| 摘要 |
Apparatus for monitoring in real time the movement of a plurality of substances in a mixture, such as oil water and air flowing through a pipe ( 24 ), comprises an X-ray scanner ( 8 ) arranged to make a plurality of scans of the mixture over a monitoring period to produce a plurality of scan data sets, and control means ( 26 ) arranged to analyse the data sets to identify volumes of each of the substances and to measure their movement. By identifying volumes of each of the substances in each of a number of layers and for each of a number of scans, real time analysis and imaging of the substance can be achieved.
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