Nitrogen Nutrient for E-mai 18 under Different Level of Nitrogen
不同氮水平下鄂麦18氮养分积累规律及产量变化