表示弱酸或弱酸碱性药物在一定pH条件下分子型(离子型)与离子型(

搜题请搜索小程序“爱下问搜题”

问题单项选择题

表示弱酸或弱酸碱性药物在一定pH条件下分子型(离子型)与离子型(分子型)的比例的是( )。

A．Handerson-Hasselbalch方程
B．Stokes公式
C．Noyes-whitney方程
D．AIC判别法公式
E．Arrhenius公式

答案

参考答案：A

解析：[知识点] 药物的跨膜转运

填空题

用所给单词的适当形式填空。

1. These shoes are much too __ __ (big) for me.

2. It is very ____ (important) for us to learn maths well.

3. Now John works ___ _ (careful) than before. His parents are proud of him.

4. Things are much ____ (light) on the moon than onthe earth.

5. Our school is more _____ (beauty) than yours.

6. I think apples are ____ (delicious) of all the fruits.

7. China has ____ (large) population in the world.

8. Pearl River is one of the longest (river) in China.

9. The Yellow River is the ____ (two) ____ (long) river in our country.

10. Edison was a great ____ (invent). He ____ (invent) so many ____ (invent) since he was a child.

单项选择题

室内和小区分布系统维护的CQT测试指标中接收电平Rx应满足（）

A.90%的覆盖区域>-65dBm，全部覆盖区域>-75dBm

B.90%的覆盖区域>-75dBm，全部覆盖区域>-85dBm

C.90%的覆盖区域>-85dBm，全部覆盖区域>-95dBm

D.以上都不对