查询词典 orifice meter

This article makes a comparison between influence of the nature of fluid flowing on the performance of the meter and dry adjustment of flow measure probe in the application of gas supersonic flow meter and orifice-plate flowmeter in the petroleum industry.

文章对气体超声流量计与孔板流量计在天然气工业中应用的两个主要方面：流体流动特性对仪表性能的影响和流量计的干校问题进行比较，分析它们存在的问题及发展前景。

The most commonly used method for measurement of gas is the orifice meter.

孔板流量计是测量气体流量最常用的方法。

Natural gas ; Gas pipeline ; Orifice meter ; Measurement error ; Calculation ; Analysis

天然气；输气管道；孔板流量计；测量误差；计算；分析

Gas flow ; Orifice meter ; Probe ; Condition circuit ; Propulsion system

气体流量；孔板流量计；探头；调理电路；推进系统

Bored pipe shall not be considered to be usable for the fabrication of orifice meter tubes until the design engineer has reviewed the data authorized its utilization by means of his signature on the data sheet.

已经钻孔的管不能作为孔板量计管的制造材料再次使用，除非设计工程师已经审查数据，并且在数据单上签名批准，方可使用。

The system of CVS is calibrated by Laminar Flow Elements, the whole system calibrated by Critical Flow Orifice meter.

CVS系统流量标定采用层状流量计；整套检测系统测量精度标定采用临界流喷咀流量计。

Orifice flow meter and nozzle flow meter were added in the retrofit test platform to measure the differential pressure.

改造后增加了孔板流量计及喷嘴流量计实验内容，通过孔板、喷嘴测量压差，求出流量系数。

Orifice Meter - pilot valve - main valve principle.

孔板流量计——导阀——主阀原理。

In order to reduce the measurement error of heat transfer in water and air side for finned-tube heat-exchanger as little as possible, and design a heat-exchanger test-board measurement system economically, based on the principle of test-board system error analyses and design, the equation of measurement error of heat transfer in air side and water side about orifice meter for the finned-tube heat-....

本研究在探讨影响政府机关导入资讯安全管理系统的因素，并设计及发展资讯安全管理系统的绩效衡量架构。研究方法采用文献回顾及专家问卷法进行资料搜集，并应用层级分析法进行评估指标及题项权重分析。研究发现导入资讯安全管理系统之影响因素中，以「获得上级授权程度、建立整体成员。。。。

Bored pipe shall not be considered to be usable for the fabrication of orifice meter tubes until the design engineer has reviewed the data authorized its utilization by means of his signature on the data sheet.

如果未经设计工程师检查数据，并在数据表上签名认可，镗孔后的管子不得用来安装孔板流量计的管子。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。