查询词典 irrigation engineer

These results provide the scientific basis for determining suitable irrigation frequency and the irrigation volume of papermaking wastewater in saline reed field of Yellow River Delta, which is of great significance to the exploitation and utilization of papermaking wastewater resources.

该研究为黄河三角洲内陆盐碱地区芦苇群落在造纸废水灌溉下的适宜灌溉次数和灌溉水量的确定提供了科学依据，有利于造纸废水资源的合理化开发利用。

The line is mainly used to produce single wing drip irrigation tape for water dropping irrigation.

该生产线主要用于生产滴水灌溉用单翼迷宫式滴灌带。

Duration of inversion temperature near ground surface is longer, air temperature is lower, air humidity is higher and water surface evaporation of 20cm standard pan on the top of canopy is generally lower under sprinkler irrigation condition than those under surface irrigation condition.

喷灌跟地面灌溉相比，喷灌条件下近地面出现的逆温时间长，空气温度低，离地面1～4米高度范围内空气湿度大；冠层顶部20cm蒸发皿水面蒸发量小；喷灌条件下0～60cm土层内土壤含水量较高且变幅较小，白天地表温度低，晚上地表温度高。

Therefore, the promotion of water-saving irrigation technologies, is urgent, and the survival and development of irrigation.

因此，推广节水灌溉技术，既是当务之急，也是灌区生存发展的必由之路。

And the method for designing irrigation unit of micro-pressure drip irrigation system was also put forward.

微压滴灌技术为未来滴灌技术的发展开辟了一条新的途径。

The relationships among designed water head of drip irrigation, investment of water transfer pipe networks and operation of drip irrigation system were analyzed.

该文从滴灌系统设计水头与工程输配水管网投资及运行的关系等方面进行了分析。

Through theoretical analysis, experimental research and numerical simulation, this thesis studied not only in the micro-pressure drip irrigation system itself, but also the effects of micro-pressure drip irrigation to soil water movement and crop growth.

本文正是围绕目前微压滴灌技术存在的一些问题，对微压滴灌技术的应用问题作了大量的基础性研究。

This paper in theory researches and analyzes the relationships among designed water head of drip irrigation and investment of water transfer pipe networks and system running of drip irrigation system.

该文从滴灌系统设计水头与工程输配水管网投资及运行的关系等方面进行了理论研究分析。

According to the plot experiments in 2006 and 2007, the growth, yield and water use efficiency of sweet pepper with different irrigation low limits under alternate partial root-zone irrigation in greenhouse were investigated.

依据2006、2007年两年小区试验，对根系分区交替灌溉条件下温室甜椒生长、产量及水分利用效率对不同灌水下限的响应进行了研究。

Fine effects were acquected on improving work efficiency and quality of landscape plants. Based on the application of drip irrigation and fertilization system for 5 years, we analyzed and summarized advantages and disadvantages of this system, and provided experiences for extending water-efficient irrigation in cubs anon of container seedling.

本文在总结广州长虹苗圃五年来应用滴灌施肥系统实践经验的基础上，分析滴灌施肥系统在苗木培育中应用的优势与不足，提出应对方法，为推广容器育苗规模化生产中实施节水栽培提供参考。

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。