aspen 中前面用的物性方法nrtl,后面用的是nrtl-rk，出提醒是什么原因那

王俊达

aspen 中前面用的物性方法nrtl,后面用的是nrtl-rk，出提醒是什么原因那？
该怎么解决？
WARNING WHILE CHECKING INPUT SPECIFICATIONS
      INCONSISTENT PROPERTIES DETECTED FOR STREAM "124"
      FROM BLOCK: "B114"  PROPERTIES: NRTL
        TO BLOCK: "B113"  PROPERTIES: NRTL-RK
  *   WARNING WHILE CHECKING INPUT SPECIFICATIONS
      INCONSISTENT PROPERTIES DETECTED FOR STREAM "125"
      FROM BLOCK: "B115"  PROPERTIES: NRTL
        TO BLOCK: "B113"  PROPERTIES: NRTL-RK
  *   WARNING WHILE CHECKING INPUT SPECIFICATIONS
      INCONSISTENT PROPERTIES DETECTED FOR STREAM "121"
      FROM BLOCK: "B113"  PROPERTIES: NRTL-RK
        TO BLOCK: "B116"  PROPERTIES: NRTL