提高毛管进口水头,灌水均匀度增加;
The emission uniformity increases as the inlet head being increased.
蓄水坑灌条件下的土壤入渗是在变水头作用下进行的。
Water infiltration of water storage pit irrigation is under varying-head conditions.
脂双层的疏水尾排列在胞膜的中心,而亲水头排在两表面。
The hydrophobic tails associated with each other at the center of the membrane with the hydrophilic heads extending towards the surface.
进一步推导发现地面沉降与地下水头降深之间具有线性关系。
Further derivation leads to a linear relationship between land subsidence and aquifer drawdown.
他的教练是愤怒,他的父母感到失望,他的走下坡路潜水头向前。
His coach is angry, his parents are disappointed, and he's diving headfirst into a downward spiral.
就像是定期洒水头,艰难的期待防水密封塑料外壳拥有多个密钥。
It looks like a regular sprinkler head and the tough water-tight plastic case holds multiple keys.
通过数学模型计算,分析水头超高与各个无量纲因子的定量关系;
The experiential formula of over-height and each influencing factor is derived based on the results of model simulations.
水头、轴头、采用生铁套,耐磨耐用,提升装置分电动和手动两种。
Head, shaft head, using cast iron sleeve, wear durability, lifting equipment sub-two kinds of electric and manual.
科学控制入畦(沟)流量、水头、灌水定额、改水成数等灌水要素。
Scientifically control the irrigation factors affecting water volume into the strips (furrows), water intake and irrigation quotas, and the proportion of water volume changes.
该水轮机的经验对今后大型高水头混流式水轮机的设计将是有益的。
Experience gained from these turbines are useful for the future large high-head Francis turbine design.
简述整治建筑物的壅水及其机理,归纳出局部水头损失壅水的通用公式。
The backwater and general formula of the local head loss of regulation structures is presented in this paper.
这些现象严重危害管道的工况,并且是影响阀道局部水头损失的主要因素。
These phenomenon jeopardize the condition of the project seriously, and it is the main factor that influences the loss of local water head.
采用神经网络(ANN)方法对沿程水头损失系数的影响因素进行了分析。
Influential factors of friction factor of head loss are analyzed by adopting artificial neural network (ANN).
论述了滤水管设计的基本要求和地下水由含水层进入滤水管时的水头损失。
This paper deals with the basic demands for designing filter tube and the head loss occurring when groundwater enters into the filter from aquifer.
在系统封闭很好的情况下,观测水位的变化基本与水头的变化呈线性关系。
When the system is confined well, the change of observation water level has a linear relation with water head change.
本文通过参数分析总结了成层介质中不同因素对最大渗滤液水头的影响规律。
Finally the variation of maximum liquid head in layered drainage media was summarized by use of parameter analysis.
实际应用显示钢板桩的实施有利于减小渗流水头、降低堤身浸润线和出逸比降。
The effect of practice showed that the seepage prevention wall is beneficial to reducing the seepage water head, decreasing the seepage line inside dike and escape gradient.
在实际管道工程中,阀门阀道的局部水头损失占管路水头损失的比例是相当大的。
Actually, in the tube engineering, the proportion of the loss of local water head in the loss of pipeline water head is big.
指出速度水头对同一液面高度的实际流量的影响及不同液面高度下的自流发油流量。
Described are the influence of velocity head on the actual flows with same level and the artesian flows for different liquid levels.
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.
地应力是影响储层沉积水水头的主要因素,地应力梯度是油气水运移的主要驱动力。
Terrestrial stress is a main control on hydrostatic head of reservoir, and its gradient powers oil, gas and water migration.
本文对使用的方法进行了初步探讨,并讨论了变水头大流量标准装置的一些其它特性。
Finally, some other characteristics of the variable water head standard device for large flow rate have been dealt with and theoretically investigated.
条件模拟方法计算出的水头、流速和水动力弥散系数的标准差要小于非条件模拟的结果;
The variability of the pressure head, velocity and hydrodynamic dispersion coefficient obtained from conditional simulation are smaller than those obtained from unconditional simulation.
文中还对岩塞起爆后,爆炸余能在进水口转化为位能所引起的附加作用水头进行了探讨。
The additional effective head due to the potential energy converted from the residual energy at the intake after blasting is also discussed.
灯泡贯流式机组具有适用水头低、流量大以及效率高等特点,广泛用于开发低水头水力资源。
Low applicable head, high flow and high efficiency characterize bulb type tubular turbine unit. These kinds of units are widely used for the development of low-head water resources.
模型针对露天矿特有的问题如含水层疏干、边界移动以及剩余水头预测提出了相应的处理方法。
Treatments of special problems for the opencut mine are suggested, such as drying up of the aquifer, boundary movement and prediction of residual head.
这一研究成果对进一步研究蓄水坑灌条件下的变水头入渗及土壤水分运动特性具有重要价值。
The research results will have an important value for studying further varying-head infiltration and soil moisture characteristic of water storage pit irrigation.
在高水头电站、抽水蓄能电站设计中,需要查明岩体在实际水头作用下的透水率、渗透特性。
In design of pumped storage station or high water head hydro-power station, it is important to evaluate the rock infiltration properties under practical water pressure.
不同的软土地基基坑围护结构降水设计对地下水水头有不同的影响,从而产生不同的地面沉降。
Dewatering for different foundation pit fencing structures in soft ground has different impacts on the head of ground water, causing different ground settlement.
自流灌区的自然低水头微灌技术,既节水又节能,但因自然水头低导致微灌系统灌溉均匀性差。
The technology of natural low-head irrigation has the advantage of water-saving and energy-saving, but its uniformity is poor for the low pressure.
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