查询词典 irrigation

By using self-made wooden boxes with two separated zones, the grapevine Vitis vinifera cv. Malvasia grafted on rootstocks 3309C, 420A and 110R, respectively, was planted, and the physiological and biochemical responses of these scion/rootstock combinations to bilateral alternative irrigation and unilateral irrigation were studied.

利用自制木箱对嫁接在3309C、420A和110R砧木上的玛瓦斯亚葡萄进行双侧根区交替灌溉和单侧灌溉两种水分胁迫处理，以探讨不同葡萄砧穗组合对干旱的适应能力。

Under drip irrigation, ET was clearly affected by the threshold of soil matric potential and the irrigation frequency.

在滴灌条件下，马铃薯腾发量受土壤基质势下限的影响要比灌水频率的影响大。

This paper took the paddy soil after saving-water irrigation as the object,which is from Taian town of Yangzhou city, selected microtomy to get undisturbed soil samples respectly between two periods(before irrigation and after harvest), built up the analytical technique of numerical picture system.It also set up the analysis index of macropore structure,such as the number of macropores N, the macroporosityφ,the area A, the perimeter P and so on. Meanwhile make analysis contrast about horizonal distribution among 4cm, 6cm and 8cm scanning areas, vertical differences per 2cm unit and contrast in time between different periods.

本文选取扬州市泰安镇节水灌溉后稻田土壤为研究对象，采用切片法取开灌前和收割后的原状土样，运用数字图像制备技术，获取大孔隙数目N、大孔隙度Φ、面积A、周长P等分析指标，对4cm、6cm和8cm扫描直径内大孔隙作水平向差异性分析，对2cm单位深度上作垂向差异性分析以及对两个不同时期作时间差异性分析。

ABSTRACT Sewage irrigation is mainly referred to irrigation with sewage water from non-industrial departments, such as family, school, and ...

城市污水灌溉是指利用生活污水来灌溉农田，这主要是指从家庭、机关、学校、医院、服务行业及其它非工业部门排放的污水。

ABSTRACT Sewage irrigation is mainly referred to irrigation with sewage water from non-industrial departments, such as family, school, and eatery etc.

城市污水灌溉是指利用生活污水来灌溉农田，这主要是指从家庭、机关、学校、医院、服务行业及其它非工业部门排放的污水。

The forecast of irrigation water volume playa an important role in the irrigation management.

灌溉用水量的预测对灌区的灌溉管理起着重要的作用。

In this paper, hydraulic performance tests on two sprinklers under different conditions are conducted. The two sprinklers are widely used for gardens irrigation in China, named model R50 of Rainbird Company and model PGP of Hunter company. On account of the sprinkler's structure, preliminary analysis on the tested data is also made. Based on the tested data, some advice on the best choice and layout of the sprinkler in irrigation design is presented.

文中对国内目前应用最多的两种园林灌溉喷头——美国Rainbird公司的R50型及Hunter公司的PGP型喷头作了不同工况下的水力性能测试，并结合喷头的结构对测试数据进行初步分析；在水力性能测试结果的基础上，对园林灌溉系统设计中喷头的合理选用与布置提出了几点建议。

This study was conducted in Taiyuan sewage irrigation area from 1997 to 2000.The research process included field investigation, sampling, lab test, model experiment and data analysis by geo-statistics method. The source, affecting factors, content condition, transference regularity, spatial distribution of heavy metal in sewage irrigation area were studied. The results showed that mercury, cadmium and lead contents of soil were higher than soil background value.

本文以在中国北方具有代表性的太原污水灌溉区为研究对象，污灌区位于山西省中部的太原盆地北端，总面积2.7万公顷，在研究区共布土样点49个，粮食作物样33个，水样点26个，大气样点6个，通过实地调查取样监测和室内模拟试验，采用地统计学和多元统计等方法，系统研究了污灌区土壤-作物系统中重金属Hg、Cd、Pb的来源、含量状况、累积影响因素、空间分布特征、迁移转化规律、重金属环境容量的区域分异与应用等内容。

Based on the tentatively study on vaporing drift loss of spray irrigation in Maowusu sandlot we draw a conclusion that wind speed and the relative humidity of air are the important factors to influnce loss of spray irrigation in there .

对毛乌素沙地喷灌条件下蒸发漂移损失进行了试验研究，经数据分析，得出风速和空气相对湿度是影响当地灌水损失的重要因素，当风速

Based on the tentatively study on vaporing-drift loss of spray irrigation in Maowusu sandlot,we draw a conclusion that wind speed and the relative humidity of air are the important factors to influnce loss of spray irrigation in there.

近年来，喷灌技术已成为解决干旱与半干旱地区缺水问题的重要节水技术措施。作为衡量喷灌工程可行性与有效性的重要指标，喷洒水利用系数也受到研究者的广泛关注。

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