aspen模拟反应器时出现了问题，请好心大神帮忙指点指点
WARNING WHILE CHECKING INPUT SPECIFICATIONSBLOCK NAME: RSTOIC MODEL NAME: RSTOIC
PHYSICAL PROPERTY PARAMETER DHFORM OR DHAQFM IS MISSING
FOR THE FOLLOWING COMPONENTS:
DMO
ABSENCE OF THIS PARAMETER WILL RESULT IN INCORRECT ENTHALPY RESULTS.
Flowsheet Analysis :
Block $OLVER01 (Method: WEGSTEIN) has been defined to converge
streams: 3
COMPUTATION ORDER FOR THE FLOWSHEET:
$OLVER01 MIXER-1 HEATER COMPR COOLER RSTOIC COMPR-1
|COOLER-1 FLASH COOLER-2 MIX
(RETURN $OLVER01)
->Calculations begin ...
> Beginning Convergence Loop $OLVER01 Method: WEGSTEIN
VAPOR PRESSURE MODEL PL0XANT HAS MISSING PARAMETERS:
PLXANT/1ST ELEMENT (DATA SET 1) MISSING FOR COMPONENT DMO
****PROPERTY PARAMETER ERROR
ERRORS ENCOUNTERED IN CALCULATION OF VAPOR-LIQUID K-VALUES USING
OPTION SET NRTL-RK FOR KVL
! Calculations stopped because of missingproperty parameters
请问这些问题该怎么解决呢？？？是在没辙了，论文好难写
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