| 摘要 |
A pressure treatment chamber comprising an enclosure whose interior is maintained at predetermined pressure and temperature conditions, the enclosure defining at least one access port, a rotary feeder disposed within the enclosure and being maintained at the pressure and temperature conditions of the interior thereof and communicating with the access port via a conduit extending through the enclosure and filled with a condensible gas substantially to the exclusion of atmospheric air, and pressurized fluid sealing apparatus coupled to the conduit for providing communication between the conduit and the rotary feeder while reducing the amount of gas transfer between the interior and exterior of the enclosure.
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