1.
The small variation of the flow rate also accompanies the variation of the pressure field; therefore a special attention should be paid to the precise measurements of unsteady flow using the orifice meter.
该文指出流量的微小变化也伴随着压力场的变化,所以用孔口流量计进行精密测量时要特别注意。
2.
square-edged orifice
直角铣孔流量计孔板
3.
orifice well tester
孔板式天然气流量计
4.
bellows-type gas or orifice meter
伸缩式气体孔板流量计
5.
STUDY ON MEASUREMENT METHOD OF SMALL ORIFICE CONDUCTANCE USING GAS MICRO-FLOWMETER
气体微流量计测量小孔流导方法研究
6.
An Analysis about Metering Additional Errors of Standard Orifice Plate Flow-meter in Measuring Natural Gas Flow-rate
标准孔板流量计测量天然气流量计量附加误差分析
7.
magnetic transmission variable aperture flow meter
磁力传动可变孔径式流量计
8.
The Orifice Flowmeter Calculation System of Software Design and Implementation
孔板流量计计算系统软件的设计及实现
9.
Factors of Influencing the Accuracy in Natural Gas Orifice Plates Measurement
影响天然气孔板流量装置计量准确性的因素
10.
Large Bore Pipe Gas Flow Measurement Using Cone Flowmeter
大口径管道气体流量测量采用锥形流量计
11.
Research and Design on the Calibrating Device of Small Caliber Flow Meter;
小口径流量计检定装置的研究与设计
12.
Wet Gas Flowmeter Based on Slotted Orifice and Neural Network
基于槽式孔板与神经网络的湿气流量计
13.
It is usual to provide a flowmeter at the column outlet.
在柱子出口处常常要安装一个流量计。
14.
Development of Intelligent Electromagnetic Flow Meter with PROFIBUS-DP Interface
带PROFIBUS-DP接口的智能电磁流量计的开发
15.
Comparing with orifice flowmeter, it features simple structure, ease installation and maintenance as well as wide range.
与孔板流量计相比，具有结构简单，安装、护方便，测量范围宽等特点。
16.
Characteristics of vertical sharp-edged orifice discharge(Ⅲ) Effect of geometry on orifice discharge coefficient
垂直锐边孔口的自由出流特性(Ⅲ)孔几何形状对孔流系数的影响
17.
Approximate Calculation of Relationship between Discharge and Seepage Coefficient in Pressurized-water Test of Cut-off Wall
防渗墙钻孔压水流量与渗透系数关系的近似计算
18.
Installation and Commissioning of Super Large Bore Electromagnetic Flowmeter for Urban Water Diversion Project
城市引水工程超大口径电磁流量计安装与调试