查询词典 irrigation

The results showed that the total phosphorus concentration had close relation with the irrigation interval of leek field.

结果表明。福保村韭菜地排水边沟中总磷浓度和韭菜地的灌溉周期密切相关。

It indicates that emphasis should be put on the following subjects in the future: the determination of field infiltration coefficient and roughness coefficient;the optimal combination of field standard and irrigation technical index ,and the rational ground levelness degree and mode.

对近10多年来地面灌溉水流运动数值模拟方面的国内外研究进展进行了归类整理，并就目前研究中存在的不足和未来急待深入研究的问题进行了探讨，认为在今后的研究中应把地面灌溉入渗参数和糙率的确定问题，不同地区和作物条件下合理的田块尺寸与灌水要素的优化组合研究及经济合理的田间土地平整度及平地模式的研究，长畦分段灌、阶式水平畦灌、覆膜灌溉条件下的水流运动和合理灌水技术指标的研究，浑水灌溉和土壤气阻对地面灌溉水流运动的影响机理研究等作为重点内容。

The pollution of As results from the copper deposits, the lead-zinc deposits and limonite, and from their exploitation; the pollution of Cd is related to lead-zinc deposits, the exploitation, and agricultural irrigation with waste water; the pollution of Pb and Zn are mostly ascribed to the lead-zinc deposits and related exploitation.

As元素污染的主要原因是铜矿、铅锌矿褐铁矿矿床及其开发；Cd元素的污染与铅锌矿床及其开发，以及农业污灌有关；Pb、Zn元素的污染与铅锌矿床及其开发密不可分。

In addition, the relatively low α-HCH/γ-HCH ratios indicated that lindane is the current source of HCHs in Tongzhou irrigation area.

同时，除了两个样品外，其它样品的α-HCH/γ-HCH比值均小于1，平均值为0.63，表明林丹是这些采样点中HCH的主要新的污染源。

This paper discusses the status of low-pressure pipeline irrigation technology related to the concept and main content .

本文针对这一现状介绍了低压管道灌溉技术的相关概念和主要内容，并以山西省阳高县大白登镇基本农田整理项目为例，详细介绍并分析了在土地整理项目中低压管道灌溉系统的规划设计方法以及相关水力计算。

LVI market growth exceeds that of the general irrigation market reaching 10%-12% annually, taken mainly from the Overhead market.

低流量灌溉市场一般每年增长10%-12%，主要来自喷灌市场。

In this paper, the evapotranspiration of spring wheat in Horqin sandy cropland was estimated and measured continuously by Bowen ratio energy balance approach and Lysimeter,and the relationship between the changes of the soil water content caused by irrigation and rainfall and evapotranspiration of spring wheat was analyzed.

运用波文比—能量平衡法和大型蒸渗仪对沙地春小麦的蒸散量进行了连续的测定和估算，并对由于降雨和灌溉所引起的土壤有效水分变化与沙地春小麦蒸散量之间的相关关系进行了初步探讨。

In this paper, the effects of brackish water irrigation on the environment factors of soil-crop system under different groundwater depths were studied. The experiment was carried out in a lysimeter.

该文采用大型蒸渗仪研究不同地下水埋深条件下微咸水灌溉夏玉米对土壤-作物系统环境因子的影响。

The lysimeter was adopted to investigate growth, yield and water use efficiency of corn on aquic brown soil in Shenyang under different treatments of controlled alternate irrigation.

在沈阳地区潮棕壤土上，采用蒸渗仪对不同控制性交替灌溉处理下玉米生长发育、产量和水分生产效率进行分析。

I wish there are many, for example: I want to have a pair of Xiang Yi, freedom of flying in the air; I wanted to be a teacher, to the flowers of the motherland irrigation nutrition; I want to be an astronaut, on the magical mystery of space, viewing the Heaven and Earth Magic, universe wide.

我的心愿有很多，例如：我想拥有一双翔翼，在空中自由的飞翔；我想当一名老师，给祖国的花朵灌溉营养；我想当一名宇航员，上神奇奥妙的太空中饱览天地之神奇，宇宙之宽广。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。