提出了灌水率图形调整的数学模型。
A mathematical model for irrigation rate graph adjustment is proposed in this paper.
以压力水头为因变量的数学模型可以模拟供水压力和灌水器特性对灌溉效果的影响。
A mathematical model whose variable is water head can simulate the effects of water head and properties of subsurface irrigation pipe on irrigation.
波涌灌溉土壤间歇入渗数学模型是进行波涌灌溉田面水流运动数值模拟和灌水方案优化设计的基础。
Infiltration model for surge irrigation is the base of surface water flow movement simulation and irrigation scheme design of surge irrigation.
畦灌水流推进过程计算模型对确定灌水技术要素、田间平均入渗率和糙率有十分重要的作用。
Border irrigation current advancement process model plays an important role to determine irrigation technical index, average field infiltration rate and roughness coefficient.
对蒸散量与气温、降雨量、蒸发、相对湿度、灌水量和水分收入的相关分析，并建立优化模型。
Having carried out the correlation analysis and then established optimization pattern among ET and temperature, rainfall, evaporate, relative humidity, irrigation.
介绍了地面灌溉中畦灌水流运动的特性及零惯量模型。
The characters of border irrigation water flow movement of surface irrigation and its zero-inertia model have been introduced.
以净效益最大为原则，用所提出的模型研究了不同灌水均匀系数时的最优灌水量。
The model was used to determine optimum irrigation amount for obtaining maximum net return.
采用三因素二次回归通用旋转组合设计，研究了灌水量、氮肥、钾肥的耦合效应对番茄的影响，得到番茄产量对三因素的回归数学模型。
Using quadratic general revolving combination design with 3 factors, the effects of irrigation, nitrogen and potassium fertilization on greenhouse tomato were investigated and quantified.
在对水量平衡模型进行修改的基础上，结合零惯量运动方程，以水量平衡方程为基础，对畦灌水流演进模型的结构进行了研究。
The explicit volume balance model was modified and combined with the motion equation of the zero inertia to predict water advance in border irrigation.
为今后膜下滴灌一膜一管模式灌水量与灌水时间提供了较为简便实用的模型。
The error between field test and forecast is satisfied. So this model can provide a practical and convenient way for forecasting irrigation quantity and date.
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.
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