埋地部分管道隐蔽前必须做灌水试验，试验合格后方可隐蔽。
Some hidden underground pipeline irrigation must be done before the trial can be hidden after passing.
成熟期灌水试验以打顶、圆顶、成熟各灌水一次经济效益最佳。
The economic benefit of irrigating at topping, doming and ripening stages once respectively in maturing irrigation experiment was best.
不同时间揭膜与灌水试验以35天揭膜后灌水的处理经济效益最好。
The economic benefit of irrigation and exposing polyethylene mulch after 35 days in the experiment with different exposing polyethylene mulch and irrigation time was best.
利用蓄水单坑土壤水分运动试验装置结合负压计进行蓄水单坑灌水试验。
By using the experimental device of soil moisture movement of single water storage pit and suction gauge, irrigation experiment of single water storage pit are conducted.
运用正交试验设计方法在田间进行灌水试验，结果表明：波涌阀前调节阀入口压力是影响波涌阀阀片转换的主导因素；
The main factor was the entrance pressure of the regulating valve before surge valve to influence the conversion of valve slice of surge valve.
喷灌施肥的试验结果表明，化肥施入量与灌水量的分布都可以用正态分布来表示，且它们的分布比较接近。
Fertilizer irrigation experiment showed that distributions of both fertilizer and water applied through sprinkler system can be represented by an approximate similar normal distribution function.
进行了不同灌水方式对烟田土壤性状、烤烟农艺性状和经济性状影响的试验。
The experiments on effects of different irrigation methods on characteristics of soil, agronomic and economic characteristics of flue-cured tobacco were conducted.
第二部分对渗灌管埋深对灌水均匀度和土壤水分分布的影响进行了试验研究。
In the second part of the thesis, an experimental study on the effect of embedded depth on the uniformity coefficient of irrigation and the distribution of soil moisture was made.
采用田间试验研究了成熟期灌水对烤烟农艺性状、化学成分和致香物质含量的影响。
A field experiment was conducted to study the effects of irrigation during maturing stage on agronomic characteristics, chemical components and contents of flavor matter of flue-cured tobacco.
试验期间灌水采取滴灌方式，土壤水分控制以称重法和取土烘干法为主，辅以TDR法。
The irrigation way was drip irrigation during experimental time, and the control of soil water content was mainly by oven drying method as well as assistance of TDR.
本文通过土壤入渗及灌水技术大田试验研究，指出了西营河灌区土壤入渗的规律、田间灌水质量状况及其改进途径。
The law of soil infiltration, the current quality of field irrigation and its improvement measures will show results from THD soil infiltration and field irrigation tests in the farmer's field.
根据大量试验研究成果，提出了波涌畦灌灌水技术要素设计的理论方法和经验方法。
Based on a great amount of experimental research, the theoretical and empirical design methods of surge flow border irrigation technical parameters are presented.
本文应用望都实验站连续两年冬小麦的不同灌水处理下对应的产量的试验资料，对河北平原的水分生产函数进行了拟合。
In this paper, based on the successive two years data in Wangdu Irrigation Experimental Station, crop-water production function in Hebei Plain were simulated.
为了确定影响膜上灌玉米生长发育的主要因素，采用正交试验研究单种玉米小畦膜上灌条件下，不同灌水定额、灌水次数和氮磷配比对玉米生长发育和产量的影响。
Take orthogonal experiment to study the yields and growth of corn under the condition of different irrigation frequency, different irrigation water quota, different N/P and irrigation on film.
试验表明这种灌水方法是可行的，无压灌溉系统不需任何动力设备为其提供压力，节约了能源。
Irrigation needs no power, and it can save cost and energy sources. The results indicate the feasibility of the method.
通过建立岩体中灌浆管状模型，利用灌浆施工中常用的活塞式灌浆泵，进行了圆管模型灌水(浆)试验。
The circular tube grouting test was made by the established model of grouting slurry tube in rock mass and using piston type grouting pump commonly used in grouting engineering.
通过有限灌水技术试验证实，穴灌的净增值率高达58.7%。
The experiment of limited irrigation indicated that the increase in value of den irrigation reached up to 58.7%.
通过温室培养试验，研究了不同生长期缺水和补充灌水对冬小麦氮素吸收利用和土壤残留的影响。
Supplemental irrigation at over-wintering, jointing or filling stage significantly increased the nitrogen uptake by plant and decreased the nitrogen residual 47.
结果表明，在试验条件下平均入渗速度随灌水定额的增加而减小；
The results indicate that the average infiltration rate reduces with the increase of the irrigation quota.
结果表明，在试验条件下平均入渗速度随灌水定额的增加而减小；
The results indicate that the average infiltration rate reduces with the increase of the irrigation quota.
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