查询词典 irrigation

The results indicated that irrigation water of non-pressure subirrigation was chiefly concentrated in the diameter of 20 cm around the aperture, which met the water demand of cucumber.

研究结果表明：无压灌溉的灌溉水量转换为土壤水主要集中在出水孔周围20cm范围内，能够满足黄瓜的需水要求；该灌溉技术并不降低作物产量，与滴灌相比可实现节水25%以上。

The experiment comprised of twelve non-pressure subirrigation treatments and one furrow irrigation as the control.

为了制定合理的番茄无压地下灌溉制度，指导大田生产实践，利用2 a温室大棚无压地下灌溉技术的番茄种植试验，研究了番茄根系分布特性和地上部分生物量的调控效应。

In order to find out an accurate and practical soil water movement simulation method for infiltration irrigation management, in this paper, investigations of field subirrigation using a rubber-based porous pipe were carried out, and Green-Ampt Model and Philip Method for solving one-dimensional Richard Equation were used respectively to simulate the soil water movement in perpendicular and horizontal directions.

为了寻找一种准确实用的土壤水分运动模拟方法用于指导田间渗灌，该文对一种橡塑渗灌管田间渗灌过程进行监测，并采用Green-Ampt积水入渗模型和一维水平吸渗模型Philip解法分别对渗灌过程中土壤水分在垂直和水平方向的运动进行模拟，通过与田间实测值对比，检验模型的适用性。

In order to research technical parameters and irrigation indexes of partial rootzone non-pressure subirrigation, the law of outlet flow rate at different aperture diameters and the soil water status were analyzed through cucumber experiment in greenhouse.

为了探明根区局部控水无压地下灌溉技术参数和指标，通过在蔬菜大棚中种植黄瓜的试验，研究分析了在不同供水压力条件下的孔口出水规律和根区局部湿润状况。

Based on hf=λL/DV2/2g,formulain the form of hf= K1·F has beenderived for the hydraulic gradient lines of laterals of subirrigation systems. The formula is also applicable to that of a drip irrigation system. Anotherformula,based on Chezy's V=C RS,in the from of Hf=K2IQ2·F2 has been worked out for the laterals of sprinkler systems.

本文运用管道水动力学原理，对喷灌、滴灌、渗灌系统灌水支管的水力坡降线导出表达的理论公式，讨论其调控的可能途径，为试验研究这类系统的规划设计问题从原理上提供一个分析方法。

Traditional irrigation A2. subirrigation B1, subirrigation B2 were conducted.

试验包括地面灌溉、浸润灌溉两种供水方式、分别进行两种水分处理共4组冬小麦土柱栽培试验，每个试验同时设置两个重复。

Biotic reclamation of the saline and alkaline land means the direct planting of the salt- enduring plant in salinization land, in conventional irrigation, not to require any subsidiary condition and facilities,in which the soil salinity is retained beyond the root system zone in soil profile.

生物改良盐碱地，指利用耐盐植物直接种植，通过常规灌溉，不需要任何附加条件和设施，将土壤盐分控制在植物根系土层以下的土体中。

Subsurface irrigation is limited in its adaptation.

地下灌溉的适用性是有限制的。

It also provides some suggestion for practice in sugarcane irrigation.

喷灌是目前解决甘蔗灌溉的比较好的模式。

The product can be widely used in petroleum, chemical industry, electric system, swage treatment, agriculture irrigation and all kinds of hydraulic engineering.

现在我公司还是韩国三星压缩机、韩国现代重工核泵及锅炉给水泵、韩国21世纪株式会社消防泵的中国代理商。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。