单项选择题
A．聚乳酸 B．硅橡胶 C．卡波姆 D．明胶-阿拉伯胶 E．醋酸纤维素
A．C=k0(1－e-kt)/Vk B．logC’=(－k/2.303)t’＋log(k0/Vk) C．logC’=(－k/2.303)t’＋log(k0(1－e-kt)/Vk D．logC=(-k/2.303)t＋logC0 E．logX=(－k/2.303)t＋logX0
A．羟丙基-β-环糊精 B．乙基-β-环糊精 C．聚乙二醇 D．Ⅱ号丙烯酸树脂 E．甘露醇