The nurture role of different fertilizer application strategies was discussed by the measurements of the C and N dynamic of soil microbial biomass in wheat field.
通过测定不同施肥制度下小麦土壤微生物量C、N的动态变化,探讨了不同施肥制度对小麦土壤的培肥效应。
A kind of algorithm for the optimal path of manipulation arm, which possesses restraint of joint turning angle based on dynamic solution region and has n degree of freedom, was put forward.
提出了一种基于动态区间映射的数据对象布局算法,在均衡数据分配和最少迁移数据方面都是统计意义上最优的,并且支持按照存储节点的权重分配数据和任意的数据对象副本。
N-tier architectures for dynamic sites.
用于动态站点的n层体系结构。
The strategies include chemically enhanced settlement, pre-aeration, addition of N-adsorption media and P-adsorption media, high, middle and low water level and dynamic saturation line within the.
改进方法包括化学强化预处理、预曝气、添加氮吸附介质、添加磷吸附介质、湿地高浸润线、中浸润线、低浸润线和动态浸润线运行。
Assuming the transfer delay to be ignored, the networked control system is an asynchronous dynamic system with N-events.
假定传输时延可以忽略,则整个网络控制系统可以描述为一个具有N个事件的异步动态系统。
Objective: To study the dynamic changes of nitric oxide (n o) and nitric oxide synthase (NOS) in rat brain tissues after experimental brain trauma and their significance.
目的:研究实验性颅脑伤大鼠脑组织一氧化氮(NO)和一氧化氮合酶(NOS)含量的动态变化及其意义。
The mathematics equations of dynamic fertilization mode were set up to determine the rational N dosage and proportion of additional fertilizer for different production goals.
得出了不同目标产量时的最佳氮肥用量与追施比例和对应于氮肥不同用量的最佳追施比例及理论产量的动态施肥模式的数学方程。
Then the output S/N is calibrated DA with the dynamic signal analizer and power meter.
并用动态信号分析仪和功率计校准输出信噪比。
The adsorption of phenolic resin adsorbent for pyridine and n, N-dimethylaniline was studied in aqueous solutions under static and dynamic conditions in this paper.
研究了酚醛型吸附树脂在水体系中对吡啶和N,N—二甲基苯胺的静态和动态吸附行为。
In this paper, we simulated riverbank filtration system, and made room dynamic experiments, reviewed the environmental behavior of NH4 + -n and aniline in the column.
本文模拟河岸渗滤系统,进行室内动态土柱实验,探讨了氨氮和苯胺的环境行为。
In this paper, we simulated riverbank filtration system, and made room dynamic experiments, reviewed the environmental behavior of NH4 + -n and aniline in the column.
本文模拟河岸渗滤系统,进行室内动态土柱实验,探讨了氨氮和苯胺的环境行为。
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