Process tomography ( pt ) technique can provide interior behavior 2 / 3 dimension visualizing information in process equipment such as closed pipe , vessels and so on in real time , so it is a novel approach for two - phase flow parameters measurement 过程层析成像( pt )技术能实时提供封闭管道、容器等过程设备内物场运动状态的二三维可视化信息，为解决两相流参数检测问题提供了一条新途径。
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Process tomography ( pt ) technique can provide interior behavior 2 / 3 dimension visualizing information in process equipment such as closed pipe , vessels and so on in real time , so it is a novel approach for two - phase flow parameters measurement 过程层析成像( pt )技术能实时提供封闭管道、容器等过程设备内物场运动状态的二三维可视化信息，为解决两相流参数检测问题提供了一种新的途径。
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Electrical capacitance tomography ( ect ) is one of process tomography ( pt ) technique which is based on capacitance sensor , it can provide interior behavior 2 / 3 dimension visualizing information in process equipment such as closed pipe , vessels and so on in real time . ect has the advantage of being non - intrusive , fast in response , simple in structure , high safety and low in cost , so it is one technique which has great developing potential in field of petroleum , chemical engineering and so on 电容层析成像( ect )技术是近年来发展起来的一种基于电容敏感机理的过程层析成像( pt )技术，可实时提供封闭管道、容器等过程设备内物场运动状态的二三维可视化信息，具有非侵入、响应速度快、结构简单、安全性能好、成本低等优点，是一种在石油、化工等领域很有发展前景的pt技术。
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