查询词典 jockey pump

The main products are the United States Milton metering pumps, pump-up due to magnetic force, Dalian Sool TING centrifugal pumps, all kinds of pneumatic diaphragm pump, processors and Canadian drug pipeline system.

主要产品有美国米顿罗计量泵、胜达因磁力泵，大连苏尔寿离心泵、各种气动隔膜泵、管道处理器及加药系统等。

Research content and research object. The Coagulant Dosage Automatic Control System is discussed emphatically. Including the relation is put up between target standard and the infection factor by date analyzed chart and educational established and sum up the best working point. The target standard including SS COD and OIL .The infection factor including the dosage of PAC PH Mill INTENSION and TIME. On the basis of craft character and control request, it makes a selection of scheme to the whole control system. Finally a scheme is chosen and described as follows: CPU222 of SIEMENS PLC S7-200 is used as the control kernel. V606IC TOUCHER is used as communication man and machine. Controlling pump, compressor, metric pump of system by gathering andanalyzing the flow, PH of raw water .

重点探讨系统的投药自动化，包括系统的数学模型建立的过程，通过数据分析，采用图表和方程式建立系统排放指标(SS、CODcr、含油量)，与各种因素(PAC用量、PH值、搅拌强度、时间)的关系，确定系统的最佳工作点；根据系统工艺特点以及控制要求，对控制系统设计方案进行了选择，确定以西门子PLC(S7-200 CPU222)为控制核心，V606IC10触摸屏作人机界面，通过对原水流量和PH计采样、分析，实现系统中的泵、风机、计量泵等控制；文中从功能上简要地介绍监控系统和给出了自动化原理构成图、PLC软件流程图及部分主要程序。

After comprehensive analysis, we can conclude that the given design method of trapeziform labyrinth screw pump is practical and design parameters are reasonable. The educed result has the directive significance for engineering practice of this kind of pump.

综合分析后发现，本文针对梯形迷宫螺旋泵给出的设计方法切实可行，设计参数合理，对实际生产有指导意义。

Differential pressure compensating pump is a new one that can generate underbalance low pulse, it is also called underbalance pulse deep oil well pump.

压差补偿泵是一种能产生负压低脉冲的新型结构的抽油泵，又名负压脉冲深井采油泵。

Metering rooms in Daqing oilfield adopt microcom puter to meter and LQR-50 type gas meter and float ball joint control pipeline pump. In operation, oil en tering gas meter or float ball malfunction to make pump unstarting or ceaseless frequently.

大庆油田计量间采用微机控制计量，选用的LRQ-50型气表和浮球接点控制管道系在运行时，经常发性气表进油以及浮球失灵造成泵不启动或启不停等现象。

This paper has mainly analysedvertical oblique flow circulating pump operation properties. Through monistic flowdesign theory, carried out preliminarily design for impeller, and completedthree-dimensional model analysis through CAD software. With the aid of CFD-FLUENTsoftware platform, have carried out value for flowing imitation in pump, the SIMPLECmethod on unstructural grid has realized pressure the couple of speed, which verified theresult of preliminary design.

本文主要分析了立式斜流循环水泵运行特性，通过一元流设计理论，对叶轮进行初步设计，并通过 CAD 软件进行立体三维模型分析，借助 CFD-FLUENT 软件平台，对水泵内流场进行了数值模拟，利用非结构网格上的 SIMPLEC 方法实现压力-速度的耦合，对初步设计进行计算结果的验证。

This pump is a new stainless stee multiusage vacuumpump with water circulation.it has big power,and multipe air exhaustor.and fixed,inside and ontside water circulation,can be with five tap for suction direct display at the same time,the pump has the advantages of unuse oil,non-pollution,big power,lower noise,easy movement, save water and electricity one machine with multi-usage.

该泵是大功率多头抽气的一种新型不锈钢循环水式多用真空泵，本机设计内外循环水，可以五头同时抽气，具有不用油、无污染、功率大、噪音低、方便灵活，节水省电等优点，一机多用。

VMP metering pump from a set of FMI and a cascade from the second step into the motor, FMI is a now widely recognized precision stepper motor driven valveless metering pump.

VMP的电压差计量从FMI系列设置和级联泵从电机到第二步，FMI系列产品是现在人们普遍认识精密步进电机驱动无阀计量泵。

The auther adopted virginly the technique of the 3DPIV at home, and acquired the reliable measurement data, which assumes the important realistic signification for revealing the essence of the flowing in the pump sump, verifying the mathematical model of the CFD computation and boundary conditions, and optimizing the hydraulic design of the pump sump.

这对有效地揭示进水池内部流动的本质、校正CFD计算的数学模型及边界条件、优化进水池的水力设计，具有重要的现实意义。

The paper analyzes the performance, structure, operating life of the WARMAN pump comparing with 12PN slurry pump, and compares withthe usage effect and economic efficiency between the two pumps.

就瓦尔曼泵的性能、结构、使用寿命与12PN泥浆泵进行对比分析，并对两种泵的使用效果与经济效益进行比较，阐述了瓦尔曼泵的优越性。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48