下列不属于脂质体的主要特点的是
A. 缓释作用
B. 在靶区具有滞留性
C. 降低药物毒性
D. 提高药物稳定性
E. 制备工艺简单易行
亲水性凝胶骨架片的材料是
A. EC
B. 蜡类
C. HPMC
D. CAP
E. 脂肪
Why are the Labour Party and the Conservative Party said to be "well-oiled"?
A. They are well-operated.
B. They are supported financially.
C. They are well-maintained.
D. They own more supporters.
绝缘电阻表的容量吸收比和极化指数的测量有影响。()