This study investigates the hydraulic efficiency of constructed and natural wetlands with the EFDC numerical model.
论文利用EFDC数值模型，对人工湿地和自然湿地的水力效率进行数值研究。
The simulation results confirmed that dispersion was an important factor for hydraulic efficiency while mean residence time c.
模拟结果表明，在考察条件下，平均停留时间相差不大，散度成为人工湿地水力学效能的主要影响因素。
Rugged GIW slurry pumps provide high sustainable hydraulic efficiency, and long wear life at the lowest total cost of ownership.
坚固的GIW泥浆泵具有持续水力效率，长抗磨损寿命，降低成本。
It is clear that the influence has mainly three aspects, hydraulic efficiency, dynamic properties and theoretical delivery lift.
明确了这种影响主要体现在三个方面，即泵的水力效率及其动力性能和理论扬程。
Hydraulic efficiency of wetlands is an indicator of efficiency of waste-water treatment based on the detention time distribution.
湿地水力效率就是基于水力停留时间分布来进行湿地污水净化功能评价的重要指标。
The unit working parameter equations and hydraulic efficiency parameter equations for geometrically similar water turbomachinery are derived.
根据水涡轮机械的工作原理，对几何相似的水涡轮机械，导出了其单位工作参数所必须满足的方程。
Different geometry of stay vanes applied to reduce loss is discussed in the paper, so as to compensate lack of spiral casing and improve hydraulic efficiency.
本文探讨了通过沿圆周分布不同形状的固定导叶来降低损失，以克服此种蜗壳自身的不足，提高转轮的水力效率。
However, since the hydraulic efficiency is not obtained at a constant flow condition, whether it can represent the waste-water treatment efficiency is uncertain.
但是，由于该湿地水力效率并不是在入流流量恒定状态下所计算得到的，能否真实反映衡水湖的污水处理能力需要进一步的论证。
The experiment shows that by changing the velocity coefficient , the separation of boundary layer on pump vane can be controlled, and the performance of pump is improved and its hydraulic efficiency.
实验证明通过改变叶片型线参数方程中的速度系数的取值，可以控制边界层的分离，进而改善泵的性能，提高其水力效率。
Hydraulic performance of advanced machine, high efficiency, low noise operation.
水力性能先进，整机效率高，运转噪音低。
It has been proved in experiments that these methods not only improve the efficiency of the hydraulic system, but also the controllability of excavator.
试验证明，这些措施的采用，不仅提高了液压系统效率，而且使挖掘机的操纵性得到明显提高。
Hydraulic walking, with the completion of the various operating actions scaffold, improve efficiency, each machine can save much labor force.
采用液压行走，各个操作动作脚手配合完成，提高工作效率，每台机器可以替代大量的人力工作强度。
Traditional method for overhaul of the top of miter gate is through manual operation by hydraulic hoisting jack which has the shortcomings of low efficiency and great risk.
摘要船闸人字门顶门检修的传统方法是采用液压千斤顶手动作业，工作效率低，时间长，技术风险大。
The optimal hydraulic design can effectively improve the outlet flow pattern of suction box to ensure better flow conditions for pump and raise the efficiency of pumping system substantially.
进水流道水力设计优化可有效地改善进水流道出口流态，确保水泵有良好的进水条件，大幅度提高水泵装置效率。
The hydraulic fluid viscosity, the volumetric efficiency and the hydraulic system working efficiency drops, divulging increases, even causes the mechanical device to be unable the normal work.
液压油黏度、容积效率和液压系统工作效率均下降，泄漏增加，甚至使机械设备无法正常工作。
This paper introduces the process of repairing hydraulic cylinder by using boring and rolling combined working technology, working quantity is steady and production efficiency is high in this method.
介绍了用镗滚压复合加工技术修复液压缸筒的过程，此法修复缸筒质量稳定，生产效率高。
The comprehensive performances, including the efficiency, cavitation and stability are the emphases of research of the hydraulic machinery.
效率、空化性能及稳定性是混流式水轮机的三大综合性能指标，也是我们研究的重点。
The sticking steel is one common trouble of drilling equipment and an important cause effecting the high efficiency and high quality drilling of hydraulic drill.
卡杆现象是穿孔设备常见的故障之一，是影响液压凿岩钻机高效率、高质量穿孔的重要原因。
For the complexity of efficiency conversion of prototype and model hydraulic turbines many calculation formula are put forward but there is not universal formula.
由于原型与模型水轮机效率换算的复杂性，尽管已提出许多计算式，但至今仍未有一个被一致确认的统一公式。
The electric consumption is based on an overall pump efficiency of 40 % (Hydraulic plus Electric).
耗电量以40%的总泵效率（液压泵加电动泵）为基础。
Hydraulic characteristics and nitrification efficiency of Biological Turbulent Bed Reactor (BTBR) were studied.
试验研究了生物紊动床的水力特性及硝化效能。
Using parametric design way, water hydraulic axial piston pump's main internal parts include piston, slipper and valve plate were designed, which improves the design efficiency and quality.
运用参数化设计手段，对纯水液压轴向柱塞泵的主要部件包括柱塞、滑靴、配流盘等进行了设计。提高了设计效率和设计质量。
The nominal head was presented for preliminary selection of hydraulic models, with consideration of the efficiency and reliability at all operation conditions.
为了兼顾各种特征扬程工况下的运行效率和可靠性，在水力模型初选阶段提出了选型名义扬程的概念。
Experiments and analysis were carried out by the author to investigate the efficiency of cycloidal hydraulic motors.
本文对如何提高摆线液压马达的效率进行了分析与试验。
The relations of pipeline efficiency versus flowrate and that of hydraulic slope versus flowrate are drawn.
给出了管输效率与流量、水力坡降与流量的关系曲线。
The differential hydraulic cylinder raises the efficiency and decreases the loss of the energy.
液压缸的差动连接，提高了系统的效率，节省了能源，并且工作稳定、可靠。
Hydraulic drive system can reduce the hydraulic shock impact on the efficiency of the whole machinery by the different ways.
液压传动可以通过不同方式来降低液压冲击对整机效率的影响。
Efficiency of domestic hydraulic excavator cannot compare with those have been produced by some known foreign enterprises because of unadvanced technique, so they waste more energy.
而国产液压挖掘机由于技术落后，与国外一些知名企业生产的液压挖掘机相比，效率较低，能源浪费现象较严重。
The results also display the impeller's good hydraulic properties and the vaned diffuser's imperfect hydraulic properties and low efficiency.
计算结果还显示：潜油泵叶轮有较好的水力性能，而潜油泵导轮的水力性能是不完善的，效率较低。
The results also display the impeller's good hydraulic properties and the vaned diffuser's imperfect hydraulic properties and low efficiency.
计算结果还显示：潜油泵叶轮有较好的水力性能，而潜油泵导轮的水力性能是不完善的，效率较低。
应用推荐