查询词典 moisture in the soil

In the design of drip irrigation system, the choice of dripper discharge affects the irrigating water quality and the costs of drip irrigation engineer, while the soil moisture uniformity for line source drip irrigation affects crops water use directly, and it is the foundation to design drip irrigation system.

滴灌系统设计中，滴头流量的选择关系到灌水质量和滴灌工程的造价问题；而线源滴灌土壤湿润均匀性问题影响到滴头流量的选择，并直接影响着作物对水分的利用，是滴灌系统设计的基础。

Based on the technological requirements of drip irrigation and the factors influencing the dripper discharge, the importance of studying the design models for dripper discharge was indicated in this paper, as well as, the foundation of designing the dripper discharge for point drip irrigation and linear drip irrigation, especially the foundation of designing the dripper discharge meeting with the soil moisture uniformity for line source drip irrigation.

本文从滴灌的技术要求及滴头流量的影响因素方面指出了研究滴头流量设计方法的重要性及点源和线源滴灌的滴头流量设计依据，特别是满足线源滴灌土壤湿润均匀性要求的滴头流量设计依据。

Due to the complexity of the interaction between electromagnetic wave and the earth's surface, especially in the district covered vegetation, vegetation canopy disturbed strongly radar backscatter coefficient. So it is difficult to monitor soil moisture.

由于电磁波与地表相互作用的复杂性，特别在植被覆盖地表区域，雷达后向散射系数会受到植被覆盖层的强烈影响，这给监测土壤水分带来了极大的困难。

The analytical results indicate that the standard absorption moisture possesses the better sort feature, but the classification grade is obviously higher according to the above specification, and the free swelling ratio of expansive soil in the middle area of Anhui Province is lower.

开展了系统的膨胀土特性试验，对各项判别指标之间的相关性和判别结果的一致性进行研究，探讨新规范推荐标准在皖中地区膨胀土判别与分类中的适用性以及合理的分级评判标准。

Moreover, the application of the approach in detecting the soil moisture variation by a large scale lysimeter with a weighing system was introduced.

其中γ透射法由于可在瞬时状态下较为准确地测定土壤水分剖面的变化，且具有层间分辨率高等特点，因而愈来愈受到国内研究者的重视，取得了不少研究成果[1-3]。

The moisture and salinization movement mathematical model in the field under subdrainage condition is based on the assumption of neglecting the effects of horizontal hydraulic gradient,It can analogy the changes of soil water content and salinization which are changed with times and depth.

论文在忽略水平方向水力梯度影响的假定下建立了排水条件下麦田水盐运移模型，模拟土壤水盐含量随时间、空间的变化情况。

Effect of crops on soil moisture was in the order: continuous alfalfa＞continuous winter wheat＞bare fallow.

不同作物对土壤水分含量的影响强度顺序为：苜蓿＞小麦＞休闲地。

The soil moisture favorable to increasing squares and bolls in these stages was 54, 68, 64 and 63 percent of field capacity respectively.

这些阶段有利于增蕾保铃的土壤湿度分别为60%、66%、64%和63%。

The experiment of soil moisture conservation in summer fallow land in the years of1983～1984 indicated that the method to mulch.

1983年和1984年进行的夏闲地保墒方法试验表明，采用麦糠或麦草覆盖的方法可以在0～2m土层多保蓄土壤水分54～64mm。

In permafrost region, most of the rainfall is always freezing in the ground or used to supplement the deficit of soil moisture and don't product runoff directly, there's only a better correlation on runoff at spring and summer flood.

多年冻土区降水大部分冻结在土壤中或者用来补充土壤水分的亏缺，不能直接产流，只有在春汛和夏汛期间与径流保持较好的相关关系。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了