A.4:2:1
B.3:2:1
C.2:2:1
D.1:2:1
E.2:3:1
[单选题]制备乳化液状石蜡时,初乳中油、水、胶的比例为A.1:1:1B.2:2:1C.3:2:1D.4:2:1E.5:2:1
[单选题]以胶类作乳化剂时,初乳中油(植物油)、水、胶的比例是A.1:1:1B.1:2:1C.1:2:1D.2:4:1E.4:2:1
[单选题,A1型题] 采用于胶法制备乳剂时,在初乳中植物油、水、胶的比例通常为()A .1:1:1B .2:2:1C .3:2:1D . D.4:2:1E .5:2:1
[单选题]采用干胶法制备乳剂时,在初乳中植物油、水、胶的比例通常为A.1:1:1B.2:2:1C.3:2:1D.4:2:1E.5:2:1
[单选题]采用干胶法制备乳剂时,在初乳中植物油.水.胶的比例通常为A.1:1:1B.2:2:1C.3:2:1D.4:2:1E.5:2:1
[单选题]采用干胶法制备乳剂时,在初乳中植物油、水、胶的比例通常为A.1:1:1B.2:2:1C.3:2:1D.4:2:1E.5:2:1
[单选题]采用于胶法制备乳剂时,在初乳中植物油、水、胶的比例通常为A.1:1:1B.2:2:1C.3:2:1D.4:2:1E.5:2:1
[单选题]采用干胶法制备乳剂时,在初乳中植物油、水、胶的比例通常为()A.1:1:1B.2:2:1C.3:2:1D.4:2:1E.5:2:1
[单选题]干胶法乳化植物油,初乳中油、水、乳化剂的比例应为()。A .4:2:1B .4:1:2C .3:2:1D .2:2:1
[单选题,A1型题] 在用湿胶法制备乳剂时,若油相为液状石蜡,油、水、胶的比例常选择()A . 1:2:1B . 2:2:1C . 3:2:1D . 4:2:1E . 5:2:1