查询词典 irrigation engineer

In chapter 2, the sketch network of irrigation and drainage system is studied.

第二章研究了灌排系统的概化网络。

700 People, and provide drinkable water and construct an irrigation system.

户，2700人安装卫生设施、提供饮用水和建设灌溉系统。

The existing irrigation system, although low-volume drip with mist sprayers, was aging and plagued with problems.

现有的灌溉系统虽然很低，但与喷雾器量滴，是老化，有问题的困扰。

Company-led product line labyrinth embeddedà, drip irrigation with the performance indicators have reached international advanced level.

公司主导产品系列内嵌迷宫式滴灌管、滴灌带各项性能指标均达到国际先进水平。

Field experiment was carried out to investigate the distribution characteristic of different salt ions in the soil under drip irrigation with saline water in North China.

开展田间试验研究微咸水滴灌条件下不同盐分离子在土壤中的分布特征。

A field experiment was carried out to study the effects of N application (0, 180, 270, 360 kg/hm^2) on N uptake, accumulation yield and apparent N recovery in cotton with drip irrigation under mulch.

2004年在膜下滴灌条件下，研究了施氮量0、180、2703、60 kg/hm^2对膜下滴灌棉花氮素的吸收、累积和产量及氮肥利用率的影响。

Drip irrigation is also an excellent way to supply water.

滴灌也是一个很好的方式供水。

Therefore, the relation between dripper discharge and crop-root distribution is the basis for determining technique parameters of drip irrigation.

土壤湿润区与作物根系分布之间的关系是确定滴灌湿润比的理论依据，而土壤湿润区形状直接受滴头流量的控制，因此，滴头流量与作物根系分布之间的关系是确定滴灌技术参数的依据。

The results provide references for the selection of soil wetted percentage and dripper discharge in the process of drip irrigation's technique design.

试验结果为滴灌技术设计中选定土壤湿润比和滴头流量提供参考。

Based on the equivalent cylindrical pattern of soil wetting front, the model of dripper discharge was developed mathematically, and the change of each factor with the dripper discharge was analyzed to determine the main influential factors of dripper discharge design for drip irrigation system.

该文以等效圆柱湿润体模型为基础，建立了点源滴灌滴头流量的数学模型，针对模型中各因子随滴头流量的变化过程进行实验分析，确定影响点源滴灌滴头流量设计的主要因素。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。