* WARNING IN PHYSICAL PROPERTY SYSTEM
VISCOSITY MODEL MUV2WILK HAS MISSING PARAMETERS:
MUP (DATA SET 1) MISSING FOR COMPONENT CH3NO-01. MUP = 0 IS USED
* WARNING IN PHYSICAL PROPERTY SYSTEM
MUP (DATA SET 1) MISSING FOR COMPONENT C4H6O-01. MUP = 0 IS
请问MUP是什么参数,为什么亚硝酸甲酯没有粘度。