premise: The probe can then be pushed into the vacuum sealing system and valving system with automatic stops at the load position and at the two vacuum seals.
hypothesis: A sealed, vacuum-insulated reaction flask approximates the condition of a isolated system, in which neither matter nor heat can be exchanged between system and surroundings.
hypothesis_graph_structure: vacuum-insulated reaction flask<>approximates<>the condition of a isolated system$$$neither matter nor heat<>can be exchanged<>a isolated system