neutron n dynamics 中子动力学
reaction n dynamics 反应动力学
inorganic n dynamics 无机氮动态
newtonian n dynamics 牛顿动力学
N content dynamics N素动态变化
dynamics of N uptake 吸收动态
Powertrain n and Engine Dynamics 动力系统和发动机动力
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This paper probes into the NH 4 + N, NO 3 - N concentration dynamics on DMPP (3,4 dimethylpyrazole phosphate) in vegetable soils under fertilized condition with aerobic cultivation.
采用好气培养法研究了新型硝化抑制剂3，4-二甲基吡唑磷酸盐（DMPP）对菜园土壤养分肥力的影响。
A symplectic integrator is viewed as promise of being a valuable tool in the numerical exploration of planetary and satellite n-body systems in the solar system dynamics.
在太阳系动力学中，辛积分器已成为研究哈密顿系统的长期定性演化的最佳工具。
A field experiment was conducted to analyse the dynamics of biomass yield and n, p, K absorption by maize under different planting systems.
采用田间小区试验方法研究了不同种植方式下玉米产量，干物质积累动态和养分吸收动态变化特点。
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