RXSTR没有产物? 出现如下错误: * warning in physical property system unifac group structural information parameter, ufgrp , missing for all components; no ufgrp parameters supplied by user; defaults not found in data bank * warning in physical property system van krevelen property estimation is missing parameter values for group number (183) in segment s-seg1. the entropy of fusion has been set to zero for this group. the viscosity temperature function has been set to zero for this group. * warning in physical property system nrtl binary parameters for all component pairs are zero, your results may not be accurate. please review and provide binary parameters as appropriate. 也不知道为什么没有产物?心痛到无法呼吸! 求指导~多谢! 查看更多