查询词典 irrigation

This paper puts forward an optimal design method for designing standards of irrigation pivot engineering in the inland arid area on theb asis of the system analysis theory.

本文根据系统分析的理论，提出一种内陆干旱区灌溉枢纽工程设计标准优化设计方法。

The result showed that when soil moisture content is 90% of the relative moisture content,it resulted in an increase in plant dry substance accumulation and strong seedling index ,a reinforce in net photosynthetic rate and root vitality ,and a decrease in transpiratory rate ,compared with the nmrmal irrigation which is 100% of th...

结果表明，土壤含水量为相对含水量的90％（PF值1.6），较常规灌至土壤相对含水量100％，植株干物质积累增大，壮苗指数提高，光合速率、根系活力增强，蒸腾速率降低。因此认为番茄苗床灌溉土壤含水量最佳上限为90％。

He is responsible for the Turkana Pipeline, which has brought irrigation to the entire Northern Frontier District.

他负责了图尔卡那湖[注2]的水利管道工程，那可是灌溉了整个北部边境区域的大工程。

In field and pot experiment to research spatial coupling of nitrogen fertilizer and irrigating water in semi-arid area in North China under unsufficient irrigation.

主要结论如下：（1）在干旱半干旱地区，进行夏玉米生产，大幅度节约灌溉水用量（全生育期灌水量从2250 m3/ha 降低到1200 m3/ha、1125 m3/ha、600 m3/ha），对作物产量影响较小，产量下降幅度在10%-15%之间。

Critical levels of external and internal cadinium exposure resulting in impaired uriniferous tubule funcfion of women and its relation to urine cadmium low molecular albuminuria and other biochemical indexes were proposed based of study on health effects of environmental cadmium pollution to residents living in Zhangshi irrigation area in several years.

本文根据张士灌区镉的环境污染对居民健康影响的多年研究，提出了镉的内、外暴露水平和对人群肾小管损伤的＂临界值＂以及镉与尿低分子蛋白等多项生化指标的健康效应关系，并通过超＂临界值＂频率和接触归因危险性评价提出了环境慢性镉危害早期判断标准的初步建议。

Winemaking techniques are a factor also as are the viticultural techniques of the vineyard, such as dry irrigation or minimal or non use of pesticides.

酿酒技术和葡萄栽培技术一样，也是其中一个因素，如干灌溉或尽量少使用杀虫剂或不使用杀虫剂。

Lastly ,the author compared and studied the above results,With the objective status of research district,based on the previous research on the water recycle of field ,the principle and crop wanter requirements and water-saving agriculture ,water balance models are chosen to draw several reference proposals on the irrigation mode ,wate

最后，比较对照不同计算方法的计算结果，进一步对作物需水量的计算方法进行评价；总结作物的需水规律，结合研究区的客观实际情况，从研究农田水分循环、作物需水量规律、节水农业出发，对灌溉模式、节水技术和水管理等几个方面提出了参考建议。

The evapotranspiration was 403mm when water use efficiency was highest. 7.During middling rainfall years, the irrigation was 190mm in entire growing period of wint

禹城地区冬小麦在中等降水年份军全生育期适宜的灌水量为 19m 左右，灌三水，宜重点保证返青拔节和孕穗灌浆期间的水分需求。

In the agricultural activities, heavy metals from atmosphere,mineral fertilizer, pesticide, wastewater irrigation and industrial waste materialall enter the soil directly and result in the cumulation of cuprum and zincum inlarge amounts in soil.

在农业生长中，来源于大气、矿质肥料、农药、污灌以及工业废弃物的重金属直接进入土壤，造成铜、锌在土壤中大量累积，破坏了土壤环境中的营养元素平衡，降低了农产品的产量和质量，威胁着人、畜的健康。

Part II: In accordance with the meaning of Zhuang toponomys, summed up several factors strong associated with the spatial distribution of the Zhuang toponomy,including the altitude, distance to the central cities, and distance to traffic line, whether in the land of paddy soil or irrigation area, the slope and aspect.

第二部分：根据壮语地名的涵义，总结出了海拔高度，与中心城市距离，与交通线距离，是否靠近或在灌溉用地或水稻土范围内、山体坡度、坡向几个与壮语地名的空间分布存在相关性的因子，经过统计分析发现壮语地名和非壮语地名相比较而言在空间分布上具有这样的特点：聚居地海拔高，与中心城市距离远，拥有灌溉耕地的机会多，距离铁路近。

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。