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化学工业与工程
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��ѧ��ҵ�빤�� 2005, Vol. 22 Issue (2) :145-147    DOI:
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Calculating High-Pressure-Vapor-Liquid Equilibrium Data of C_2H_4 System Using BP Neural Network
GAO Xiao-lin,LI Zhi-jian(School of Chemical & Environment, Beijing Institute of Technology, Beijing 100081, China)
(School of Chemical & Environment, Beijing Institute of Technology, Beijing 100081, China
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Abstract�� By using the BP artificial neutral network(ANN) with the Levenberg-Marquardt algorithm,high-pressure-vapor-liquid equilibrium(VLE) data of C_2H_4 system were calculated.Temperature,x_1 and x_2 were used as input,and pressure and y as output.The comparison of the results showed that ANN could be successfully used to predict vapor-liquid equilibria at high pressures,and could be an effective method in VLE data processing at high pressure.
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Received 2005-03-15; published 2005-03-15
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������,��־��.BP�������ڼ��㺬C_2H_4��ϵ��ѹ��Һ��ƽ��[J].  ��ѧ��ҵ�빤��, 2005,22(2): 145-147
GAO Xiao-lin,LI Zhi-jian.Calculating High-Pressure-Vapor-Liquid Equilibrium Data of C_2H_4 System Using BP Neural Network[J].  Chemcial Industry and Engineering, 2005,22(2): 145-147
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