沙地

Ingredient analysis, grain size analysis and scanning electron microscope observation show that the sands of Huangyangtan sandy land come from the diluvium on Huangyangtan platform and the alluvium of Yanghe river.

对黄羊滩沙地进行物质成分分析、粒度分析和扫描电镜观察，结果表明：黄羊滩沙地的物质具有二源性特征，分别来源于黄羊滩洪积台地洪积物和洋河冲积物。

Corresponding measures are proposed to protect well field and water environment by setting well field gradational protection system, and expl...

提出了建立水源地分级保护体系、以拦蓄排泄带方式开采地下水等保护水环境的应对措施；还介绍了防治或减轻含水层结构破坏的"开采技术措施"；在一定措施控制下的"含水层再造技术"；在烧变岩带采用"疏排型水源地开采技术"；"排水-供水-生态环保三位一体结合技术"以及针对矿区周围沙地较多特点的"矿井水沙地净化处理技术"。

It is a key way to cultivate fruit tree under structure to enhance produce capacity in desert region of Northern Henan. Effect of plastic solar house on growth and fruiting of nectarine has been studied.

果树设施栽培是提高豫北沙地果树种植业生产潜力的有效途径之一，是沙地高效农业发展新的经济增长点。

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。

Lastly, this paper summarizes the research advances of P. pinaster at home and abroad, and the examples of successfully introducing this species overseas. All of these provide theoretical and technical information for our introduction work.

文章总结了沙地海岸松在国内外的研究进展，以及被成功引种海外的实例，从而为中国成功引种沙地海岸松提供了理论和技术的支持，进一步确定了在中国引进这一优良树种的成功必然性。

The change trend of flowing sandlot in north-east Wulanbuhe desert was analyzed, and the results showed that flowing sandlot area is gratdully reducing.

本文首先对乌兰布和沙漠东北部流动沙地面积变化趋势进行了分析，分析结果显示，该区域的流动沙地有逐步减少的趋势。

The aim of this research is to understand the ecological relationship between sand vegetation and environment, adaption charactristics of psammophilous plants to sandy environment and feature of plant resources in Otindag Sand Land, and further to provide theory evidence for selection optimal sand-fixation species and planning feasible process of vegetation restoration in desertification control.

本论文的目的是了解沙地植被与环境的生态关系、沙生植物适应沙地环境的特点以及沙地植物资源特征，为在沙漠化防治中选择合适的治沙物种、制定合理的植被恢复方案提供理论依据。

At first,ecological mat can effectively reduce soil temperature of the soil layer from 0 cm to 15 cm,in detailed,the average daily soil temperature can decrease 2.06℃ to 4.56℃,which is benefit to reduce soil evaporation in high temperature;During the rainless period,the soil moisture content covered by ecological mat is much higher than mobile sand,especially,the soil moisture content of the layer form 0 cm to 15 cm always keep ...

首先生态垫能够显著降低沙地0~15 cm的土壤温度，日均温可降低2.06~4.56℃，有利于沙地高温条件下减少土壤蒸发；在连续无降雨的情况下，生态垫下各层次的土壤含水量都高于流动沙丘裸地，尤其是15~30 cm含水量相对稳定，人工植被建立后，其保存率、生长量较流动沙地均有较大幅度的提高。

The degradation process of the sandy rangeland expresses the change from fixed sand to semifixed sand.

沙地草场退化过程主要表现为固定沙地向流动沙地的演化。

The results show that the proportion of the soil evaporation to the precipitation is greater than 60% in wandering dune and semi-fixed dune, and it is 44.8% in fixed dune.

研究指出，自然条件下该区土壤蒸发占降水的比例在流动沙地和半固定沙地大于60%，在固定沙地为44.8%。

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。