In this paper the author apply petroleum engineering well-control theory to analyze operational principle of multilevel throttling control system in depth set up electrohydraulic proportional valve hydraulic pressure control system mathematics model and use MATLAB to make emulation analysis to it .

在本文中，笔者结合石油工程井控理论，对多级 节流控制系统工作原理作了深入的分析， 建立了电液比例阀液压控制系统数学模型，并对该模型运用MATLAB进行了仿真分析。

It indicates that there is a possibility to measure two phase flowrate and steam quality by using the simple theoretical model and a single throttling set .

这一论证预示了可以根据简单的理论模型用单一 节流 装置实现两相流流量和干度的双参数测量。

The other way to set throttling priority is by using the DB2 Control Center .

另一种 设置 throttling优先级的方法是使用DB2ControlCenter。

The spatial stochastic distribution of phase concentration would cause a differential pressure noise when two phase flow is crossing a throttling set .

两相流 流过 节流 装置时产生的差压测量噪音是由于相浓度在空间的随机分布所引起的。

A theoretical model for measuring mass flowrate and quality of two phase flow by the noise of throttling set

节流 装置噪音测量两相流量和干度的理论模型

The authors have derived a model which uses statistic average value of differential pressure square root and statistic variance of a throttling set in a two-phase flow system to estimate the mass flowrate and steam quality .

作者曾从两相分离流模型出发，推导出了利用 节流 装置在两相流中差压方根的统计平均值和统计方差估计其质量流量及干度的理论模型。

In this thesis the system with thermal expansion valve and capillary as first throttling device has been studied . A thermostatic laboratory and an air-source heat pump system of two-stage cycle with flash tank have been set up in this thesis .

本文通过实验和模拟的方法对热力膨胀阀和毛细管作为第一级 节流机构的系统进行 了研究。

Throttling allows you to set an non-adaptive rate ( the number indicate the allowable impact on the production workload ) such that you can customize the throughput of BACKUP to your environment .

调整允许您 设置一个非自适应（ non-adaptive）的事务率（该数字表明允许对生产工作负载的影响程度），以便根据环境定制BACKUP的吞吐量。

Study on the Standard Throttling Set On-line Iterative Measurement

标准 节流 装置在线迭代测量新方法的研究

Retrofitting of Differential-pressure Measuring Systemof Boiler Drum Level on No.3 Boiler in Luohe Power Plant The spatial stochastic distribution of phase concentration would cause a differential pressure noise when two phase flow is crossing a throttling set .

洛河电厂3号炉汽包水位差压测量系统改造两相流 流过 节流 装置时产生的差压测量噪音是由于相浓度在空间的随机分布所引起的。

A new method about the standard throttling set on-line iterative measurement is proposed that is based on flow measurement using the traditional standard throttling set .

在研究传统的标准节流装置测量流量方法的基础上，提出标准 节流 装置在线迭代测量新方法。