【多选题】关于药物的溶出速度描述正确的有()
B.
药物粒子越小,与体液的接触面积越大,溶解速度就会越大
C.
一般情况下无定型药物溶解速度比结晶型快,体内吸收也快
D.
难溶性药物制成盐,可使制剂的溶出速度增大,生物利用度提高
【多选题】What are the two reasons for the new approach to pricing? Click on two answers.
A.
The law has been changed.
B.
The companies want to provide better services.
C.
There are powerful computer programs.
D.
The companies want to attract more customers.
【多选题】According to the lecture, what are two effects of ethylene? Click on two answers.
A.
Fruit becomes softer as it ripens.
B.
Plants develop complex root systems.
C.
Trees shed their leaves in the fall.
D.
Flower buds open in the spring.
【多选题】药典规定检查阿司匹林中碳酸钠不溶物有( )。
【单选题】水杨酸甲酯与对羟基苯甲酸甲酯的生物活性不同是因为前者可以形成()。