恒压

An experiment of water-rock interaction in the packed bed reactor between granodiorite and pure water under the condition of stable pressure of 22 MPa and continuous current has been performed to study the formation process of the Hucun skarn copper deposit in Tongling,Anhui.

以铜陵胡村矽卡岩型铜矿为研究对象，选择与成矿关系密切的花岗闪长岩，在22MPa恒压、不间断流动条件下，与纯水在叠层反应器中进行水-岩反应动力学实验研究。结果表明，水-岩反应速率与流体流速成反相关，与流体在体系内的停顿时间成正相关。

The stability and security of system, especially the question of induction machine-constant pressure variable pump/motor running reversibly in second quadrant is analyzed.

对该方案的稳态性能及安全性问题进行了分析，尤其对三相异步电动机与恒压变量泵/马达元件的第二象限运行问题做了研究，证明了该系统的可行性。

In order to pump water for the people under the uncommon condition of the frequency invertor ,this systerm has designed manual-controller.

为了防止自动系统发生故障，本设计做了手动控制器。关键词：恒压变频供水；PLC；变频器

In order to solve these problems, this paper combines control technology and transducer technology to research constant pressure water supply system. Two independent sub-systems are irrespectively built with water place sensor and pressure sensor.

为了解决这些问题，本文采用控制技术和变频调速技术相结合的方法来研究恒压供水系统，该系统与现场液位传感器、压力传感器一起组成了两个独立的闭环控制子系统。

Two independent sub-systems are irrespectively built with water place sensor and pressure sensor.

为了解决以上这些问题，本系统采用控制技术和变频调速技术相结合的方法来研究恒压供水系统，该系统与现场液位传感器、压力传感器一起组成了两个独立的闭环控制子系统。

In this paper, a magnetically pump-ebulliometer was used for measuring the isobaric vapor-liquid equilibrium data, which also can be used to determine the data of the mixture liquid there are complex chemical reactions.

本文采用泵式沸点仪，建立了一套测定恒压下汽液相平衡数据的装置，该装置亦可用于具有化学反应等复杂系统的VLE数据测定。

The article describes a process control system based on ethernet and fieldbus technology. This system can complete parameter control, storage and analysis, such as temperature, pressure, flow rate and level. In the process of control, we use PID algorithm and realize isobaric water supply, then complete the stabilization of water tank.

利用以太网，结合西门子现场总线搭建了过程控制平台，完成了对温度、压力、流量和液位这些典型过程参数的采集、存储和分析，并利用PID算法通过对变频器、电控阀门的控制，实现恒压供水任务，进而完成对于水箱液位稳定的控制。

According to hardware design,control system of equipment is studied which transducer closed-loop control is at the core.The equipment can eject stable and isopiestic pressure water jet,and display the current pressure of water jet real time.

根据硬件设计，研究了设备的控制系统，主要以变频器闭环控制电机为核心，使喷嘴射出稳定、恒压的水流，并实时显示当前的水射流压力。

Methods: Polytetrafluoroethylene and polypropylene film electrets were prepared by constant voltage corona charging at room temperatures. The charge-store stability of PTFE and PP were studied by measuring isothermal surface potential decay after different dose of ultraviolet radiation.

用常温恒压电晕充电系统将聚四氟乙烯和聚丙烯两种材料极化制备成驻极体；用补偿法测量不同剂量的紫外照射后驻极体的表面电势。

The polarization stability of the samples poled by constant voltage corona charging was investigated by means of measuring the open-circuit thermally stimulated discharge current-temperature spectrum, the electro-optical coefficient and the isothermal surface potential decay.

样品用恒压电晕充电法极化，通过测量电光效应的等温衰减监测偶极子有序取向稳定性，用开路热刺激放电、等温表面电位衰减测量等手段分析了材料的电荷动态特性。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。