用aspen 计算苯和二甲苯混合物的辛烷值? 用aspen计算苯和二甲苯混合物的辛烷值,运行时出现以下错误: - table generation begins ... ** error while generating prop-table: "pt-1" (while evaluating propset: "ps-1") petro props cannot be calculated because stream information is not available (a material stream is required). * warning while generating prop-table: "pt-1" (while evaluating propset: "ps-1") petro props cannot be calculated because assay data were not entered. ! table generation completed with errors 请问我该如何修改? 谢谢! 查看更多