大佬们这是什么意思

fireave

->Processing input specifications ...

  Flowsheet Analysis :

COMPUTATION ORDER FOR THE FLOWSHEET:
B1 B2

->Calculations begin ...

      ACTIVITY COEFFICIENT MODEL GMUFAC HAS MISSING PARAMETERS:
      UNIFAC GROUP STRUCTURAL INFORMATION PARAMETER, UFGRP (DATA SET 1),
      MISSING FOR COMPONENT C6H5NO3; NO UFGRP PARAMETERS SUPPLIED BY USER;
      DEFAULTS NOT FOUND IN DATA BANK

! Calculations stopped because of missing  property parameters

edwardlau

可能是你选的模型无法估算这个物质的某个物性参数吧

换几个物性方法试试看，或者自己添加一些这个物质的物性

cgq7408

缺少某些参数

banknation

最好把文件传上来