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DEVICE FOR DETERMINING, IN EXTREME TEMPERATURE AND PRESSURE CONDITIONS, RELATIONSHIPS BETWEEN PRESSURE, VOLUME AND TEMPERATURE IN A PURE SUBSTANCE AND/OR A MIXTURE
DEVICE FOR DETERMINING, IN EXTREME TEMPERATURE AND PRESSURE CONDITIONS, RELATIONSHIPS BETWEEN PRESSURE, VOLUME AND TEMPERATURE IN A PURE SUBSTANCE AND/OR A MIXTURE
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机译:在极端温度和压力条件下测定纯物质和/或混合物中压力,体积和温度之间关系的装置
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摘要
The invention concerns a device for determining, in extreme temperature and pressure conditions, the relationships between temperature, pressure and volume in a mixture in liquid phase (6a) topped with a vapour and/or gas phase (6b). The device comprises a sealed cylindrical chamber (1) wherein slides, without static joint, a free piston (2). Said free piston defines in said cylindrical chamber (1) a sealed cell (6) with variable volume designed to receive said mixture (6a) topped with said vapour and/or gas phase (6b). Said device further comprises actuating means (7, 8, 9, 30) for modifying said free piston (2) position inside said cylindrical chamber.
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