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在有关化工生产的物料分离过程中,气液平衡数据有重要作用。特别是应用电子计算机进行设计计算时,更需要大量准确可靠的气液平衡数据。由于绝大多数溶液都是非理想体系,因此测定气液平衡数据的主要工作是测定物质在不同温度、不同组成时的活度系数。实际生产中都是多元体系,由于大量实验数据的积累和溶液理论的发展,有可能通过测定二元
In the process of material separation related to chemical production, the gas-liquid equilibrium data plays an important role. In particular, the application of electronic computer design calculations, but also the need for a large number of accurate and reliable gas-liquid equilibrium data. Since the vast majority of solutions are non-ideal systems, the main task of determining the gas-liquid equilibrium data is to measure the activity coefficients of the materials at different temperatures and in different compositions. The actual production is a multi-system, due to the accumulation of a large number of experimental data and the development of the solution theory, it is possible to determine binary