| 摘要 |
AN APPARATUS FOR MEASURING A COMPOSITION OF A FLUID FLOWING THROUGH A FLOWLINES (1) IS PROVIDED, THE APPARATUS COMPRISING A CONDUIT (5) SUITABLE TO BE CONNECTED TO THE FLOWLINE (1) SO THAT A STREAM OF THE FLUID FLOWS THROUGH THE CONDUIT (5), A RADIOACTIVE SOURCE (15) ARRANGED IN A MANNER THAT RADIATION FROM THE SOURCE (15) PASSES THROUGH THE STREAM OF FLUID AND THROUGH A WALL OF THE CONDUIT (5), A DETECTOR FOR DETECTING RADIATION PASSING THROUGH SAID STREAM AND THROUGH SAID WALL, AND MEANS TO GENERATE A SINGNAL REPRESENTATIVE OF THE RADIATION DETECTED BY THE DETECTOR. IN ONE ASPECT OF THE INVENTION THE WALL OF THE CONDUIT (5) COMPRISES A FIBRE REINFORCED RESIN. IN ANOTHER ASPECT OF THE INVENTION THE DETECTOR COMPRISES A SOLID STATE DETECTOR. (FIG. 1)
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