A.40W
B.50W
C.60W
D.70W
ABC
I feel my heart ______ fast now. [ ]
A. beated
B. beating
C. beat
D. to beat
渗透泵片剂控释的基本原理是
A.减小溶出B.片外渗透压大于片内,将片内药物压出C.片剂外面包控释膜,使药物恒速释出D.减慢扩散E.片剂膜内渗透压大于片剂膜外,将药物从细孔压出