14.有些polymer在高濃度時對厭水性膠體有保護作用,但在低濃度時,反而促進凝結
(coagulation),此種現象稱為:
(A)Sensitization
(B)Steric stabilization
(C)Charge stabilization
(D)Protective action
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統計: A(2340), B(534), C(423), D(823), E(0) #624579
統計: A(2340), B(534), C(423), D(823), E(0) #624579