Patent ID: 11965995
Assignee: nan
Field: Measurement (Instruments)
Classification: CPC G  A | IPC A  G

Claim 3:
4. The multi-physical field imaging system based on PET-CT and DAS according to claim 3, wherein the pressure device comprises:
a holder body, configured to accommodate the non-metallic sample to be tested;
a first end cover and a second end cover, respectively arranged on two ends of the holder body;
a confining pressure injection port, arranged in at least one of the first end cover and the second end cover;
an axial pressure injection port, arranged in at least one of the first end cover and the second end cover;
a tracer injection port, arranged in the holder body; and
a pressure transmission core rod, arranged between the first end cover and the second end cover and configured to apply axial pressure to the non-metallic sample to be tested.