This paper compares two methods of realizing multi-pump constant-pressure water supply by an AC drive.
多泵变频恒压供水常用的两种方案，比较了两种方案的优劣。
Data storage module designs a simple file system, which makes the management of multi-pump testing data become possible.
数据存储部分设计了一种简易的文件系统，实现多台水泵测试数据的管理。
Multi-pump station and multi-heat station make the objective function and constrains of oil pipeline more complicated.
多泵站多热站决定了输油管道优化运行的目标函数和约束条件的复杂性。
The control scheme for multi pump operation is thus improved, which changes pump frequency and controls pump operation according to water consumption.
改进了多台水泵的控制方式，即根据系统用水量改变水泵频率从而控制水泵的运行情况。
As an optimization of heat pump multi - effects evaporation flow, the interlaced heat pump flow that is more economical than other flows is put forward.
文章针对热泵多效蒸发流程进行优化，提出了更加具有经济性的间隔式多效蒸发热泵流程。
To perform the daily dispatch of multi regional power network with hydro plants, thermal plants and pump storage plants, a new algorithm based on mixed integer planning is presented.
提出了求解具有水、火电厂和抽水蓄能电厂的多区域电网日经济调度问题的基于混合整数规划的新算法。
Mode analysis system for oil fuel pump spouted by electricity is a multi-way input and output status analysis system.
电喷燃油泵模态分析系统是一套多路输入输出分析系统。
The experimental results have proved that BP network can efficiently diagnose and distinguish the multi-faults of bearing in reciprocating pump, and the successful rate is high.
试验结果表明，利用BP网络可以有效地诊断与识别往复泵轴承多故障模式，并且具有很高的成功率。
So, the study of characteristics of port plate pairs has great guiding significance and practical significance to the development and design of multi-action constant axial piston pump.
因此开展配流副特性研究，对开发设计这种多作用恒流轴向柱塞泵具有十分重要的指导意义和现实意义。
Aiming at the fuzzy and incomplete nature of fault characteristics of axial piston pump, a method of Bayesian networks and multi-characteristic information fusion was proposed.
针对轴向柱塞泵故障特征的模糊性和不完备性特点，提出一种多特征信息融合与贝叶斯网络相结合的故障诊断方法。
The application of concentration system with multi - effect thermal compression pump could reduce the consumption of the steam and lower the production cost.
采用多效带压泵的浓缩系统，可大大减少加热蒸汽的消耗量，降低生产成本。
Mechanical seal: this type is especially suitable for multi-stage slurry pump in series and without leakage.
机械密封：该形式的密封特别适用于多级串联渣浆泵的密封，完全无泄漏。
The invention provides the improved multi-grade centrifugal pump which has the advantages of good stability, good reliability and lowered cost.
本发明提供一种稳定性好、可靠性好、降低成本的改进型多级离心泵。
Type DG pump is single casing segmental multi-stage centrifugal pump, the main parts of it are stator, rotor, bearing and shaft seal.
本型泵是单壳体节段式多级离心泵，主要由定子、转子、轴承和轴封四大部分组成。
The GC series boiler feed pump is multi-stage single-suction sectional horizontal centrifugal pumps.
本系列泵是卧式单吸多级节段式离心泵。
The stability problems for serial operation of large, multi-stage pump stations is discussed in view of the electric design point on Shan…
结合山西万家寨引黄工程，从电气设计角度，探讨了大型多级泵站串联运行稳定性问题。
Multi-stage centrifugal pump is mainly used for high head applications environment, use deep, high-rise residential water supply, fire water supply.
多级离心泵主要用于高扬程的应用环境，应用于深井、高层住宅的供水、消防供水等。
The shaft of a multi-stage centrifugal pump is easy to bend because of being thin and long and providing large transmission power.
多级离心泵泵轴细长，传递功率大，工作时易弯曲引起故障。
The centrifugal sewage pump is the typical multi-phase flow fluid machinery, which is mainly used to transport and lift solid-liquid two-phase flow including a certain extent of gas.
离心式污水泵(即污水提升泵)，是典型的以输送固液两相流为主，同时含有不定量气体的多相流流体机械。
The transmission ratio of manual variable single-pump single-motor hydraulic transformer is not accurate. To avoid the problem, the single-pump multi-motors hydraulic transformer is proposed.
针对单泵单马达液压变速器手动变量传动比不准确的问题，提出了单泵多马达液压变速器。
Using examples from a pump manufacturer in Nanjing, the questions existed in current management with multi-type and small batch in China were analyzed.
以南京某制泵有限公司为例，浅析我国现阶段企业“多品种，小批量”管理中所存在的问题。
As an optimization of heat pump multi-effects evaporation flow, the interlaced heat pump flow that is more economical than other flows is put forward.
文章针对热泵多效蒸发流程进行优化，提出了更加具有经济性的间隔式多效蒸发热泵流程。
The vibration signals of hydraulic pump with different fault types have different complexity. The multi-scale entropy is introduced into the fault identification of hydraulic pump.
针对不同故障类型下的液压泵振动信号具有不同复杂性的特点，将多尺度熵引入到液压泵故障识别中。
Our simulation results also show that these multi-tone pump phase modulation techniques are more appropriate for the future high bit rate systems.
我们的分析结果还指出这种多重单频正弦波泵浦相位调制技术更加适合于将来的高比特速率系统。
D-S evidence theory is applied in the multi-sensor data fusion, the generalized method of the data fusion is proposed and applied in the fault diagnosis of the hydraulic pump.
将D - S证据理论应用于多传感器数据融合，提出了多传感器数据融合一般化方法，并将其应用于液压泵故障诊断。
D-S evidence theory was applied in the multi-sensor data fusion, the generalized method of the data fusion was proposed and applied in the fault diagnosis of the hydraulic pump.
将D - S证据理论应用于多传感器数据融合，提出了多传感器数据融合一般化方法，并将其应用于液压泵故障诊断。
Secondly, analyzing statics characteristic of the multi-gear pump demonstrates that radial hydraulic pressure, meshing force and resultant force are balanced on the center wheel.
其次，对多齿轮泵的静力学特性作了分析，证明了中心轮径向液压力、啮合力及总作用力平衡。
A novel multi-layer Charge-Pump Phase-Locked Loop (CP-PLL) behavioral model is presented in this paper.
提出了一种全新的电荷泵锁相环的行为级建模方法。
Carry the Frontier filter as a back up on multi-day backpacking trips in case larger pump filters clog or become damaged.
携带Frontier过滤器可作为多天背包旅行的备用，用于大型泵式过滤器阻塞或损坏后。
Carry the Frontier filter as a back up on multi-day backpacking trips in case larger pump filters clog or become damaged.
携带Frontier过滤器可作为多天背包旅行的备用，用于大型泵式过滤器阻塞或损坏后。
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