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Figure 2 ——Leakage past block valves or pressure safety valves is confirmed by injecting a tracer upstream and locating detectors downstream of a suspected cross-over point. If two detectors are used upstream and downstream of the cross-over point, velocities and flowrates can be determined. V1 and V2 are compared to determine the size of the leak |
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2楼2010-10-30 14:26:12
petrocatal
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3楼2010-11-01 12:18:53