1.
Effects of Water and Fertilizers on Available N and P of Protected Soils Planting Capsicum
水肥处理对辣椒保护地土壤速效氮、磷的影响
2.
Effect of Return of Total Wheat Straw on Soil Mineral Nitrogen Dynamics and Rice Yield
小麦秸秆全量还田对土壤速效氮及水稻产量的影响
3.
Advance in comparison on determination of available nitrogen, phosphorus,potassium in soil by ASI method and its correlation with fertilizer absorption
ASI法测定土壤速效氮磷钾的方法比较及相关性研究进展
4.
Spatial variability of soil available N,P and K and influencing factors
土壤速效氮、磷、钾含量空间变异特征及其影响因子
5.
Surface effects of W18Cr4V high speed steel substrate irradiated by Nitrogen ion beams
氮离子束轰击W18Cr4V高速钢的表面效应
6.
Using NIRS to Predict the Content of Available Nitrogen, Phosphorus and Potassium in Soil
近红外光谱法快速测定土壤碱解氮、速效磷和速效钾含量
7.
The soil organic matter and total N stabilize basically, available P increase while alkaline hydrolyze N decrease obviously in the cornrice rotation.
玉米、稻连作土壤有机质和全氮基本稳定，有效磷呈上升趋势，碱解氮和速效钾下降趋势明显。
8.
Comparison Study on the Methods for Determination of Available N、P and the Organic Matter in Forest Soil;
森林暗棕壤碱解氮、速效磷和有机质测定方法的比较研究
9.
Study on nitrogen-rich layer fast plasma nitriding process and mechanism
富氮层快速离子渗氮工艺及机理研究
10.
Study on fast plasma nitriding technology of 40Cr steel with nitrogen-rich layer
40Cr钢富氮层快速离子渗氮技术的探索
11.
apparatus for rapid determination of nitrogenoxide
氧化亚氮快速测定器
12.
A Fast Method for Recoverying Small Molecule DNA Fragment by Quick-Frozen in Liquid Nitrogen
液氮速冻法快速回收小分子DNA片段
13.
Solvation Effect in S_N Reaction of Diazodenitrogenation;
重氮去氮反应在S_N中的溶剂效应
14.
Rapid Determination of Ammoniacal Nitrogen in Silage by Automatic Kjeldahl Apparatus
自动凯氏定氮仪快速测定青贮饲料中的氨态氮
15.
Genotypic Differences in Grain Yields and Nitrogen Use Efficiency in Rice Cultivars;
水稻氮效率基因型差异评价与氮高效机理研究
16.
Nitrogen Application Law and Benefit Analysis on a High N Use Efficiency Rice Variety Xieyou 9019
氮高效组合协优9019的氮肥运筹规律与效益分析
17.
Study on Boletus Aereus Freezing Pattern by Liquid Nitrogen Flash Freezer
液氮速冻黑牛肝菌冻结规律初步研究
18.
Influence of Nitrogen,Phosphorus and Iron on Growth of Alga Pavlova gyrans
氮、磷、铁对定鞭金藻生长速率的影响